def cursor_callback(win, x_pos, y_pos):
if(x_pos != cartesian.x_pos_prev and y_pos != cartesian.y_pos_prev):
glfw.set_cursor_pos(win, window_width/2, window_height/2);
glfw.set_input_mode(win, glfw.CURSOR , glfw.CURSOR_NORMAL)
horizontal_angle = matrixScene.horizontal_angle
vertical_angle = matrixScene.vertical_angle
mouse_speed = 4
horizontal_angle += mouse_speed * time.GetTimeDelta() * float(window_width / 2.0 - x_pos);
vertical_angle += mouse_speed * time.GetTimeDelta() * float(window_height / 2.0 - y_pos);
if (vertical_angle < -1.57):
vertical_angle = -1.57;
if (vertical_angle > 1.57):
vertical_angle = 1.57;
direction = np.array([np.cos(vertical_angle) * np.sin(horizontal_angle), np.sin(vertical_angle), np.cos(vertical_angle) * np.cos(horizontal_angle)])
right = np.array([-np.cos(horizontal_angle), 0, np.sin(horizontal_angle)]);
up = np.cross(right, direction )
matrixScene.direction = direction
matrixScene.right = right
matrixScene.up = up
matrixScene.horizontal_angle = horizontal_angle
matrixScene.vertical_angle = vertical_angle
matrixScene.calculate_view_matrix()
cartesian.x_pos_prev = x_pos
cartesian.y_pos_prev = y_pos
def camera_off(self):
'''
Switch off camera mode
'''
self.cam_flag = False
# Show cursor
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_NORMAL)
def __init__(self, width=640, height=480, fullscreen=False, aspect=None):
self.gl = gl
if not glfw.init():
raise Exception("GLFW init failed")
glfw.window_hint(glfw.CLIENT_API, glfw.OPENGL_ES_API)
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 2)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 0)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 0)
glfw.window_hint(glfw.DOUBLEBUFFER, True)
glfw.window_hint(glfw.DEPTH_BITS, 24)
glfw.window_hint(glfw.ALPHA_BITS, 0)
if platform.system() == "Linux":
try:
glfw.window_hint(GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API)
except:
pass
monitor = glfw.get_primary_monitor() if fullscreen else None
self.window = glfw.create_window(width, height, "BlitzLoop Karaoke",
monitor, None)
self.x = 0
self.y = 0
glfw.make_context_current(self.window)
BaseDisplay.__init__(self, width, height, fullscreen, aspect)
self._on_reshape(self.window, width, height)
if fullscreen:
self.saved_size = (0, 0, width, height)
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_HIDDEN)
glfw.set_key_callback(self.window, self._on_keyboard)
glfw.set_window_pos_callback(self.window, self._on_move)
glfw.set_window_size_callback(self.window, self._on_reshape)
self._initialize()
def camera_on(self):
'''
Switch on camera mode (only for in game mode)
'''
if self.mode == MODE_GAME:
self.cam_flag = True
# Hide cursor
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_HIDDEN)
# Move cursor to center
glfw.set_cursor_pos(self.window, self.gui.window_width / 2, self.gui.window_height / 2)
def __init__(self, **kwargs):
super().__init__(**kwargs)
if not glfw.init():
raise ValueError("Failed to initialize glfw")
# Configure the OpenGL context
glfw.window_hint(glfw.CONTEXT_CREATION_API, glfw.NATIVE_CONTEXT_API)
glfw.window_hint(glfw.CLIENT_API, glfw.OPENGL_API)
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, self.gl_version[0])
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, self.gl_version[1])
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
glfw.window_hint(glfw.RESIZABLE, self.resizable)
glfw.window_hint(glfw.DOUBLEBUFFER, True)
glfw.window_hint(glfw.DEPTH_BITS, 24)
glfw.window_hint(glfw.SAMPLES, self.samples)
monitor = None
if self.fullscreen:
# Use the primary monitors current resolution
monitor = glfw.get_primary_monitor()
mode = glfw.get_video_mode(monitor)
self.width, self.height = mode.size.width, mode.size.height
# Make sure video mode switching will not happen by
# matching the desktops current video mode
glfw.window_hint(glfw.RED_BITS, mode.bits.red)
glfw.window_hint(glfw.GREEN_BITS, mode.bits.green)
glfw.window_hint(glfw.BLUE_BITS, mode.bits.blue)
glfw.window_hint(glfw.REFRESH_RATE, mode.refresh_rate)
self.window = glfw.create_window(self.width, self.height, self.title, monitor, None)
if not self.window:
glfw.terminate()
raise ValueError("Failed to create window")
if not self.cursor:
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_DISABLED)
self.buffer_width, self.buffer_height = glfw.get_framebuffer_size(self.window)
glfw.make_context_current(self.window)
if self.vsync:
glfw.swap_interval(1)
glfw.set_key_callback(self.window, self.key_event_callback)
glfw.set_cursor_pos_callback(self.window, self.mouse_event_callback)
glfw.set_mouse_button_callback(self.window, self.mouse_button_callback)
glfw.set_window_size_callback(self.window, self.window_resize_callback)
self.ctx = moderngl.create_context(require=self.gl_version_code)
self.print_context_info()
self.set_default_viewport()
def setMouseVisibility(self, visibility):
"""Set mouse cursor visibility.
:param visibility: boolean
:return:
"""
if visibility:
glfw.set_input_mode(self.winHandle, glfw.CURSOR, glfw.CURSOR_NORMAL)
else:
glfw.set_input_mode(self.winHandle, glfw.CURSOR, glfw.CURSOR_HIDDEN)
def main(): global current_vao global vaos if not opengl_init(): return glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE) glfw.set_key_callback(window,key_event) # Set opengl clear color to something other than red (color used by the fragment shader) glClearColor(0,0,0.4,0) # Create vertex array object (VAO) 1: Full Triangle vao = glGenVertexArrays(1) glBindVertexArray(vao) init_object(vertex_data) glBindVertexArray(0) # Create vertex array object (VAO) 2: 1/2 Triangle vao2 = glGenVertexArrays(1) glBindVertexArray(vao2) init_object(vertex_data2) glBindVertexArray(0) program_id = common.LoadShaders( "SimpleVertexShader.vertexshader", "SimpleFragmentShader.fragmentshader" ) vertex_buffer = glGenBuffers(1) current_vao = 0 vaos = [vao,vao2] glewInit() while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window): glClear(GL_COLOR_BUFFER_BIT) glUseProgram(program_id) glBindVertexArray(vaos[current_vao]) # Draw the triangle ! glDrawArrays (GL_TRIANGLES, 0, 3)#3 indices starting at 0 -> 1 triangle glBindVertexArray(0) # Swap front and back buffers glfw.swap_buffers(window) # Poll for and process events glfw.poll_events() glfw.terminate()
def init(self):
super(Window, self).init()
# hide the cursor and lock it to this window. GLFW will then take care
# of all the details of cursor re-centering and offset calculation and
# providing the application with a virtual cursor position
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_DISABLED)
self.cube = game_core.Mesh(smooth_cube.VERTICES, smooth_cube.NORMALS, smooth_cube.INDICES, smooth_cube.DRAW_METHOD)
self.shaders = shaders.init()
# set a default matrix for models, otherwise its nothing apparently
self.light_direction = game_core.Vector(0.1, 1.0, 0.5)
self.light_direction.normalize()
model_mat = game_core.Matrix()
for name, shader in self.shaders.iteritems():
if 'modelToWorldMatrix' in shader.uniforms:
with shader:
GL.glUniformMatrix4fv(
shader.uniforms['modelToWorldMatrix'],
1,
GL.GL_FALSE,
model_mat.tolist()
)
if 'dirToLight' in shader.uniforms:
with shader:
GL.glUniform4fv(shader.uniforms['dirToLight'], 1, list(self.light_direction))
# if 'diffuseColor' in shader.uniforms:
# with shader:
# GL.glUniform4f(shader.uniforms['diffuseColor'], 0.5, 0.5, 0.5, 1.0)
self.camera = Camera(position=[0.0, 32.0, 128.0])
self.camera.init(*glfw.get_framebuffer_size(self.window))
self._set_perspective_matrix()
self.lod_tree = LodTestTree(size=64.0, max_depth=6)
self.lod_tree.init()
for depth in range(self.lod_tree.max_depth):
fine_distance = self.lod_distances[depth]
if depth == 0:
coarse_distance = fine_distance * 2.0
else:
coarse_distance = self.lod_distances[depth - 1]
with self.shaders['lod_test_{}'.format(depth)] as shader:
GL.glUniform1f(shader.uniforms['fineDistance'], fine_distance)
GL.glUniform1f(shader.uniforms['coarseDistance'], coarse_distance)
def init(self):
'''
initialization that must be done in rendering thread
'''
# creating the opengl context
self.handle = glfw.create_window(self.width, self.height, self.title, None, None);
if self.handle == None:
glfw.terminate()
msg = "GLFW cannot create the window: width={width}, height={height}, title={title}".format(
width=self.width, height=self.height, title=self.title)
raise RuntimeError(msg)
glfw.set_window_pos(self.handle, *self.DF_POSITION)
glfw.make_context_current(self.handle)
glfw.set_input_mode(self.handle, glfw.STICKY_KEYS, 1)
glfw.swap_interval(self.DF_INTERVAL)
glClearColor(*self.background_color)
def init(self):
super(Window, self).init()
# hide the cursor and lock it to this window. GLFW will then take care
# of all the details of cursor re-centering and offset calculation and
# providing the application with a virtual cursor position
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_DISABLED)
# create a simple cube with smooth normals
self.cube = game_core.Mesh(smooth_cube.VERTICES, smooth_cube.NORMALS, smooth_cube.INDICES, smooth_cube.DRAW_METHOD)
# create a camera
self.camera = game_core.AbstractCamera(position=[0.0, 0.0, 1.5])
self.camera.init(*glfw.get_framebuffer_size(self.window))
# compile a simple shader with MVP matrices
frag_shader = compileShader(frag_shader_source, GL.GL_FRAGMENT_SHADER)
vert_shader = compileShader(vert_shader_source, GL.GL_VERTEX_SHADER)
self.shader = game_core.ShaderProgram(vert_shader, frag_shader)
self.shader.store_uniform_location('modelToWorldMatrix')
self.shader.store_uniform_location('worldToCameraMatrix')
self.shader.store_uniform_location('cameraToClipMatrix')
# populate the shader's MVP matrices and pull the "camera" back 1.5 units
with self.shader:
GL.glUniformMatrix4fv(
self.shader.uniforms['cameraToClipMatrix'],
1,
GL.GL_FALSE,
self.camera.projection_matrix.tolist(),
)
inverse_camera_matrix = self.camera.matrix.inverse()
GL.glUniformMatrix4fv(
self.shader.uniforms['worldToCameraMatrix'],
1,
GL.GL_FALSE,
inverse_camera_matrix.tolist()
)
model_mat = game_core.Matrix()
GL.glUniformMatrix4fv(
self.shader.uniforms['modelToWorldMatrix'],
1,
GL.GL_FALSE,
model_mat.tolist()
)
def main():
# Initialize the library
if not glfw.init():
return
# Open Window and create its OpenGL context
window = glfw.create_window(1024, 768, "Tutorial 01", None, None)
#
glfw.window_hint(glfw.SAMPLES, 4)
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, GL_TRUE)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
if not window:
print("Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible. Try the 2.1 version of the tutorials.\n",file=sys.stderr)
glfw.terminate()
return
# Initialize GLEW
glfw.make_context_current(window)
glewExperimental = True
# GLEW is a framework for testing extension availability. Please see tutorial notes for
# more information including why can remove this code.
if glewInit() != GLEW_OK:
print("Failed to initialize GLEW\n",file=sys.stderr);
return
glfw.set_input_mode(window,glfw.STICKY_KEYS,True)
# Loop until the user closes the window
#while not glfw.window_should_close(window):
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
# Draw nothing sucker
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
glfw.terminate()
def init(self):
super(Game, self).init()
glfw.set_input_mode(self.window, glfw.CURSOR, False)
self.cube = game_core.Mesh(data.cube.VERTICES, data.cube.NORMALS, data.cube.INDICES, data.cube.DRAW_METHOD)
self.shaders = shaders.init()
self.register_blocks()
from .world import World
self.world = World(self, 128)
# from .player import Player
# x=0.5
# z=-3.5
# y = self.world.get_height(x,z)
# self.player = Player(self, [x, y, z])
from .spectator import Spectator
x = 0.0
z = 0.0
y = 64.0
self.player = Spectator([x, y, z])
def main():
if not glfw.init():
print('Failed to initialize GLFW.')
return
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, GL_TRUE)
glfw.window_hint(glfw.SAMPLES, config['sampling_level'])
if config['fullscreen']:
global width, height
mode = glfw.get_video_mode(glfw.get_primary_monitor())
width, height = mode.size.width, mode.size.height
window = glfw.create_window(mode.size.width, mode.size.height, config['app_name'], glfw.get_primary_monitor(), None)
else:
window = glfw.create_window(width, height, config['app_name'], None, None)
if not window:
print('Failed to create GLFW Window.')
glfw.terminate()
return
# подключаем наши функции для эвентов
#
glfw.make_context_current(window)
glfw.set_framebuffer_size_callback(window, ResizeCallback)
glfw.set_cursor_pos_callback(window, MouseLookCallback)
glfw.set_key_callback(window, KeyInputCallback)
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
# подключаем фрагментный и вершинный шейдеры
#
program = Program()
program.attachShader(Shader('resources/shaders/vert.vs', GL_VERTEX_SHADER))
program.attachShader(Shader('resources/shaders/frag.fs', GL_FRAGMENT_SHADER))
program.link()
# подключаем шейдер для создания карты теней
#
depthProgram = Program()
depthProgram.attachShader(Shader('resources/shaders/depth.vs', GL_VERTEX_SHADER))
depthProgram.attachShader(Shader('resources/shaders/depth.fs', GL_FRAGMENT_SHADER))
depthProgram.attachShader(Shader('resources/shaders/depth.gs', GL_GEOMETRY_SHADER))
depthProgram.link()
# создаем depthBuffer и frameBuffer
#
shadow = Shadow(config['near_plane_depth'], config['far_plane_depth'])
shadow.create(config['shadow_width'], config['shadow_height'])
program.use()
program.setInt("diffuseTexture", 0)
program.setInt("depthMap", 1)
# позиция источника света
#
lightPos = glm.vec3(0.0, 2.35, 0.0)
# загрузка всех объектов сцены
#
room = Model('resources/models/dinning_room.json')
# цикл обработки
#
while not glfw.window_should_close(window):
if config['debug_mode']:
print(glGetError())
# обработка нажатий клавиатуры для камеры
#
DoMovement()
# движение источника света
#
if light_movement:
lightPos.z = math.sin(glfw.get_time() * 0.5) * 3.0
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# обработка с помощью depthProgram - карта теней
#
shadow.castShadow(depthProgram, lightPos)
room.draw(depthProgram)
shadow.endCastShadow(program)
glViewport(0, 0, width, height)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# обработка с помощью program - на основе полученной карты теней
#
program.use()
view = cam.get_view_matrix()
viewPos = glm.vec3(cam.camera_pos[0],cam.camera_pos[1],cam.camera_pos[2])
perspective = glm.perspective(45, width / height, config['near_plane'], config['far_plane'])
program.setMat4('projection', perspective)
program.setMat4('view', view)
program.setVec3('lightPos', lightPos)
program.setVec3('viewPos', viewPos)
program.setInt('shadows', True)
program.setFloat("far_plane", config["far_plane_depth"])
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_CUBE_MAP, shadow.depthbuffer.texture)
room.draw(program)
glfw.swap_buffers(window)
glfw.poll_events()
glfw.terminate()
def main():
# Initialize GLFW and open a window
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
glfw.set_cursor_pos(window, 1024/2, 768/2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0,0.0,0.4,0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS)
# Cull triangles which normal is not towards the camera
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
# Create and compile our GLSL program from the shaders
program_id = common.LoadShaders( ".\\shaders\\Tutorial9\\StandardShading.vertexshader",
".\\shaders\\Tutorial9\\StandardShading.fragmentshader" )
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
view_matrix_id = glGetUniformLocation(program_id, "V")
model_matrix_id = glGetUniformLocation(program_id, "M")
# Load the texture
texture = textureutils.load_image(".\\content\\uvmap_suzanne.bmp")
# Get a handle for our "myTextureSampler" uniform
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Read our OBJ file
vertices,faces,uvs,normals,colors = objloader.load(".\\content\\suzanne.obj")
vertex_data,uv_data,normal_data = objloader.process_obj( vertices,faces,uvs,normals,colors)
# Our OBJ loader uses Python lists, convert to ctype arrays before sending to OpenGL
vertex_data = objloader.generate_2d_ctypes(vertex_data)
uv_data = objloader.generate_2d_ctypes(uv_data)
normal_data = objloader.generate_2d_ctypes(normal_data)
indexed_vertices, indexed_uvs, indexed_normals, indices = vboindexer.indexVBO(vertex_data,uv_data,normal_data)
indexed_vertices = c_type_fill(indexed_vertices,GLfloat)
indexed_uvs = c_type_fill(indexed_uvs,GLfloat)
indexed_normals = c_type_fill(indexed_normals,GLfloat)
indices = c_type_fill_1D(indices,GLushort)
# Load OBJ in to a VBO
vertex_buffer = glGenBuffers(1);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(indexed_vertices) * 4 * 3, indexed_vertices, GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER, len(indexed_uvs) * 4 * 2, indexed_uvs, GL_STATIC_DRAW)
normal_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer)
glBufferData(GL_ARRAY_BUFFER, len(indexed_normals) * 4 * 3, indexed_normals, GL_STATIC_DRAW)
# Generate a buffer for the indices as well
elementbuffer = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementbuffer)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, len(indices) * 2, indices , GL_STATIC_DRAW);
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
# Get a handle for our "LightPosition" uniform
glUseProgram(program_id);
light_id = glGetUniformLocation(program_id, "LightPosition_worldspace");
last_time = glfw.get_time()
frames = 0
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
current_time = glfw.get_time()
if current_time - last_time >= 1.0:
glfw.set_window_title(window,"Tutorial 9. FPS: %d"%(frames))
frames = 0
last_time = current_time
glUseProgram(program_id)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix();
ViewMatrix = controls.getViewMatrix();
ModelMatrix = mat4.identity();
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix;
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
glUniformMatrix4fv(model_matrix_id, 1, GL_FALSE, ModelMatrix.data);
glUniformMatrix4fv(view_matrix_id, 1, GL_FALSE, ViewMatrix.data);
lightPos = vec3(4,4,4)
glUniform3f(light_id, lightPos.x, lightPos.y, lightPos.z)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0);
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer);
glVertexAttribPointer(
1, # attribute 1. No particular reason for 1, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 3rd attribute buffer : normals
glEnableVertexAttribArray(2);
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer);
glVertexAttribPointer(
2, # attribute
3, # size
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangles, vertex data now contains individual vertices
# so use array length
# glDrawArrays(GL_TRIANGLES, 0, len(vertex_data))
# Index buffer
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementbuffer)
# Draw the triangles !
glDrawElements(
GL_TRIANGLES, # mode
len(indices), # count
GL_UNSIGNED_SHORT, # type
null # element array buffer offset
)
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
glDisableVertexAttribArray(2)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
frames += 1
# !Note braces around vertex_buffer and uv_buffer.
# glDeleteBuffers expects a list of buffers to delete
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteBuffers(1, [normal_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def __init__(self, width, height, title='', **kwargs):
"""
Creates a new window.
After the successful creation of a window the loop has
to be manually started with *start_event_loop*.
To draw, use *set_update_handler* with a *fn(window)* callback.
Parameters
----------
width: int
Width of window.
height: int
Height of window.
title: str
Title to show in title bar.
**kwargs
vsync: bool
Turn off or on vsync. default=False
resizable: bool
Indicate if the windows should be resizable. default=False
x_scale: float
Scaling in 'x' direction. default=1
y_scale: float
Scaling in 'y' direction. default=1
scale: float
Sets 'x_scale' and 'y_scale' to the same value.
hdpi: bool
Use HDPI if available. Default=False
color: tuple of float
Set the background color. RGB or RGBA supported
"""
if not glfw.init():
raise UserWarning('Unable to initialize glfw')
self.fps = 0
self._handler = None
self._title = title
self.width = width
self.height = height
self.context = {}
resizable = glfw.FALSE
if 'resizable' in kwargs:
resizable = glfw.TRUE if kwargs['resizable'] else glfw.FALSE
glfw.window_hint(glfw.RESIZABLE, resizable)
# switch to newer OpenGL version...
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, GL_TRUE) # mac only
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
hdpi = glfw.FALSE
if 'hdpi' in kwargs:
hdpi = glfw.TRUE if kwargs['hdpi'] else glfw.FALSE
glfw.window_hint(glfw.COCOA_RETINA_FRAMEBUFFER, hdpi)
vsync = False
if 'vsync' in kwargs:
vsync = bool(kwargs['vsync'])
self.x_scale = kwargs['x_scale'] if 'x_scale' in kwargs else 1
self.y_scale = kwargs['y_scale'] if 'y_scale' in kwargs else 1
if 'scale' in kwargs:
self.x_scale = self.y_scale = kwargs['scale']
self._window = glfw.create_window(width, height, title, None, None)
self._color = (0, 0, 0, 1)
if 'color' in kwargs:
self._color = kwargs['color']
if not self._window:
glfw.terminate()
raise UserWarning('Unable to create window')
glfw.set_input_mode(self._window, glfw.STICKY_KEYS, glfw.TRUE)
glfw.make_context_current(self._window)
glfw.swap_interval(1 if vsync else 0)
gl_version = glGetString(GL_VERSION).decode('utf-8')
print(f'OpenGL Version string: {gl_version}')
self._spaces = pxng.Spaces(self.width, self.height)
self._spaces.projection.m = glm.ortho(0, width, height, 0, -1, 1)
self._spaces.view.scale((self.x_scale, self.y_scale, 1))
self._text_renderer = pxng.TextRenderer(self.create_default_font())
self._elapsed_time = 0
self._current_tint = WHITE
self._key_poller = pxng.keys.KeyPoller()
self._mouse_poller = pxng.mouse.Mouse(self._window)
self._quad = Quad()
self._grid = Grid(self.width, self.height)
def main():
# initialize glfw
if not glfw.init():
return
aspect_ratio = w_width / w_height
window = glfw.create_window(w_width, w_height, "My OpenGL window", None, None)
if not window:
glfw.terminate()
return
glfw.make_context_current(window)
glfw.set_window_size_callback(window, window_resize)
glfw.set_key_callback(window, key_callback)
glfw.set_cursor_pos_callback(window, mouse_callback)
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
cube = ObjLoader()
cube.load_model("res/cube/cube.obj")
cube_tex = TextureLoader.load_texture("res/cube/cube_texture.jpg")
cube_texture_offset = len(cube.vertex_index) * 12
monkey = ObjLoader()
monkey.load_model("res/monkey/monkey.obj")
monkey_tex = TextureLoader.load_texture("res/monkey/monkey.jpg")
monkey_texture_offset = len(monkey.vertex_index) * 12
monster = ObjLoader()
monster.load_model("res/monster/monster.obj")
monster_tex = TextureLoader.load_texture("res/monster/monster.jpg")
monster_texture_offset = len(monster.vertex_index) * 12
generic_shader = ShaderLoader.compile_shader("shaders/generic_vertex_shader.vs", "shaders/generic_fragment_shader.fs")
cube_vao = glGenVertexArrays(1)
glBindVertexArray(cube_vao)
cube_vbo = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, cube_vbo)
glBufferData(GL_ARRAY_BUFFER, cube.model.itemsize * len(cube.model), cube.model, GL_STATIC_DRAW)
#position
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, cube.model.itemsize * 3, ctypes.c_void_p(0))
glEnableVertexAttribArray(0)
#textures
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, cube.model.itemsize * 2, ctypes.c_void_p(cube_texture_offset))
glEnableVertexAttribArray(1)
glBindVertexArray(0)
monkey_vao = glGenVertexArrays(1)
glBindVertexArray(monkey_vao)
monkey_vbo = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, monkey_vbo)
glBufferData(GL_ARRAY_BUFFER, monkey.model.itemsize * len(monkey.model), monkey.model, GL_STATIC_DRAW)
#position
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, monkey.model.itemsize * 3, ctypes.c_void_p(0))
glEnableVertexAttribArray(0)
#textures
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, monkey.model.itemsize * 2, ctypes.c_void_p(monkey_texture_offset))
glEnableVertexAttribArray(1)
glBindVertexArray(0)
monster_vao = glGenVertexArrays(1)
glBindVertexArray(monster_vao)
monster_vbo = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, monster_vbo)
glBufferData(GL_ARRAY_BUFFER, monster.model.itemsize * len(monster.model), monster.model, GL_STATIC_DRAW)
#position
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, monster.model.itemsize * 3, ctypes.c_void_p(0))
glEnableVertexAttribArray(0)
#textures
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, monster.model.itemsize * 2, ctypes.c_void_p(monster_texture_offset))
glEnableVertexAttribArray(1)
glBindVertexArray(0)
glClearColor(0.13, 0.2, 0.15, 1.0)
glEnable(GL_DEPTH_TEST)
projection = matrix44.create_perspective_projection_matrix(45.0, aspect_ratio, 0.1, 100.0)
cube_model = matrix44.create_from_translation(Vector3([-4.0, 0.0, -3.0]))
monkey_model = matrix44.create_from_translation(Vector3([0.0, 0.0, -3.0]))
monster_model = matrix44.create_from_translation(Vector3([0.0, 0.0, -10.0]))
glUseProgram(generic_shader)
model_loc = glGetUniformLocation(generic_shader, "model")
view_loc = glGetUniformLocation(generic_shader, "view")
proj_loc = glGetUniformLocation(generic_shader, "proj")
glUniformMatrix4fv(proj_loc, 1, GL_FALSE, projection)
while not glfw.window_should_close(window):
glfw.poll_events()
do_movement()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
view = cam.get_view_matrix()
glUniformMatrix4fv(view_loc, 1, GL_FALSE, view)
rot_y = Matrix44.from_y_rotation(glfw.get_time() * 0.5)
glBindVertexArray(cube_vao)
glBindTexture(GL_TEXTURE_2D, cube_tex)
glUniformMatrix4fv(model_loc, 1, GL_FALSE, rot_y * cube_model)
glDrawArrays(GL_TRIANGLES, 0, len(cube.vertex_index))
glBindVertexArray(0)
glBindVertexArray(monkey_vao)
glBindTexture(GL_TEXTURE_2D, monkey_tex)
glUniformMatrix4fv(model_loc, 1, GL_FALSE, monkey_model)
glDrawArrays(GL_TRIANGLES, 0, len(monkey.vertex_index))
glBindVertexArray(0)
glBindVertexArray(monster_vao)
glBindTexture(GL_TEXTURE_2D, monster_tex)
glUniformMatrix4fv(model_loc, 1, GL_FALSE, monster_model)
glDrawArrays(GL_TRIANGLES, 0, len(monster.vertex_index))
glBindVertexArray(0)
glfw.swap_buffers(window)
glfw.terminate()
def main():
init()
window = glfw.create_window(800, 600, "Chapter8", None, None)
if not window:
glfw.terminate()
return
glfw.make_context_current(window)
glfw.set_input_mode(window, glfw.STICKY_KEYS, GL_TRUE)
glEnable(GL_DEPTH_TEST)
glDepthFunc(GL_LESS)
glClearColor(0.3, 0.3, 0.3, 1)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray(vertex_array_id)
program_id = load_shaders('res/glsl/chapter8.vs', 'res/glsl/chapter8.fs')
tex = texture.load('res/texture/eye.bmp')
#tex = texture.load('res/texture/earth.bmp')
texture_id = glGetUniformLocation(program_id, 'TextureSampler')
res_x, res_y = glfw.get_window_size(window)
#projection = camera.ortho(-4,4,-3,3,0.1,5.0)
projection = camera.perspective(45.0, res_x / res_y, 0.1, 100.0)
view = camera.look_at(np.matrix([0, 0, 2], dtype=np.float32),
np.matrix([0, 0, 0], dtype=np.float32),
np.matrix([0, 1, 0], dtype=np.float32))
model = np.matrix(np.identity(4), dtype=np.float32)
projection_id = glGetUniformLocation(program_id, 'projection')
view_id = glGetUniformLocation(program_id, 'view')
model_id = glGetUniformLocation(program_id, 'model')
scene = load('res/model/sphere.obj')
mesh = scene.meshes[0]
vertex = mesh.vertices
uv = mesh.texturecoords
normal = mesh.normals
index = mesh.faces
vertex_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, vertex.nbytes, vertex, GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER, uv.nbytes, uv, GL_STATIC_DRAW)
normal_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer)
glBufferData(GL_ARRAY_BUFFER, normal.nbytes, normal, GL_STATIC_DRAW)
element_buffer = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, element_buffer)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, index.nbytes, index, GL_STATIC_DRAW)
while not glfw.window_should_close(window) and glfw.get_key(
window, glfw.KEY_ESCAPE) != glfw.PRESS:
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
glUniformMatrix4fv(projection_id, 1, GL_FALSE, projection)
glUniformMatrix4fv(view_id, 1, GL_FALSE, view)
glUniformMatrix4fv(model_id, 1, GL_FALSE, model)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, tex)
glUniform1i(texture_id, 0)
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, None)
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, None)
glEnableVertexAttribArray(2)
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer)
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 0, None)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, element_buffer)
glDrawElements(GL_TRIANGLES, index.nbytes, GL_UNSIGNED_INT, None)
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
glDisableVertexAttribArray(2)
glfw.swap_buffers(window)
glfw.poll_events()
glfw.terminate()
def main():
if not opengl_init():
return
glfw.set_input_mode(window, glfw.STICKY_KEYS, GL_TRUE)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0, 0, 0.4, 0)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray(vertex_array_id)
program_id = common.LoadShaders(
".\\shaders\\Tutorial2\\SimpleVertexShader.vertexshader",
".\\shaders\\Tutorial2\\SimpleFragmentShader.fragmentshader")
vertex_data = [-1.0, -1.0, 0.0, 1.0, -1.0, 0.0, 0.0, 1.0, 0.0]
vertex_buffer = glGenBuffers(1)
# GLFloat = c_types.c_float
array_type = GLfloat * len(vertex_data)
# array_type = c_types.c_float_array_9 so unpack values of vertex array
x = array_type(*vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(vertex_data) * 4, array_type(*vertex_data),
GL_STATIC_DRAW)
while glfw.get_key(
window, glfw.KEY_ESCAPE
) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(program_id)
# Bind vertex buffer data to the attribute 0 in our shader.
# Note: This can also be done in the VAO itself (see vao_test.py)
# Enable the vertex attribute at element[0], in this case that's the triangle's vertices
# this could also be color, normals, etc. It isn't necessary to disable these
#
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0,
3) #3 indices starting at 0 -> 1 triangle
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# note braces around vertex_buffer and vertex_array_id.
# These 2 functions expect arrays of values
glDeleteBuffers(1, [vertex_buffer])
glDeleteProgram(program_id)
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def main():
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
# Enable key event callback
glfw.set_key_callback(window,key_event)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0,0,0.4,0)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
program_id = common.LoadShaders( "Shaders/Tutorial4/TransformVertexShader.vertexshader",
"Shaders/Tutorial4/ColorFragmentShader.fragmentshader" )
# Get a handle for our "MVP" uniform
matrix_id= glGetUniformLocation(program_id, "MVP");
# Projection matrix : 45 Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units
projection = mat4.perspective(45.0, 4.0 / 3.0, 0.1, 100.0)
# Camera matrix
view = mat4.lookat(vec3(4,3,-3), # Camera is at (4,3,3), in World Space
vec3(0,0,0), # and looks at the origin
vec3(0,1,0))
# Model matrix : an identity matrix (model will be at the origin)
model = mat4.identity()
# Our ModelViewProjection : multiplication of our 3 matrices
mvp = projection * view * model
# Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle.
# A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices
vertex_data = [
-1.0,-1.0,-1.0,
-1.0,-1.0, 1.0,
-1.0, 1.0, 1.0,
1.0, 1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0,-1.0,
1.0,-1.0, 1.0,
-1.0,-1.0,-1.0,
1.0,-1.0,-1.0,
1.0, 1.0,-1.0,
1.0,-1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0, 1.0,
-1.0, 1.0,-1.0,
1.0,-1.0, 1.0,
-1.0,-1.0, 1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0, 1.0,
-1.0,-1.0, 1.0,
1.0,-1.0, 1.0,
1.0, 1.0, 1.0,
1.0,-1.0,-1.0,
1.0, 1.0,-1.0,
1.0,-1.0,-1.0,
1.0, 1.0, 1.0,
1.0,-1.0, 1.0,
1.0, 1.0, 1.0,
1.0, 1.0,-1.0,
-1.0, 1.0,-1.0,
1.0, 1.0, 1.0,
-1.0, 1.0,-1.0,
-1.0, 1.0, 1.0,
1.0, 1.0, 1.0,
-1.0, 1.0, 1.0,
1.0,-1.0, 1.0]
# One color for each vertex. They were generated randomly.
color_data = [
0.583, 0.771, 0.014,
0.609, 0.115, 0.436,
0.327, 0.483, 0.844,
0.822, 0.569, 0.201,
0.435, 0.602, 0.223,
0.310, 0.747, 0.185,
0.597, 0.770, 0.761,
0.559, 0.436, 0.730,
0.359, 0.583, 0.152,
0.483, 0.596, 0.789,
0.559, 0.861, 0.639,
0.195, 0.548, 0.859,
0.014, 0.184, 0.576,
0.771, 0.328, 0.970,
0.406, 0.615, 0.116,
0.676, 0.977, 0.133,
0.971, 0.572, 0.833,
0.140, 0.616, 0.489,
0.997, 0.513, 0.064,
0.945, 0.719, 0.592,
0.543, 0.021, 0.978,
0.279, 0.317, 0.505,
0.167, 0.620, 0.077,
0.347, 0.857, 0.137,
0.055, 0.953, 0.042,
0.714, 0.505, 0.345,
0.783, 0.290, 0.734,
0.722, 0.645, 0.174,
0.302, 0.455, 0.848,
0.225, 0.587, 0.040,
0.517, 0.713, 0.338,
0.053, 0.959, 0.120,
0.393, 0.621, 0.362,
0.673, 0.211, 0.457,
0.820, 0.883, 0.371,
0.982, 0.099, 0.879]
vertex_buffer = glGenBuffers(1);
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4, array_type(*vertex_data), GL_STATIC_DRAW)
color_buffer = glGenBuffers(1);
array_type = GLfloat * len(color_data)
glBindBuffer(GL_ARRAY_BUFFER, color_buffer)
glBufferData(GL_ARRAY_BUFFER, len(color_data) * 4, array_type(*color_data), GL_STATIC_DRAW)
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS)
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
# Bind vertex buffer data to the attribute 0 in our shader.
# Note: This can also be done in the VAO itself (see vao_test.py)
# Enable the vertex attribute at element[0], in this case that's the triangle's vertices
# this could also be color, normals, etc. It isn't necessary to disable these
#
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, color_buffer);
glVertexAttribPointer(
1, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0, 12*3) #3 indices starting at 0 -> 1 triangle
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# note braces around vertex_buffer and vertex_array_id.
# These 2 functions expect arrays of values
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [color_buffer])
glDeleteProgram(program_id)
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def setup_window(self, parent):
glfw.set_input_mode(parent.window, glfw.CURSOR, glfw.CURSOR_DISABLED)
glfw.set_cursor_pos_callback(parent.window, self.mouse_callback)
def main():
if not opengl_init():
return
load_gedung("itb_coordinate.txt")
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
glfw.set_cursor_pos(window, 1024/2, 768/2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0,0.0,0.0,0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS);
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
program_id = common.LoadShaders( ".\\shaders\\Tutorial6\\TransformVertexShader.vertexshader",
".\\shaders\\Tutorial6\\TextureFragmentShader.fragmentshader" )
vertex_data = createAllBuilding()
# Two UV coordinatesfor each vertex. They were created withe Blender.
uv_data = createUVData()
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP");
texture = []
texture_id = []
texture_id.append(glGetUniformLocation(program_id, "myTextureSampler"))
texture_id.append(glGetUniformLocation(program_id, "myTextureSampler2"))
tex1 = TextureLoader.load_texture("res/crate.jpg")
tex2 = TextureLoader.load_texture("res/metal.jpg")
# Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle.
# A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices
vertex_buffer = glGenBuffers(1);
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4, array_type(*vertex_data), GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1);
array_type = GLfloat * len(uv_data)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER, len(uv_data) * 4, array_type(*uv_data), GL_STATIC_DRAW)
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
glUseProgram(program_id)
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer);
glVertexAttribPointer(
1, # attribute 1. No particular reason for 1, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
glActiveTexture(GL_TEXTURE0);
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
# Clear old render result
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix();
ViewMatrix = controls.getViewMatrix();
ModelMatrix = mat4.identity();
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix;
##################################################################### SET TEXTURE 1
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
# draws Aula barat, timur ; CC barat, timur
glBindTexture(GL_TEXTURE_2D, tex1);
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
def main():
global delta_time, last_frame
glfw.init()
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
window = glfw.create_window(SRC_WIDTH, SRC_HEIGHT, "learnOpenGL", None, None)
if not window:
glfw.terminate()
raise ValueError("Failed to create window")
glfw.make_context_current(window)
glfw.set_framebuffer_size_callback(window, framebuffer_size_callback)
glfw.set_cursor_pos_callback(window, mouse_callback)
glfw.set_scroll_callback(window, scroll_callback)
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
gl.glEnable(gl.GL_DEPTH_TEST)
lamp_shader = Shader(CURDIR / "shaders/1.lamp.vs", CURDIR / "shaders/1.lamp.fs")
lighting_shader = Shader(CURDIR / "shaders/5.4.light_casters.vs", CURDIR / "shaders/5.4.light_casters.fs")
vertices = [
# positions normals texture coords
-0.5, -0.5, -0.5, 0.0, 0.0, -1.0, 0.0, 0.0,
0.5, -0.5, -0.5, 0.0, 0.0, -1.0, 1.0, 0.0,
0.5, 0.5, -0.5, 0.0, 0.0, -1.0, 1.0, 1.0,
0.5, 0.5, -0.5, 0.0, 0.0, -1.0, 1.0, 1.0,
-0.5, 0.5, -0.5, 0.0, 0.0, -1.0, 0.0, 1.0,
-0.5, -0.5, -0.5, 0.0, 0.0, -1.0, 0.0, 0.0,
-0.5, -0.5, 0.5, 0.0, 0.0, 1.0, 0.0, 0.0,
0.5, -0.5, 0.5, 0.0, 0.0, 1.0, 1.0, 0.0,
0.5, 0.5, 0.5, 0.0, 0.0, 1.0, 1.0, 1.0,
0.5, 0.5, 0.5, 0.0, 0.0, 1.0, 1.0, 1.0,
-0.5, 0.5, 0.5, 0.0, 0.0, 1.0, 0.0, 1.0,
-0.5, -0.5, 0.5, 0.0, 0.0, 1.0, 0.0, 0.0,
-0.5, 0.5, 0.5, -1.0, 0.0, 0.0, 1.0, 0.0,
-0.5, 0.5, -0.5, -1.0, 0.0, 0.0, 1.0, 1.0,
-0.5, -0.5, -0.5, -1.0, 0.0, 0.0, 0.0, 1.0,
-0.5, -0.5, -0.5, -1.0, 0.0, 0.0, 0.0, 1.0,
-0.5, -0.5, 0.5, -1.0, 0.0, 0.0, 0.0, 0.0,
-0.5, 0.5, 0.5, -1.0, 0.0, 0.0, 1.0, 0.0,
0.5, 0.5, 0.5, 1.0, 0.0, 0.0, 1.0, 0.0,
0.5, 0.5, -0.5, 1.0, 0.0, 0.0, 1.0, 1.0,
0.5, -0.5, -0.5, 1.0, 0.0, 0.0, 0.0, 1.0,
0.5, -0.5, -0.5, 1.0, 0.0, 0.0, 0.0, 1.0,
0.5, -0.5, 0.5, 1.0, 0.0, 0.0, 0.0, 0.0,
0.5, 0.5, 0.5, 1.0, 0.0, 0.0, 1.0, 0.0,
-0.5, -0.5, -0.5, 0.0, -1.0, 0.0, 0.0, 1.0,
0.5, -0.5, -0.5, 0.0, -1.0, 0.0, 1.0, 1.0,
0.5, -0.5, 0.5, 0.0, -1.0, 0.0, 1.0, 0.0,
0.5, -0.5, 0.5, 0.0, -1.0, 0.0, 1.0, 0.0,
-0.5, -0.5, 0.5, 0.0, -1.0, 0.0, 0.0, 0.0,
-0.5, -0.5, -0.5, 0.0, -1.0, 0.0, 0.0, 1.0,
-0.5, 0.5, -0.5, 0.0, 1.0, 0.0, 0.0, 1.0,
0.5, 0.5, -0.5, 0.0, 1.0, 0.0, 1.0, 1.0,
0.5, 0.5, 0.5, 0.0, 1.0, 0.0, 1.0, 0.0,
0.5, 0.5, 0.5, 0.0, 1.0, 0.0, 1.0, 0.0,
-0.5, 0.5, 0.5, 0.0, 1.0, 0.0, 0.0, 0.0,
-0.5, 0.5, -0.5, 0.0, 1.0, 0.0, 0.0, 1.0
]
vertices = (c_float * len(vertices))(*vertices)
cube_positions = [
( 0.0, 0.0, 0.0),
( 2.0, 5.0, -15.0),
(-1.5, -2.2, -2.5),
(-3.8, -2.0, -12.3),
( 2.4, -0.4, -3.5),
(-1.7, 3.0, -7.5),
( 1.3, -2.0, -2.5),
( 1.5, 2.0, -2.5),
( 1.5, 0.2, -1.5),
(-1.3, 1.0, -1.5)
]
cube_vao = gl.glGenVertexArrays(1)
vbo = gl.glGenBuffers(1)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glBufferData(gl.GL_ARRAY_BUFFER, sizeof(vertices), vertices, gl.GL_STATIC_DRAW)
gl.glBindVertexArray(cube_vao)
# -- position attribute
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE, 8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- normal attribute
gl.glVertexAttribPointer(1, 3, gl.GL_FLOAT, gl.GL_FALSE, 8 * sizeof(c_float), c_void_p(3 * sizeof(c_float)))
gl.glEnableVertexAttribArray(1)
# -- texture coordinate
gl.glVertexAttribPointer(2, 2, gl.GL_FLOAT, gl.GL_FALSE, 8 * sizeof(c_float), c_void_p(6 * sizeof(c_float)))
gl.glEnableVertexAttribArray(2)
# -- second configure light vao (vbo is the same)
light_vao = gl.glGenVertexArrays(1)
gl.glBindVertexArray(light_vao)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE, 8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- load texture
diffuse_map = load_texture("container2.png")
specular_map = load_texture("container2_specular.png")
# -- shader configuration
lighting_shader.use()
lighting_shader.set_int("material.diffuse", 0)
lighting_shader.set_int("material.specular", 1)
while not glfw.window_should_close(window):
# -- time logic
current_frame = glfw.get_time()
delta_time = current_frame - last_frame
last_frame = current_frame
# -- input
process_input(window)
# -- render
gl.glClearColor(0.1, 0.1, 0.1, 1.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
lighting_shader.use()
lighting_shader.set_vec3("light.position", camera.position)
lighting_shader.set_vec3("light.direction", camera.front)
lighting_shader.set_float("light.cutOff", math.cos(math.radians(12.5)))
lighting_shader.set_float("light.outerCutOff", math.cos(math.radians(17.5)))
lighting_shader.set_vec3("viewPos", camera.position)
# -- light properties
lighting_shader.set_vec3("light.ambient", Vector3([0.1, 0.1, 0.1]))
# we configure the diffuse intensity slightly higher; the right lighting conditions differ with each lighting method and environment.
# each environment and lighting type requires some tweaking to get the best out of your environment.
lighting_shader.set_vec3("light.diffuse", Vector3([0.8, 0.8, 0.8]))
lighting_shader.set_vec3("light.specular", Vector3([1.0, 1.0, 1.0]))
lighting_shader.set_float("light.constant", 1.0)
lighting_shader.set_float("light.linear", 0.09)
lighting_shader.set_float("light.quadratic", 0.032)
# -- material properties
lighting_shader.set_float("material.shininess", 32.0)
# -- view.projection transformations
projection = Matrix44.perspective_projection(camera.zoom, SRC_WIDTH/SRC_HEIGHT, 0.1, 100.0)
view = camera.get_view_matrix()
lighting_shader.set_mat4("projection", projection)
lighting_shader.set_mat4("view", view)
# -- world transformation
model = Matrix44.identity()
lighting_shader.set_mat4("model", model)
# -- bind diffuse map
gl.glActiveTexture(gl.GL_TEXTURE0)
gl.glBindTexture(gl.GL_TEXTURE_2D, diffuse_map)
# -- bind specular map
gl.glActiveTexture(gl.GL_TEXTURE1)
gl.glBindTexture(gl.GL_TEXTURE_2D, specular_map)
# -- render continers
gl.glBindVertexArray(cube_vao)
for idx, position in enumerate(cube_positions):
angle = 20.0 * idx
rotation = matrix44.create_from_axis_rotation([1.0, 0.3, 0.5], math.radians(angle))
translation = Matrix44.from_translation(position)
model = translation * rotation
lighting_shader.set_mat4('model', model)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
# # -- draw lamp object
# lamp_shader.use()
# lamp_shader.set_mat4("projection", projection)
# lamp_shader.set_mat4("view", view)
# model = Matrix44.identity()
# model *= Matrix44.from_translation(light_pos)
# model *= Matrix44.from_scale(Vector3([.2, .2, .2]))
# lamp_shader.set_mat4("model", model)
# gl.glBindVertexArray(light_vao)
# gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
glfw.swap_buffers(window)
glfw.poll_events()
gl.glDeleteVertexArrays(1, id(cube_vao))
gl.glDeleteVertexArrays(1, id(light_vao))
gl.glDeleteBuffers(1, id(vbo))
glfw.terminate()
def main():
# Initialize GLFW and open a window
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window, glfw.STICKY_KEYS, GL_TRUE)
glfw.set_cursor_pos(window, 1024 / 2, 768 / 2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0, 0.0, 0.4, 0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS)
# Cull triangles which normal is not towards the camera
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray(vertex_array_id)
# Create and compile our GLSL program from the shaders
program_id = common.LoadShaders(
".\\shaders\\Tutorial7\\TransformVertexShader.vertexshader",
".\\shaders\\Tutorial7\\TextureFragmentShader.fragmentshader")
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
# Load the texture
texture = load_image(".\\content\\uvmap.bmp")
# Get a handle for our "myTextureSampler" uniform
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Read our OBJ file
vertices, faces, uvs, normals, colors = objloader.load(
".\\content\\cube.obj")
vertex_data, uv_data, normal_data = objloader.process_obj(
vertices, faces, uvs, normals, colors)
# Our OBJ loader uses Python lists, convert to ctype arrays before sending to OpenGL
vertex_data = objloader.generate_2d_ctypes(vertex_data)
uv_data = objloader.generate_2d_ctypes(uv_data)
# Load OBJ in to a VBO
vertex_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(vertex_data) * 4 * 3, vertex_data, GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1)
array_type = GLfloat * len(uv_data)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(uv_data) * 4 * 2, uv_data, GL_STATIC_DRAW)
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
while glfw.get_key(
window, glfw.KEY_ESCAPE
) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix()
ViewMatrix = controls.getViewMatrix()
ModelMatrix = mat4.identity()
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE, mvp.data)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, texture)
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0)
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glVertexAttribPointer(
1, # attribute 1. No particular reason for 1, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangles, vertex data now contains individual vertices
# so use array length
glDrawArrays(GL_TRIANGLES, 0, len(vertex_data))
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# !Note braces around vertex_buffer and uv_buffer.
# glDeleteBuffers expects a list of buffers to delete
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
camera = glutils.Camera([0.0, 0.0, 5.0],[0.0, 0.0, 0.0],[0.0, 1.0, 0.0]) cameraPos =np.array([0,0,1], np.float32) cameraFront=np.array([1,0.0], np.float32) cameraUp =np.array([0,0,1], np.float32) # Initialize the library if not glfw.init(): sys.exit() # Create a windowed mode window and its OpenGL context window = glfw.create_window(screen_size[0],screen_size[1], "draw Cube ", None, None) if not window: glfw.terminate() sys.exit() # Make the window's context current glfw.make_context_current(window) #glfw.set_input_mode(window, glfw.cursor, glfw.GLFW_CURSOR_HIDDEN) glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_HIDDEN) # Install a key handler glfw.set_key_callback(window, on_key) glfw.set_mouse_button_callback(window,on_mouse_button) # set window mouse callbacks glfw.set_cursor_pos_callback(window, mouse_callback) build() glEnable(GL_MULTISAMPLE) glEnable(GL_DEPTH_TEST) glShadeModel(GL_SMOOTH) # most obj files expect to be smooth-shaded while not glfw.window_should_close(window): currentFrame = glfw.get_time() deltaTime = currentFrame - lastFrame lastFrame = currentFrame glfw.poll_events() do_movement()
def main():
global shader
vertex_src = """
# version 330
layout(location = 0) in vec3 a_position;
layout(location = 1) in vec2 a_texture;
layout(location = 2) in vec3 a_normal;
uniform mat4 model;
uniform mat4 projection;
uniform mat4 view;
out vec2 v_texture;
void main()
{
gl_Position = projection * view * model * vec4(a_position, 1.0);
v_texture = a_texture;
}
"""
fragment_src = """
# version 330
in vec2 v_texture;
out vec4 out_color;
uniform sampler2D s_texture;
void main()
{
out_color = texture(s_texture, v_texture);
}
"""
# initializing glfw library
if not glfw.init():
raise Exception("glfw can not be initialized!")
if "Windows" in pltf.platform():
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 4)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 6)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
else:
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 4)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 1)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
# creating the window
window = glfw.create_window(WIDTH, HEIGHT, "My OpenGL window", None, None)
# check if window was created
if not window:
glfw.terminate()
raise Exception("glfw window can not be created!")
# set window's position
glfw.set_window_pos(window, 100, 100)
# set the callback function for window resize
glfw.set_window_size_callback(window, window_resize_clb)
# set the mouse position callback
glfw.set_cursor_pos_callback(window, mouse_look_clb)
# set the keyboard input callback
glfw.set_key_callback(window, key_input_clb)
# capture the mouse cursor
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
# make the context current
glfw.make_context_current(window)
# load here the 3d meshes
cube_indices, cube_buffer = ObjLoader.load_model("meshes/cube.obj")
monkey_indices, monkey_buffer = ObjLoader.load_model("meshes/monkey.obj")
floor_indices, floor_buffer = ObjLoader.load_model("meshes/floor.obj")
# VAO and VBO
VAO = glGenVertexArrays(3)
VBO = glGenBuffers(3)
# cube VAO
glBindVertexArray(VAO[0])
shader = compileProgram(compileShader(vertex_src, GL_VERTEX_SHADER), compileShader(fragment_src, GL_FRAGMENT_SHADER))
# cube Vertex Buffer Object
glBindBuffer(GL_ARRAY_BUFFER, VBO[0])
glBufferData(GL_ARRAY_BUFFER, cube_buffer.nbytes, cube_buffer, GL_STATIC_DRAW)
# cube vertices
glEnableVertexAttribArray(0)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, cube_buffer.itemsize * 8, ctypes.c_void_p(0))
# cube textures
glEnableVertexAttribArray(1)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, cube_buffer.itemsize * 8, ctypes.c_void_p(12))
# cube normals
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, cube_buffer.itemsize * 8, ctypes.c_void_p(20))
glEnableVertexAttribArray(2)
# monkey VAO
glBindVertexArray(VAO[1])
# monkey Vertex Buffer Object
glBindBuffer(GL_ARRAY_BUFFER, VBO[1])
glBufferData(GL_ARRAY_BUFFER, monkey_buffer.nbytes, monkey_buffer, GL_STATIC_DRAW)
# monkey vertices
glEnableVertexAttribArray(0)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, monkey_buffer.itemsize * 8, ctypes.c_void_p(0))
# monkey textures
glEnableVertexAttribArray(1)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, monkey_buffer.itemsize * 8, ctypes.c_void_p(12))
# monkey normals
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, monkey_buffer.itemsize * 8, ctypes.c_void_p(20))
glEnableVertexAttribArray(2)
# floor VAO
glBindVertexArray(VAO[2])
# floor Vertex Buffer Object
glBindBuffer(GL_ARRAY_BUFFER, VBO[2])
glBufferData(GL_ARRAY_BUFFER, floor_buffer.nbytes, floor_buffer, GL_STATIC_DRAW)
# floor vertices
glEnableVertexAttribArray(0)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, floor_buffer.itemsize * 8, ctypes.c_void_p(0))
# floor textures
glEnableVertexAttribArray(1)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, floor_buffer.itemsize * 8, ctypes.c_void_p(12))
# floor normals
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, floor_buffer.itemsize * 8, ctypes.c_void_p(20))
glEnableVertexAttribArray(2)
textures = glGenTextures(3)
load_texture("meshes/cube.jpg", textures[0])
load_texture("meshes/monkey.jpg", textures[1])
load_texture("meshes/floor.jpg", textures[2])
glUseProgram(shader)
glClearColor(0, 0.1, 0.1, 1)
glEnable(GL_DEPTH_TEST)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
projection = pyrr.matrix44.create_perspective_projection_matrix(45, WIDTH / HEIGHT, 0.1, 100)
cube_pos = pyrr.matrix44.create_from_translation(pyrr.Vector3([6, 4, 0]))
monkey_pos = pyrr.matrix44.create_from_translation(pyrr.Vector3([-4, 4, -4]))
floor_pos = pyrr.matrix44.create_from_translation(pyrr.Vector3([0, 0, 0]))
model_loc = glGetUniformLocation(shader, "model")
proj_loc = glGetUniformLocation(shader, "projection")
view_loc = glGetUniformLocation(shader, "view")
glUniformMatrix4fv(proj_loc, 1, GL_FALSE, projection)
glUseProgram(0)
# the main application loop
while not glfw.window_should_close(window):
glfw.poll_events()
do_movement()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
view = cam.get_view_matrix()
glUseProgram(shader)
glUniformMatrix4fv(view_loc, 1, GL_FALSE, view)
rot_y = pyrr.Matrix44.from_y_rotation(0.8 * glfw.get_time())
model = pyrr.matrix44.multiply(rot_y, cube_pos)
# draw the cube
glBindVertexArray(VAO[0])
glBindTexture(GL_TEXTURE_2D, textures[0])
glUniformMatrix4fv(model_loc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, len(monkey_indices))
# draw the monkey
glBindVertexArray(VAO[1])
glBindTexture(GL_TEXTURE_2D, textures[1])
glUniformMatrix4fv(model_loc, 1, GL_FALSE, monkey_pos)
glDrawArrays(GL_TRIANGLES, 0, len(monkey_indices))
# draw the floor
glBindVertexArray(VAO[2])
glBindTexture(GL_TEXTURE_2D, textures[2])
glUniformMatrix4fv(model_loc, 1, GL_FALSE, floor_pos)
glDrawArrays(GL_TRIANGLES, 0, len(floor_indices))
glUseProgram(0)
glfw.swap_buffers(window)
# terminate glfw, free up allocated resources
glfw.terminate()
def main():
init()
window = glfw.create_window(800, 600, "Chapter4", None, None)
if not window:
glfw.terminate()
return
glfw.make_context_current(window)
glfw.set_input_mode(window, glfw.STICKY_KEYS, GL_TRUE)
glClearColor(0.3, 0.3, 0.3, 1)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray(vertex_array_id)
program_id = load_shaders('res/glsl/chapter4.vs', 'res/glsl/chapter4.fs')
res_x, res_y = glfw.get_window_size(window)
projection = camera.perspective(45.0, res_x/res_y, 0.1, 100.0)
view = camera.look_at(
np.matrix([3,3,4], dtype=np.float32),
np.matrix([0,0,0], dtype=np.float32),
np.matrix([0,1,0], dtype=np.float32))
model = np.matrix(np.identity(4), dtype=np.float32)
projection_id = glGetUniformLocation(program_id, 'projection')
view_id = glGetUniformLocation(program_id, 'view')
model_id = glGetUniformLocation(program_id, 'model')
vertex = np.array([
0, 1, 0,
-1, -1, 0,
1, -1, 0], dtype=np.float32)
color = np.array([
1, 0, 0,
0, 1, 0,
0, 0, 1], dtype=np.float32)
vertex_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, vertex.nbytes, vertex, GL_STATIC_DRAW)
color_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, color_buffer)
glBufferData(GL_ARRAY_BUFFER, color.nbytes, color, GL_STATIC_DRAW)
while not glfw.window_should_close(window) and glfw.get_key(window, glfw.KEY_ESCAPE) != glfw.PRESS:
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
glUniformMatrix4fv(projection_id, 1, GL_FALSE, projection)
glUniformMatrix4fv(view_id, 1, GL_FALSE, view)
glUniformMatrix4fv(model_id, 1, GL_FALSE, model)
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, None)
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, color_buffer)
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, None)
glDrawArrays(GL_TRIANGLES, 0, int(len(vertex)/3))
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
glfw.swap_buffers(window)
glfw.poll_events()
glfw.terminate()
def main():
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
glfw.set_cursor_pos(window, 1024/2, 768/2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0,0.0,0.4,0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS);
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
program_id = common.LoadShaders( ".\\shaders\\Tutorial6\\TransformVertexShader.vertexshader",
".\\shaders\\Tutorial6\\TextureFragmentShader.fragmentshader" )
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP");
texture = load_image(".\\content\\uvtemplate.bmp")
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle.
# A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices
vertex_data = [
-1.0,-1.0,-1.0,
-1.0,-1.0, 1.0,
-1.0, 1.0, 1.0,
1.0, 1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0,-1.0,
1.0,-1.0, 1.0,
-1.0,-1.0,-1.0,
1.0,-1.0,-1.0,
1.0, 1.0,-1.0,
1.0,-1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0, 1.0,
-1.0, 1.0,-1.0,
1.0,-1.0, 1.0,
-1.0,-1.0, 1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0, 1.0,
-1.0,-1.0, 1.0,
1.0,-1.0, 1.0,
1.0, 1.0, 1.0,
1.0,-1.0,-1.0,
1.0, 1.0,-1.0,
1.0,-1.0,-1.0,
1.0, 1.0, 1.0,
1.0,-1.0, 1.0,
1.0, 1.0, 1.0,
1.0, 1.0,-1.0,
-1.0, 1.0,-1.0,
1.0, 1.0, 1.0,
-1.0, 1.0,-1.0,
-1.0, 1.0, 1.0,
1.0, 1.0, 1.0,
-1.0, 1.0, 1.0,
1.0,-1.0, 1.0]
# Two UV coordinatesfor each vertex. They were created withe Blender.
uv_data = [
0.000059, 1.0-0.000004,
0.000103, 1.0-0.336048,
0.335973, 1.0-0.335903,
1.000023, 1.0-0.000013,
0.667979, 1.0-0.335851,
0.999958, 1.0-0.336064,
0.667979, 1.0-0.335851,
0.336024, 1.0-0.671877,
0.667969, 1.0-0.671889,
1.000023, 1.0-0.000013,
0.668104, 1.0-0.000013,
0.667979, 1.0-0.335851,
0.000059, 1.0-0.000004,
0.335973, 1.0-0.335903,
0.336098, 1.0-0.000071,
0.667979, 1.0-0.335851,
0.335973, 1.0-0.335903,
0.336024, 1.0-0.671877,
1.000004, 1.0-0.671847,
0.999958, 1.0-0.336064,
0.667979, 1.0-0.335851,
0.668104, 1.0-0.000013,
0.335973, 1.0-0.335903,
0.667979, 1.0-0.335851,
0.335973, 1.0-0.335903,
0.668104, 1.0-0.000013,
0.336098, 1.0-0.000071,
0.000103, 1.0-0.336048,
0.000004, 1.0-0.671870,
0.336024, 1.0-0.671877,
0.000103, 1.0-0.336048,
0.336024, 1.0-0.671877,
0.335973, 1.0-0.335903,
0.667969, 1.0-0.671889,
1.000004, 1.0-0.671847,
0.667979, 1.0-0.335851]
vertex_buffer = glGenBuffers(1);
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4, array_type(*vertex_data), GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1);
array_type = GLfloat * len(uv_data)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER, len(uv_data) * 4, array_type(*uv_data), GL_STATIC_DRAW)
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix();
ViewMatrix = controls.getViewMatrix();
ModelMatrix = mat4.identity();
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix;
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0);
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer);
glVertexAttribPointer(
1, # attribute 1. No particular reason for 1, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0, 12*3) #3 indices starting at 0 -> 1 triangle
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# !Note braces around vertex_buffer and uv_buffer.
# glDeleteBuffers expects a list of buffers to delete
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def main():
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window, glfw.STICKY_KEYS, GL_TRUE)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0, 0.0, 0.4, 0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray(vertex_array_id)
program_id = common.LoadShaders(
".\\shaders\\Tutorial5\\TransformVertexShader.vertexshader",
".\\shaders\\Tutorial5\\TextureFragmentShader.fragmentshader")
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
# Projection matrix : 45 Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units
projection = mat4.perspective(45.0, 4.0 / 3.0, 0.1, 100.0)
# Camera matrix
view = mat4.lookat(
vec3(4, 3, -3), # Camera is at (4,3,3), in World Space
vec3(0, 0, 0), # and looks at the origin
vec3(0, 1, 0))
# Model matrix : an identity matrix (model will be at the origin)
model = mat4.identity()
# Our ModelViewProjection : multiplication of our 3 matrices
mvp = projection * view * model
texture = load_image(".\\content\\uvtemplate.bmp")
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle.
# A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices
koordinat = 0.01
koordinat2 = 0.5
koordinat3 = 1.7
koordinat4 = 1.0
koordinat5 = 1.7
koordinat6 = 0.1
vertex_data = [
-koordinat2, -koordinat3, -koordinat, -koordinat2, -koordinat3,
koordinat6, -koordinat2, koordinat5, koordinat6, koordinat4,
koordinat5, -koordinat, -koordinat2, -koordinat3, -koordinat,
-koordinat2, koordinat5, -koordinat, koordinat4, -koordinat3,
koordinat6, -koordinat2, -koordinat3, -koordinat, koordinat4,
-koordinat3, -koordinat, koordinat4, koordinat5, -koordinat,
koordinat4, -koordinat3, -koordinat, -koordinat2, -koordinat3,
-koordinat, -koordinat2, -koordinat3, -koordinat, -koordinat2,
koordinat5, koordinat6, -koordinat2, koordinat5, -koordinat,
koordinat4, -koordinat3, koordinat6, -koordinat2, -koordinat3,
koordinat6, -koordinat2, -koordinat3, -koordinat, -koordinat2,
koordinat5, koordinat6, -koordinat2, -koordinat3, koordinat6,
koordinat4, -koordinat3, koordinat6, koordinat4, koordinat5,
koordinat6, koordinat4, -koordinat3, -koordinat, koordinat4,
koordinat5, -koordinat, koordinat4, -koordinat3, -koordinat,
koordinat4, koordinat5, koordinat6, koordinat4, -koordinat3,
koordinat6, koordinat4, koordinat5, koordinat6, koordinat4, koordinat5,
-koordinat, -koordinat2, koordinat5, -koordinat, koordinat4,
koordinat5, koordinat6, -koordinat2, koordinat5, -koordinat,
-koordinat2, koordinat5, koordinat6, koordinat4, koordinat5,
koordinat6, -koordinat2, koordinat5, koordinat6, koordinat4,
-koordinat3, koordinat6
]
# Two UV coordinatesfor each vertex. They were created withe Blender.
uv_data = [
0.000059, 1.0 - 0.000004, 0.000103, 1.0 - 0.336048, 0.335973,
1.0 - 0.335903, 1.000023, 1.0 - 0.000013, 0.667979, 1.0 - 0.335851,
0.999958, 1.0 - 0.336064, 0.667979, 1.0 - 0.335851, 0.336024,
1.0 - 0.671877, 0.667969, 1.0 - 0.671889, 1.000023, 1.0 - 0.000013,
0.668104, 1.0 - 0.000013, 0.667979, 1.0 - 0.335851, 0.000059,
1.0 - 0.000004, 0.335973, 1.0 - 0.335903, 0.336098, 1.0 - 0.000071,
0.667979, 1.0 - 0.335851, 0.335973, 1.0 - 0.335903, 0.336024,
1.0 - 0.671877, 1.000004, 1.0 - 0.671847, 0.999958, 1.0 - 0.336064,
0.667979, 1.0 - 0.335851, 0.668104, 1.0 - 0.000013, 0.335973,
1.0 - 0.335903, 0.667979, 1.0 - 0.335851, 0.335973, 1.0 - 0.335903,
0.668104, 1.0 - 0.000013, 0.336098, 1.0 - 0.000071, 0.000103,
1.0 - 0.336048, 0.000004, 1.0 - 0.671870, 0.336024, 1.0 - 0.671877,
0.000103, 1.0 - 0.336048, 0.336024, 1.0 - 0.671877, 0.335973,
1.0 - 0.335903, 0.667969, 1.0 - 0.671889, 1.000004, 1.0 - 0.671847,
0.667979, 1.0 - 0.335851
]
vertex_buffer = glGenBuffers(1)
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(vertex_data) * 4, array_type(*vertex_data),
GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1)
array_type = GLfloat * len(uv_data)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(uv_data) * 4, array_type(*uv_data), GL_STATIC_DRAW)
while glfw.get_key(
window, glfw.KEY_ESCAPE
) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE, mvp.data)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, texture)
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0)
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glVertexAttribPointer(
1, # attribute 0. No particular reason for 0, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0,
12 * 3) #3 indices starting at 0 -> 1 triangle
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# note braces around vertex_buffer and vertex_array_id.
# These 2 functions expect arrays of values
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def init(self):
super(Risk, self).init()
glfw.set_input_mode(self.window, glfw.CURSOR, False)
self.shaders = shaders.init()
def main():
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0,0.0,0.4,0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST);
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS);
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
program_id = common.LoadShaders( ".\\shaders\\Tutorial5\\TransformVertexShader.vertexshader",
".\\shaders\\Tutorial5\\TextureFragmentShader.fragmentshader" )
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP");
# Projection matrix : 45 Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units
projection = mat4.perspective(45.0, 4.0 / 3.0, 0.1, 100.0)
# Camera matrix
view = mat4.lookat(vec3(4,3,-3), # Camera is at (4,3,3), in World Space
vec3(0,0,0), # and looks at the origin
vec3(0,1,0))
# Model matrix : an identity matrix (model will be at the origin)
model = mat4.identity()
# Our ModelViewProjection : multiplication of our 3 matrices
mvp = projection * view * model
texture = load_image(".\\content\\uvtemplate.bmp")
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle.
# A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices
vertex_data = [
-1.0,-1.0,-1.0,
-1.0,-1.0, 1.0,
-1.0, 1.0, 1.0,
1.0, 1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0,-1.0,
1.0,-1.0, 1.0,
-1.0,-1.0,-1.0,
1.0,-1.0,-1.0,
1.0, 1.0,-1.0,
1.0,-1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0, 1.0,
-1.0, 1.0,-1.0,
1.0,-1.0, 1.0,
-1.0,-1.0, 1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0, 1.0,
-1.0,-1.0, 1.0,
1.0,-1.0, 1.0,
1.0, 1.0, 1.0,
1.0,-1.0,-1.0,
1.0, 1.0,-1.0,
1.0,-1.0,-1.0,
1.0, 1.0, 1.0,
1.0,-1.0, 1.0,
1.0, 1.0, 1.0,
1.0, 1.0,-1.0,
-1.0, 1.0,-1.0,
1.0, 1.0, 1.0,
-1.0, 1.0,-1.0,
-1.0, 1.0, 1.0,
1.0, 1.0, 1.0,
-1.0, 1.0, 1.0,
1.0,-1.0, 1.0]
# Two UV coordinatesfor each vertex. They were created withe Blender.
uv_data = [
0.000059, 1.0-0.000004,
0.000103, 1.0-0.336048,
0.335973, 1.0-0.335903,
1.000023, 1.0-0.000013,
0.667979, 1.0-0.335851,
0.999958, 1.0-0.336064,
0.667979, 1.0-0.335851,
0.336024, 1.0-0.671877,
0.667969, 1.0-0.671889,
1.000023, 1.0-0.000013,
0.668104, 1.0-0.000013,
0.667979, 1.0-0.335851,
0.000059, 1.0-0.000004,
0.335973, 1.0-0.335903,
0.336098, 1.0-0.000071,
0.667979, 1.0-0.335851,
0.335973, 1.0-0.335903,
0.336024, 1.0-0.671877,
1.000004, 1.0-0.671847,
0.999958, 1.0-0.336064,
0.667979, 1.0-0.335851,
0.668104, 1.0-0.000013,
0.335973, 1.0-0.335903,
0.667979, 1.0-0.335851,
0.335973, 1.0-0.335903,
0.668104, 1.0-0.000013,
0.336098, 1.0-0.000071,
0.000103, 1.0-0.336048,
0.000004, 1.0-0.671870,
0.336024, 1.0-0.671877,
0.000103, 1.0-0.336048,
0.336024, 1.0-0.671877,
0.335973, 1.0-0.335903,
0.667969, 1.0-0.671889,
1.000004, 1.0-0.671847,
0.667979, 1.0-0.335851]
vertex_buffer = glGenBuffers(1);
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4, array_type(*vertex_data), GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1);
array_type = GLfloat * len(uv_data)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER, len(uv_data) * 4, array_type(*uv_data), GL_STATIC_DRAW)
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0);
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer);
glVertexAttribPointer(
1, # attribute 0. No particular reason for 0, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0, 12*3) #3 indices starting at 0 -> 1 triangle
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# note braces around vertex_buffer and vertex_array_id.
# These 2 functions expect arrays of values
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def main():
global hdrbuffer, blurbuffer, cube
if not glfw.init():
print('Failed to initialize GLFW.')
return
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, GL_TRUE)
glfw.window_hint(glfw.SAMPLES, config['sampling_level'])
if config['fullscreen']:
global width, height
mode = glfw.get_video_mode(glfw.get_primary_monitor())
width, height = mode.size.width, mode.size.height
window = glfw.create_window(mode.size.width, mode.size.height,
config['app_name'],
glfw.get_primary_monitor(), None)
else:
window = glfw.create_window(width, height, config['app_name'], None,
None)
if not window:
print('Failed to create GLFW Window.')
glfw.terminate()
return
glfw.make_context_current(window)
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
glfw.set_framebuffer_size_callback(window, resizeCallback)
glfw.set_cursor_pos_callback(window, mouseMove)
glfw.set_key_callback(window, keyCallback)
glEnable(GL_DEPTH_TEST)
glEnable(GL_MULTISAMPLE)
glEnable(GL_CULL_FACE)
glCullFace(GL_BACK)
program = getLinkedProgram('resources/shaders/vert.vs',
'resources/shaders/frag.fs')
depthProgram = getLinkedProgram('resources/shaders/shadow_depth.vs',
'resources/shaders/shadow_depth.fs')
blurProgram = getLinkedProgram('resources/shaders/blur.vs',
'resources/shaders/blur.fs')
hdrProgram = getLinkedProgram('resources/shaders/hdr.vs',
'resources/shaders/hdr.fs')
blurProgram.use()
blurProgram.setInt('image', 0)
hdrProgram.use()
hdrProgram.setInt('sceneMap', 0)
hdrProgram.setInt('bloomMap', 1)
hdrbuffer = HDRbuffer()
hdrbuffer.create(width, height)
blurbuffer = Blurbuffer()
blurbuffer.create(width, height)
bloom = Bloom(hdrbuffer, hdrProgram, blurbuffer, blurProgram)
lightPos = glm.vec3(10, 100, 0)
perspective = glm.perspective(45, width / height, config['near_plane'],
config['far_plane'])
shadow = Shadow(lightPos, config['near_plane'], config['far_plane'])
shadow.create(config['shadow_width'], config['shadow_height'])
cube = Model('resources/models/cube.json')
texture = loadTexture2D('resources/textures/diffuse.jpg')
normal = loadTexture2D('resources/textures/normal.jpg')
specular = loadTexture2D('resources/textures/specular.jpg')
depth = loadTexture2D('resources/textures/depth.jpg')
blockPositions = generateVoxelPositions(config['world_width'],
config['world_height'],
config['world_width'])
cube.setMultiplePositions(blockPositions)
blockPositions.clear()
lastTime = glfw.get_time()
while not glfw.window_should_close(window):
if config['debug_mode']:
print(glGetError())
currentTime = glfw.get_time()
deltaTime = currentTime - lastTime
lastTime = currentTime
lightPos.x = config['world_width'] / 2
lightPos.z = math.sin(currentTime * 0.1) * config['world_depth'] * 2
lightPos.y = config['world_height'] * 2
shadow.updateMatrix(lightPos, config['near_plane'],
config['far_plane'])
moveInput(window, deltaTime)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glClearColor(0.1, 0.2, 0.8, 1)
shadow.castShadow(depthProgram)
cube.drawMultiple(depthProgram)
shadow.endCastShadow(program)
hdrbuffer.bind()
glViewport(0, 0, width, height)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
program.use()
program.setMat4('viewProject', perspective * camera.getViewMatrix())
program.setVec3('viewPos', camera.position)
program.setVec3('lightPos', lightPos)
glActiveTexture(GL_TEXTURE1)
program.setInt('mat.diffuseMap', 1)
texture.bind()
glActiveTexture(GL_TEXTURE2)
program.setInt('mat.normalMap', 2)
normal.bind()
glActiveTexture(GL_TEXTURE3)
program.setInt('mat.specularMap', 3)
specular.bind()
glActiveTexture(GL_TEXTURE4)
program.setInt('mat.depthMap', 4)
depth.bind()
program.setFloat('mat.shininess', 128)
program.setFloat('mat.heightScale', 0.12)
cube.drawMultiple(program)
hdrbuffer.unbind()
hdrbuffer.finalize()
bloom.drawProcessedScene()
glfw.poll_events()
glfw.swap_buffers(window)
glfw.terminate()
def stop_drag(self):
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_NORMAL)
self.is_drag = False
def main():
# Initialize GLFW and open a window
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
glfw.set_cursor_pos(window, 1024/2, 768/2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0,0.0,0.0,0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS)
# Cull triangles which normal is not towards the camera
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
# Create and compile our GLSL program from the shaders
program_id = common.LoadShaders( ".\\shaders\\common\\StandardShading.vertexshader",
".\\shaders\\common\\StandardShading.fragmentshader" )
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
view_matrix_id = glGetUniformLocation(program_id, "V")
model_matrix_id = glGetUniformLocation(program_id, "M")
# Read our OBJ file
vertices,faces,uvs,normals,colors = objloader.load(".\\content\\male_apose_closed2.obj")
vertex_data,uv_data,normal_data = objloader.process_obj( vertices,faces,uvs,normals,colors)
# Our OBJ loader uses Python lists, convert to ctype arrays before sending to OpenGL
vertex_data = objloader.generate_2d_ctypes(vertex_data)
normal_data = objloader.generate_2d_ctypes(normal_data)
# Load OBJ in to a VBO
vertex_buffer = glGenBuffers(1);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4 * 3, vertex_data, GL_STATIC_DRAW)
normal_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer)
glBufferData(GL_ARRAY_BUFFER, len(normal_data) * 4 * 3, normal_data, GL_STATIC_DRAW)
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
# Get a handle for our "LightPosition" uniform
glUseProgram(program_id);
light_id = glGetUniformLocation(program_id, "LightPosition_worldspace");
last_time = glfw.get_time()
frames = 0
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
current_time = glfw.get_time()
glUseProgram(program_id)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix();
ViewMatrix = controls.getViewMatrix();
ModelMatrix = mat4.identity();
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix;
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
glUniformMatrix4fv(model_matrix_id, 1, GL_FALSE, ModelMatrix.data);
glUniformMatrix4fv(view_matrix_id, 1, GL_FALSE, ViewMatrix.data);
lightPos = vec3(0,4,4)
glUniform3f(light_id, lightPos.x, lightPos.y, lightPos.z)
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : normals
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer);
glVertexAttribPointer(
1, # attribute
3, # size
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangles, vertex data now contains individual vertices
# so use array length
glDrawArrays(GL_TRIANGLES, 0, len(vertex_data))
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Take screenshot of active buffer
if glfw.get_key( window, glfw.KEY_P ) == glfw.PRESS:
print("Saving screenshot as 'test.bmp'")
screenshot('test.bmp',1024,768)
# Dump MVP matrix to the command line
if glfw.get_key( window, glfw.KEY_M ) == glfw.PRESS:
print(mvp)
# Poll for and process events
glfw.poll_events()
frames += 1
# !Note braces around vertex_buffer and uv_buffer.
# glDeleteBuffers expects a list of buffers to delete
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [normal_buffer])
glDeleteProgram(program_id)
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def main():
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
glfw.set_cursor_pos(window, 1024/2, 768/2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0,0.0,0.4,0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS);
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
program_id = common.LoadShaders( ".\\shaders\\Tutorial6\\TransformVertexShader.vertexshader",
".\\shaders\\Tutorial6\\TextureFragmentShader.fragmentshader" )
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP");
texture = load_image(".\\content\\uvtemplate.bmp")
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle.
# A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices
vertex_data = [
-1.0,-1.0,-1.0,
-1.0,-1.0, 1.0,
-1.0, 1.0, 1.0,
1.0, 1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0,-1.0,
1.0,-1.0, 1.0,
-1.0,-1.0,-1.0,
1.0,-1.0,-1.0,
1.0, 1.0,-1.0,
1.0,-1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0, 1.0,
-1.0, 1.0,-1.0,
1.0,-1.0, 1.0,
-1.0,-1.0, 1.0,
-1.0,-1.0,-1.0,
-1.0, 1.0, 1.0,
-1.0,-1.0, 1.0,
1.0,-1.0, 1.0,
1.0, 1.0, 1.0,
1.0,-1.0,-1.0,
1.0, 1.0,-1.0,
1.0,-1.0,-1.0,
1.0, 1.0, 1.0,
1.0,-1.0, 1.0,
1.0, 1.0, 1.0,
1.0, 1.0,-1.0,
-1.0, 1.0,-1.0,
1.0, 1.0, 1.0,
-1.0, 1.0,-1.0,
-1.0, 1.0, 1.0,
1.0, 1.0, 1.0,
-1.0, 1.0, 1.0,
1.0,-1.0, 1.0]
# Two UV coordinatesfor each vertex. They were created withe Blender.
uv_data = [
0.000059, 1.0-0.000004,
0.000103, 1.0-0.336048,
0.335973, 1.0-0.335903,
1.000023, 1.0-0.000013,
0.667979, 1.0-0.335851,
0.999958, 1.0-0.336064,
0.667979, 1.0-0.335851,
0.336024, 1.0-0.671877,
0.667969, 1.0-0.671889,
1.000023, 1.0-0.000013,
0.668104, 1.0-0.000013,
0.667979, 1.0-0.335851,
0.000059, 1.0-0.000004,
0.335973, 1.0-0.335903,
0.336098, 1.0-0.000071,
0.667979, 1.0-0.335851,
0.335973, 1.0-0.335903,
0.336024, 1.0-0.671877,
1.000004, 1.0-0.671847,
0.999958, 1.0-0.336064,
0.667979, 1.0-0.335851,
0.668104, 1.0-0.000013,
0.335973, 1.0-0.335903,
0.667979, 1.0-0.335851,
0.335973, 1.0-0.335903,
0.668104, 1.0-0.000013,
0.336098, 1.0-0.000071,
0.000103, 1.0-0.336048,
0.000004, 1.0-0.671870,
0.336024, 1.0-0.671877,
0.000103, 1.0-0.336048,
0.336024, 1.0-0.671877,
0.335973, 1.0-0.335903,
0.667969, 1.0-0.671889,
1.000004, 1.0-0.671847,
0.667979, 1.0-0.335851]
vertex_buffer = glGenBuffers(1);
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4, array_type(*vertex_data), GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1);
array_type = GLfloat * len(uv_data)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER, len(uv_data) * 4, array_type(*uv_data), GL_STATIC_DRAW)
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix();
ViewMatrix = controls.getViewMatrix();
ModelMatrix = mat4.identity();
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix;
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0);
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer);
glVertexAttribPointer(
1, # attribute 1. No particular reason for 1, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0, 12*3) #3 indices starting at 0 -> 1 triangle
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# !Note braces around vertex_buffer and uv_buffer.
# glDeleteBuffers expects a list of buffers to delete
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def main():
# Initialize GLFW and open a window
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window, glfw.STICKY_KEYS, GL_TRUE)
glfw.set_cursor_pos(window, 1024 / 2, 768 / 2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0, 0.0, 0.4, 0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS)
# Cull triangles which normal is not towards the camera
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray(vertex_array_id)
# Create and compile our GLSL program from the shaders
program_id = common.LoadShaders(
".\\shaders\\Tutorial8\\StandardShading.vertexshader",
".\\shaders\\Tutorial8\\StandardShading.fragmentshader")
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
view_matrix_id = glGetUniformLocation(program_id, "V")
model_matrix_id = glGetUniformLocation(program_id, "M")
# Load the texture
texture = load_image(".\\content\\oppo.bmp") #load image
# Get a handle for our "myTextureSampler" uniform
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Read our OBJ file
# vertices,faces,uvs,normals,colors = objloader.load(".\\content\\suzanne.obj")
# vertex_data,uv_data,normal_data = objloader.process_obj( vertices,faces,uvs,normals,colors)
# Our OBJ loader uses Python lists, convert to ctype arrays before sending to OpenGL
# vertex_data = objloader.generate_2d_ctypes(vertex_data)
# uv_data = objloader.generate_2d_ctypes(uv_data)
koordinat = 0.01
koordinat2 = 0.5
koordinat3 = 1.7
koordinat4 = 1.0
koordinat5 = 1.7
koordinat6 = 0.1
vertex_data = [
-koordinat2, -koordinat3, -koordinat, -koordinat2, -koordinat3,
koordinat6, -koordinat2, koordinat5, koordinat6, koordinat4,
koordinat5, -koordinat, -koordinat2, -koordinat3, -koordinat,
-koordinat2, koordinat5, -koordinat, koordinat4, -koordinat3,
koordinat6, -koordinat2, -koordinat3, -koordinat, koordinat4,
-koordinat3, -koordinat, koordinat4, koordinat5, -koordinat,
koordinat4, -koordinat3, -koordinat, -koordinat2, -koordinat3,
-koordinat, -koordinat2, -koordinat3, -koordinat, -koordinat2,
koordinat5, koordinat6, -koordinat2, koordinat5, -koordinat,
koordinat4, -koordinat3, koordinat6, -koordinat2, -koordinat3,
koordinat6, -koordinat2, -koordinat3, -koordinat, -koordinat2,
koordinat5, koordinat6, -koordinat2, -koordinat3, koordinat6,
koordinat4, -koordinat3, koordinat6, koordinat4, koordinat5,
koordinat6, koordinat4, -koordinat3, -koordinat, koordinat4,
koordinat5, -koordinat, koordinat4, -koordinat3, -koordinat,
koordinat4, koordinat5, koordinat6, koordinat4, -koordinat3,
koordinat6, koordinat4, koordinat5, koordinat6, koordinat4, koordinat5,
-koordinat, -koordinat2, koordinat5, -koordinat, koordinat4,
koordinat5, koordinat6, -koordinat2, koordinat5, -koordinat,
-koordinat2, koordinat5, koordinat6, koordinat4, koordinat5,
koordinat6, -koordinat2, koordinat5, koordinat6, koordinat4,
-koordinat3, koordinat6
]
# Two UV coordinatesfor each vertex. They were created withe Blender.
uv_data = [
0.000059, 1.0 - 0.000004, 0.000103, 1.0 - 0.336048, 0.335973,
1.0 - 0.335903, 1.000023, 1.0 - 0.000013, 0.667979, 1.0 - 0.335851,
0.999958, 1.0 - 0.336064, 0.667979, 1.0 - 0.335851, 0.336024,
1.0 - 0.671877, 0.667969, 1.0 - 0.671889, 1.000023, 1.0 - 0.000013,
0.668104, 1.0 - 0.000013, 0.667979, 1.0 - 0.335851, 0.000059,
1.0 - 0.000004, 0.335973, 1.0 - 0.335903, 0.336098, 1.0 - 0.000071,
0.667979, 1.0 - 0.335851, 0.335973, 1.0 - 0.335903, 0.336024,
1.0 - 0.671877, 1.000004, 1.0 - 0.671847, 0.999958, 1.0 - 0.336064,
0.667979, 1.0 - 0.335851, 0.668104, 1.0 - 0.000013, 0.335973,
1.0 - 0.335903, 0.667979, 1.0 - 0.335851, 0.335973, 1.0 - 0.335903,
0.668104, 1.0 - 0.000013, 0.336098, 1.0 - 0.000071, 0.000103,
1.0 - 0.336048, 0.000004, 1.0 - 0.671870, 0.336024, 1.0 - 0.671877,
0.000103, 1.0 - 0.336048, 0.336024, 1.0 - 0.671877, 0.335973,
1.0 - 0.335903, 0.667969, 1.0 - 0.671889, 1.000004, 1.0 - 0.671847,
0.667979, 1.0 - 0.335851
]
normal_data = [
-0.5, 0, 0, -0.5, 0, 0, -0.5, 0, 0, 0, 0, -0.5, 0, 0, -0.5, 0, 0, -0.5,
0, -0.5, 0, 0, -0.5, 0, 0, -0.5, 0, 0, 0, -0.5, 0, 0, -0.5, 0, 0, -0.5,
-0.5, 0, 0, -0.5, 0, 0, -0.5, 0, 0, 0, -0.5, 0, 0, -0.5, 0, 0, -0.5, 0,
0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0,
1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1,
0, 0, 1, 0, 0, 1
]
# Load OBJ in to a VBO
vertex_buffer = glGenBuffers(1)
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(vertex_data) * 4, array_type(*vertex_data),
GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1)
array_type = GLfloat * len(uv_data)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(uv_data) * 4, array_type(*uv_data), GL_STATIC_DRAW)
normal_buffer = glGenBuffers(1)
array_type = GLfloat * len(normal_data)
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(normal_data) * 4, array_type(*normal_data),
GL_STATIC_DRAW)
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
# Get a handle for our "LightPosition" uniform
glUseProgram(program_id)
light_id = glGetUniformLocation(program_id, "LightPosition_worldspace")
last_time = glfw.get_time()
frames = 0
while glfw.get_key(
window, glfw.KEY_ESCAPE
) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
current_time = glfw.get_time()
if current_time - last_time >= 1.0:
glfw.set_window_title(window, "Tutorial 8. FPS: %d" % (frames))
frames = 0
last_time = current_time
glUseProgram(program_id)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix()
ViewMatrix = controls.getViewMatrix()
ModelMatrix = mat4.identity()
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE, mvp.data)
glUniformMatrix4fv(model_matrix_id, 1, GL_FALSE, ModelMatrix.data)
glUniformMatrix4fv(view_matrix_id, 1, GL_FALSE, ViewMatrix.data)
lightPos = vec3(4, 4, 4)
glUniform3f(light_id, lightPos.x, lightPos.y, lightPos.z)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, texture)
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0)
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glVertexAttribPointer(
1, # attribute 1. No particular reason for 1, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 3rd attribute buffer : normals
glEnableVertexAttribArray(2)
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer)
glVertexAttribPointer(
2, # attribute
3, # size
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangles, vertex data now contains individual vertices
# so use array length
glDrawArrays(GL_TRIANGLES, 0, len(vertex_data))
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
glDisableVertexAttribArray(2)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
frames += 1
# !Note braces around vertex_buffer and uv_buffer.
# glDeleteBuffers expects a list of buffers to delete
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteBuffers(1, [normal_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
if not window:
glfw.terminate()
raise Exception("glfw window can not be created!")
# set window's position
glfw.set_window_pos(window, 10, 20)
##CALLBACK FUNCTIONS
##set the callback func for window resize
glfw.set_window_size_callback(window, window_resize)
##set the mouse position callback
glfw.set_cursor_pos_callback(window, mouse_look_clb)
##set the keyboard input callback
glfw.set_key_callback(window, key_input_clb)
##capture the mouse cursor
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
##call back for mouse scroll
glfw.set_scroll_callback(window, scroll_clb)
##make the context current
glfw.make_context_current(window)
##load here the 3d meshes
dh_indices, dh_buffer = ObjLoader.load_model("meshes/final.obj")
##dh_indices, dh_buffer=ObjLoader.load_model("meshes/cube.obj")
shader = ShaderLoader.compile_shader("shaders/shader_vert.vs",
"shaders/shader_frag.fs")
##VAO AND VBO
VAO = glGenVertexArrays(1)
VBO = glGenBuffers(1)
def main():
if not opengl_init():
return
glfw.set_input_mode(window, glfw.STICKY_KEYS, GL_TRUE)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0, 0, 0.4, 0)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray(vertex_array_id)
program_id = common.LoadShaders(
".\\shaders\\Tutorial3\\SimpleTransform.vertexshader",
".\\shaders\\Tutorial3\\SingleColor.fragmentshader")
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
# Projection matrix : 45 Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units
projection = mat4.perspective(45.0, 4.0 / 3.0, 0.1, 100.0)
# Camera matrix
view = mat4.lookat(
vec3(4, 3, 3), # Camera is at (4,3,3), in World Space
vec3(0, 0, 0), # and looks at the origin
vec3(0, 1, 0))
# Model matrix : an identity matrix (model will be at the origin)
model = mat4.identity()
# Our ModelViewProjection : multiplication of our 3 matrices
mvp = projection * view * model
vertex_data = [-1.0, -1.0, 0.0, 1.0, -1.0, 0.0, 0.0, 1.0, 0.0]
vertex_buffer = glGenBuffers(1)
# GLFloat = c_types.c_float
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(vertex_data) * 4, array_type(*vertex_data),
GL_STATIC_DRAW)
while glfw.get_key(
window, glfw.KEY_ESCAPE
) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(program_id)
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE, mvp.data)
# Bind vertex buffer data to the attribute 0 in our shader.
# Note: This can also be done in the VAO itself (see vao_test.py)
# Enable the vertex attribute at element[0], in this case that's the triangle's vertices
# this could also be color, normals, etc. It isn't necessary to disable these
#
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0,
3) #3 indices starting at 0 -> 1 triangle
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# note braces around vertex_buffer and vertex_array_id.
# These 2 functions expect arrays of values
glDeleteBuffers(1, [vertex_buffer])
glDeleteProgram(program_id)
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def __init__(
self,
module,
width,
height,
caption,
scale,
palette,
fps,
border_width,
border_color,
):
if glfw.get_version() < tuple(map(int, GLFW_VERSION.split("."))):
raise RuntimeError(
"glfw version is lower than {}".format(GLFW_VERSION))
if width > APP_SCREEN_MAX_SIZE or height > APP_SCREEN_MAX_SIZE:
raise ValueError("screen size is larger than {}x{}".format(
APP_SCREEN_MAX_SIZE, APP_SCREEN_MAX_SIZE))
global pyxel
pyxel = module
self._palette = palette[:]
self._fps = fps
self._border_width = border_width
self._border_color = border_color
self._next_update_time = 0
self._one_frame_time = 1 / fps
self._key_state = {}
self._is_mouse_visible = False
self._update = None
self._draw = None
self._capture_start = 0
self._capture_count = 0
self._capture_images = [None] * APP_GIF_CAPTURE_COUNT
self._perf_monitor_is_enabled = False
self._perf_fps_count = 0
self._perf_fps_start_time = 0
self._perf_fps = 0
self._perf_update_count = 0
self._perf_update_total_time = 0
self._perf_update_time = 0
self._perf_draw_count = 0
self._perf_draw_total_time = 0
self._perf_draw_time = 0
# exports variables
pyxel._app = self
pyxel.width = width
pyxel.height = height
pyxel.mouse_x = 0
pyxel.mouse_y = 0
pyxel.frame_count = 0
# initialize window
if not glfw.init():
exit()
monitor = glfw.get_primary_monitor()
display_width, display_height = glfw.get_video_mode(monitor)[0]
if scale == 0:
scale = max(
min(
(display_width // width) - APP_SCREEN_SCALE_CUTDOWN,
(display_height // height) - APP_SCREEN_SCALE_CUTDOWN,
),
APP_SCREEN_SCALE_MINIMUM,
)
window_width = width * scale + border_width
window_height = height * scale + border_width
self._window = glfw.create_window(window_width, window_height, caption,
None, None)
if not self._window:
glfw.terminate()
exit()
glfw.set_window_pos(
self._window,
(display_width - window_width) // 2,
(display_height - window_height) // 2,
)
glfw.make_context_current(self._window)
glfw.set_window_size_limits(self._window, width, height,
glfw.DONT_CARE, glfw.DONT_CARE)
self._hidpi_scale = (glfw.get_framebuffer_size(self._window)[0] /
glfw.get_window_size(self._window)[0])
self._update_viewport()
glfw.set_key_callback(self._window, self._key_callback)
glfw.set_mouse_button_callback(self._window,
self._mouse_button_callback)
glfw.set_window_icon(self._window, 1, [get_icon_image()])
glfw.set_input_mode(self._window, glfw.CURSOR, glfw.CURSOR_HIDDEN)
# initialize renderer
self._renderer = Renderer(width, height)
# initialize audio player
self._audio_player = AudioPlayer()
# export module functions
pyxel.btn = self.btn
pyxel.btnp = self.btnp
pyxel.btnr = self.btnr
pyxel.mouse = self.mouse
pyxel.run = self.run
pyxel.run_with_profiler = self.run_with_profiler
pyxel.quit = self.quit
pyxel.save = self.save
pyxel.load = self.load
pyxel.image = self._renderer.image
pyxel.tilemap = self._renderer.tilemap
pyxel.clip = self._renderer.draw_command.clip
pyxel.pal = self._renderer.draw_command.pal
pyxel.cls = self._renderer.draw_command.cls
pyxel.pix = self._renderer.draw_command.pix
pyxel.line = self._renderer.draw_command.line
pyxel.rect = self._renderer.draw_command.rect
pyxel.rectb = self._renderer.draw_command.rectb
pyxel.circ = self._renderer.draw_command.circ
pyxel.circb = self._renderer.draw_command.circb
pyxel.blt = self._renderer.draw_command.blt
pyxel.bltm = self._renderer.draw_command.bltm
pyxel.text = self._renderer.draw_command.text
pyxel.sound = self._audio_player.sound
pyxel.music = self._audio_player.music
pyxel.play = self._audio_player.play
pyxel.playm = self._audio_player.playm
pyxel.stop = self._audio_player.stop
# initialize mouse cursor
pyxel.image(3,
system=True).set(MOUSE_CURSOR_IMAGE_X,
MOUSE_CURSOR_IMAGE_Y, MOUSE_CURSOR_DATA)
def main():
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window, glfw.STICKY_KEYS, GL_TRUE)
# Enable key event callback
glfw.set_key_callback(window, key_event)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0, 0, 0.4, 0)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray(vertex_array_id)
program_id = common.LoadShaders(
".\\shaders\\Tutorial4\\TransformVertexShader.vertexshader",
".\\shaders\\Tutorial4\\ColorFragmentShader.fragmentshader")
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
# Projection matrix : 45 Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units
projection = mat4.perspective(45.0, 4.0 / 3.0, 0.1, 100.0)
# Camera matrix
view = mat4.lookat(
vec3(4, 3, -3), # Camera is at (4,3,3), in World Space
vec3(0, 0, 0), # and looks at the origin
vec3(0, 1, 0))
# Model matrix : an identity matrix (model will be at the origin)
model = mat4.identity()
# Our ModelViewProjection : multiplication of our 3 matrices
mvp = projection * view * model
# Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle.
# A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices
vertex_data = [
-1.0, -1.0, -1.0, -1.0, -1.0, 1.0, -1.0, 1.0, 1.0, 1.0, 1.0, -1.0,
-1.0, -1.0, -1.0, -1.0, 1.0, -1.0, 1.0, -1.0, 1.0, -1.0, -1.0, -1.0,
1.0, -1.0, -1.0, 1.0, 1.0, -1.0, 1.0, -1.0, -1.0, -1.0, -1.0, -1.0,
-1.0, -1.0, -1.0, -1.0, 1.0, 1.0, -1.0, 1.0, -1.0, 1.0, -1.0, 1.0,
-1.0, -1.0, 1.0, -1.0, -1.0, -1.0, -1.0, 1.0, 1.0, -1.0, -1.0, 1.0,
1.0, -1.0, 1.0, 1.0, 1.0, 1.0, 1.0, -1.0, -1.0, 1.0, 1.0, -1.0, 1.0,
-1.0, -1.0, 1.0, 1.0, 1.0, 1.0, -1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
-1.0, -1.0, 1.0, -1.0, 1.0, 1.0, 1.0, -1.0, 1.0, -1.0, -1.0, 1.0, 1.0,
1.0, 1.0, 1.0, -1.0, 1.0, 1.0, 1.0, -1.0, 1.0
]
# One color for each vertex. They were generated randomly.
color_data = [
0.583, 0.771, 0.014, 0.609, 0.115, 0.436, 0.327, 0.483, 0.844, 0.822,
0.569, 0.201, 0.435, 0.602, 0.223, 0.310, 0.747, 0.185, 0.597, 0.770,
0.761, 0.559, 0.436, 0.730, 0.359, 0.583, 0.152, 0.483, 0.596, 0.789,
0.559, 0.861, 0.639, 0.195, 0.548, 0.859, 0.014, 0.184, 0.576, 0.771,
0.328, 0.970, 0.406, 0.615, 0.116, 0.676, 0.977, 0.133, 0.971, 0.572,
0.833, 0.140, 0.616, 0.489, 0.997, 0.513, 0.064, 0.945, 0.719, 0.592,
0.543, 0.021, 0.978, 0.279, 0.317, 0.505, 0.167, 0.620, 0.077, 0.347,
0.857, 0.137, 0.055, 0.953, 0.042, 0.714, 0.505, 0.345, 0.783, 0.290,
0.734, 0.722, 0.645, 0.174, 0.302, 0.455, 0.848, 0.225, 0.587, 0.040,
0.517, 0.713, 0.338, 0.053, 0.959, 0.120, 0.393, 0.621, 0.362, 0.673,
0.211, 0.457, 0.820, 0.883, 0.371, 0.982, 0.099, 0.879
]
vertex_buffer = glGenBuffers(1)
array_type = GLfloat * len(vertex_data)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(vertex_data) * 4, array_type(*vertex_data),
GL_STATIC_DRAW)
color_buffer = glGenBuffers(1)
array_type = GLfloat * len(color_data)
glBindBuffer(GL_ARRAY_BUFFER, color_buffer)
glBufferData(GL_ARRAY_BUFFER,
len(color_data) * 4, array_type(*color_data), GL_STATIC_DRAW)
while glfw.get_key(
window, glfw.KEY_ESCAPE
) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE, mvp.data)
# Bind vertex buffer data to the attribute 0 in our shader.
# Note: This can also be done in the VAO itself (see vao_test.py)
# Enable the vertex attribute at element[0], in this case that's the triangle's vertices
# this could also be color, normals, etc. It isn't necessary to disable these
#
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, color_buffer)
glVertexAttribPointer(
1, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0,
12 * 3) #3 indices starting at 0 -> 1 triangle
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# note braces around vertex_buffer and vertex_array_id.
# These 2 functions expect arrays of values
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [color_buffer])
glDeleteProgram(program_id)
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
if key == glfw.KEY_1:
ogTexture = False
newTexture = "polka.jpg"
if key == glfw.KEY_2:
ogTexture = False
newTexture = "grunge_wall.jpg"
if key == glfw.KEY_3:
ogTexture = False
newTexture = "old_rock.jpg"
if key == glfw.KEY_4:
ogTexture = False
newTexture = "solar.jpg"
while not glfw.window_should_close(window):
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,gl.GL_TRUE)
# Enable key event callback
glfw.set_key_callback(window,camera_handle)
gl.glClear(gl.GL_COLOR_BUFFER_BIT|gl.GL_DEPTH_BUFFER_BIT)
gl.glUseProgram(shader)
view = glm.lookAt(camera, center, up)
glize(scene.rootnode)
glfw.swap_buffers(window)
glfw.poll_events()
#cerrar y eliminar todo para un cierre correcto
gl.glDeleteBuffers(1, [vertex_buffer_object])
gl.glDeleteBuffers(1, [element_buffer_object])
def cursor_hide(self):
glfw.set_input_mode(self.__gl_handle, glfw.CURSOR, glfw.CURSOR_HIDDEN)
def main():
# Initialize GLFW and open a window
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
glfw.set_cursor_pos(window, 1024/2, 768/2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0,0.0,0.4,0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS)
# Cull triangles which normal is not towards the camera
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
# Create and compile our GLSL program from the shaders
program_id = common.LoadShaders( ".\\shaders\\Tutorial7\\TransformVertexShader.vertexshader",
".\\shaders\\Tutorial7\\TextureFragmentShader.fragmentshader" )
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
# Load the texture
texture = load_image(".\\content\\uvmap.bmp")
# Get a handle for our "myTextureSampler" uniform
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Read our OBJ file
vertices,faces,uvs,normals,colors = objloader.load(".\\content\\cube.obj")
vertex_data,uv_data,normal_data = objloader.process_obj( vertices,faces,uvs,normals,colors)
# Our OBJ loader uses Python lists, convert to ctype arrays before sending to OpenGL
vertex_data = objloader.generate_2d_ctypes(vertex_data)
uv_data = objloader.generate_2d_ctypes(uv_data)
# Load OBJ in to a VBO
vertex_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4 * 3, vertex_data, GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1)
array_type = GLfloat * len(uv_data)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER, len(uv_data) * 4 * 2, uv_data, GL_STATIC_DRAW)
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
glUseProgram(program_id)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix()
ViewMatrix = controls.getViewMatrix()
ModelMatrix = mat4.identity()
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, texture)
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0)
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glVertexAttribPointer(
1, # attribute 1. No particular reason for 1, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangles, vertex data now contains individual vertices
# so use array length
glDrawArrays(GL_TRIANGLES, 0, len(vertex_data))
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
# !Note braces around vertex_buffer and uv_buffer.
# glDeleteBuffers expects a list of buffers to delete
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def cursor_disable(self):
glfw.set_input_mode(self.__gl_handle, glfw.CURSOR, glfw.CURSOR_DISABLED)
def main(): if not opengl_init(): return glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE) # Set opengl clear color to something other than red (color used by the fragment shader) glClearColor(0,0,0.4,0) vertex_array_id = glGenVertexArrays(1) glBindVertexArray( vertex_array_id ) program_id = common.LoadShaders( "Shaders/Tutorial2/SimpleVertexShader.vertexshader", "Shaders/Tutorial2/SimpleFragmentShader.fragmentshader" ) vertex_data = [-1.0, -1.0, 0.0, 1.0, -1.0, 0.0, 0.0, 1.0, 0.0] vertex_buffer = glGenBuffers(1); # GLFloat = c_types.c_float array_type = GLfloat * len(vertex_data) # array_type = c_types.c_float_array_9 so unpack values of vertex array x = array_type(*vertex_data) glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer) glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4, array_type(*vertex_data), GL_STATIC_DRAW) while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window): glClear(GL_COLOR_BUFFER_BIT) glUseProgram(program_id) # Bind vertex buffer data to the attribute 0 in our shader. # Note: This can also be done in the VAO itself (see vao_test.py) # Enable the vertex attribute at element[0], in this case that's the triangle's vertices # this could also be color, normals, etc. It isn't necessary to disable these # glEnableVertexAttribArray(0) glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer); glVertexAttribPointer( 0, # attribute 0. No particular reason for 0, but must match the layout in the shader. 3, # len(vertex_data) GL_FLOAT, # type GL_FALSE, # ormalized? 0, # stride null # array buffer offset (c_type == void*) ) # Draw the triangle ! glDrawArrays(GL_TRIANGLES, 0, 3) #3 indices starting at 0 -> 1 triangle # Not strictly necessary because we only have glDisableVertexAttribArray(0) # Swap front and back buffers glfw.swap_buffers(window) # Poll for and process events glfw.poll_events() # note braces around vertex_buffer and vertex_array_id. # These 2 functions expect arrays of values glDeleteBuffers(1, [vertex_buffer]) glDeleteProgram(program_id) glDeleteVertexArrays(1, [vertex_array_id]) glfw.terminate()
def main():
if not glfw.init():
return
w_width = 800
w_height = 600
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 4)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 1)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, 1)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.RESIZABLE, GL_TRUE)
window = glfw.create_window(w_width, w_height, "MY OPENGL", None, None)
if not window:
glfw.terminate()
return
glfw.make_context_current(window)
# Enable key events
glfw.set_input_mode(window, glfw.STICKY_KEYS,GL_TRUE)
# Enable key event callback
glfw.set_key_callback(window, key_event)
#when window resize
# glfw.set_window_size_callback(window, window_resize)
#adding colors
# x, y, z, r, g, b tx ty
cube = [
-0.5, -0.5, 0.5, 1.0, 0.0, 0.0, 0.0, 0.0,
0.5, -0.5, 0.5, 0.0, 1.0, 0.0, 1.0, 0.0,
0.5, 0.5, 0.5, 0.0, 0.0, 1.0, 1.0, 1.0,
-0.5, 0.5, 0.5, 1.0, 1.0, 1.0, 0.0, 1.0,
-0.5, -0.5, -0.5, 1.0, 0.0, 0.0, 0.0, 0.0,
0.5, -0.5, -0.5, 0.0, 1.0, 0.0, 1.0, 0.0,
0.5, 0.5, -0.5, 0.0, 0.0, 1.0, 1.0, 1.0,
-0.5, 0.5, -0.5, 1.0, 1.0, 1.0, 0.0, 1.0,
0.5, -0.5, -0.5, 1.0, 0.0, 0.0, 0.0, 0.0,
0.5, 0.5, -0.5, 0.0, 1.0, 0.0, 1.0, 0.0,
0.5, 0.5, 0.5, 0.0, 0.0, 1.0, 1.0, 1.0,
0.5, -0.5, 0.5, 1.0, 1.0, 1.0, 0.0, 1.0,
-0.5, 0.5, -0.5, 1.0, 0.0, 0.0, 0.0, 0.0,
-0.5, -0.5, -0.5, 0.0, 1.0, 0.0, 1.0, 0.0,
-0.5, -0.5, 0.5, 0.0, 0.0, 1.0, 1.0, 1.0,
-0.5, 0.5, 0.5, 1.0, 1.0, 1.0, 0.0, 1.0,
-0.5, -0.5, -0.5, 1.0, 0.0, 0.0, 0.0, 0.0,
0.5, -0.5, -0.5, 0.0, 1.0, 0.0, 1.0, 0.0,
0.5, -0.5, 0.5, 0.0, 0.0, 1.0, 1.0, 1.0,
-0.5, -0.5, 0.5, 1.0, 1.0, 1.0, 0.0, 1.0,
0.5, 0.5, -0.5, 1.0, 0.0, 0.0, 0.0, 0.0,
-0.5, 0.5, -0.5, 0.0, 1.0, 0.0, 1.0, 0.0,
-0.5, 0.5, 0.5, 0.0, 0.0, 1.0, 1.0, 1.0,
0.5, 0.5, 0.5, 1.0, 1.0, 1.0, 0.0, 1.0
]
cube = numpy.array(cube, dtype=numpy.float32)
indices = [
0, 1, 2, 2, 3, 0,
4, 5, 6, 6, 7, 4,
8, 9, 10, 10, 11, 8,
12, 13, 14, 14, 15, 12,
16, 17, 18, 18, 19, 16,
20, 21, 22, 22, 23, 20
]
indices = numpy.array(indices, dtype=numpy.uint32)
VAO = glGenVertexArrays(1)
glBindVertexArray(VAO)
shader = shaderLoader.compile_shader("./shaders/vertex_shader.vs", "./shaders/fragment_shader.fs")
VBO = glGenBuffers(1) # vertex buffer object for GPU
glBindBuffer(GL_ARRAY_BUFFER, VBO)
#upload data to array buffer
# buf type byte point type
glBufferData(GL_ARRAY_BUFFER, cube.itemsize * len(cube), cube, GL_STATIC_DRAW)
EBO = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.itemsize * len(indices), indices, GL_STATIC_DRAW)
#get position from vertex_shader variable
position = glGetAttribLocation(shader, "position")
glVertexAttribPointer(position, 3, GL_FLOAT, GL_FALSE, 32, ctypes.c_void_p(0))
glEnableVertexAttribArray(position)
#get color from vertex_shader program variable
color = glGetAttribLocation(shader, "color")
glVertexAttribPointer(color, 3, GL_FLOAT, GL_FALSE, 32, ctypes.c_void_p(12))
glEnableVertexAttribArray(color)
texture_cords = glGetAttribLocation(shader, "inTexCords")
glVertexAttribPointer(texture_cords, 2, GL_FLOAT, GL_FALSE, 32, ctypes.c_void_p(24))
glEnableVertexAttribArray(texture_cords)
#load texture
texture = glGenTextures(1)
glBindTexture(GL_TEXTURE_2D, texture)
# texture wrapping parametr
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT)
#texture filtering parametr
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
image = Image.open("./res/1.jpg")
flipped_image = image.transpose(Image.FLIP_TOP_BOTTOM)
image_data = numpy.array(list(flipped_image.getdata()), numpy.uint8)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 564, 555, 0, GL_RGB, GL_UNSIGNED_BYTE, image_data)
# glTexImage2D()
glUseProgram(shader)
glClearColor(.2, .3, .2, 1.0)
glEnable(GL_DEPTH_TEST)
# glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
#perspective part
# view matrix
view = pyrr.matrix44.create_from_translation(pyrr.Vector3([.0, .0, -3.0]))
# global view
# projection matrix
projection = pyrr.matrix44.create_perspective_projection(45.0, w_width / w_height, 0.1, 100.0)
# model position matrix
model = pyrr.matrix44.create_from_translation(pyrr.Vector3([0.0, 0.0, 0.0]))
view_location = glGetUniformLocation(shader, "view")
projection_location = glGetUniformLocation(shader, "projection")
model_location = glGetUniformLocation(shader, "model")
glUniformMatrix4fv(view_location, 1, GL_FALSE, view)
glUniformMatrix4fv(model_location, 1, GL_FALSE, model)
glUniformMatrix4fv(projection_location, 1, GL_FALSE, projection)
while not glfw.window_should_close(window):
glfw.poll_events()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
rot_x = pyrr.Matrix44.from_x_rotation(.5 * glfw.get_time())
rot_y = pyrr.Matrix44.from_y_rotation(.8 * glfw.get_time())
transform_location = glGetUniformLocation(shader, "transform")
glUniformMatrix4fv(transform_location, 1, GL_FALSE, rot_x * rot_y)
glUniformMatrix4fv(model_location, 1, GL_FALSE, model)
glDrawElements(GL_TRIANGLES, len(indices), GL_UNSIGNED_INT, None)
glfw.swap_buffers(window)
glfw.terminate()
def main(): if not opengl_init(): return glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE) # Set opengl clear color to something other than red (color used by the fragment shader) glClearColor(0,0,0.4,0) vertex_array_id = glGenVertexArrays(1) glBindVertexArray( vertex_array_id ) program_id = common.LoadShaders( ".\\shaders\\Tutorial3\\SimpleTransform.vertexshader", ".\\shaders\\Tutorial3\\SingleColor.fragmentshader" ) # Get a handle for our "MVP" uniform matrix_id= glGetUniformLocation(program_id, "MVP"); # Projection matrix : 45 Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units projection = mat4.perspective(45.0, 4.0 / 3.0, 0.1, 100.0) # Camera matrix view = mat4.lookat(vec3(4,3,3), # Camera is at (4,3,3), in World Space vec3(0,0,0), # and looks at the origin vec3(0,1,0)) # Model matrix : an identity matrix (model will be at the origin) model = mat4.identity() # Our ModelViewProjection : multiplication of our 3 matrices mvp = projection * view * model vertex_data = [-1.0, -1.0, 0.0, 1.0, -1.0, 0.0, 0.0, 1.0, 0.0] vertex_buffer = glGenBuffers(1); # GLFloat = c_types.c_float array_type = GLfloat * len(vertex_data) glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer) glBufferData(GL_ARRAY_BUFFER, len(vertex_data) * 4, array_type(*vertex_data), GL_STATIC_DRAW) while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window): glClear(GL_COLOR_BUFFER_BIT) glUseProgram(program_id) # Send our transformation to the currently bound shader, # in the "MVP" uniform glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data) # Bind vertex buffer data to the attribute 0 in our shader. # Note: This can also be done in the VAO itself (see vao_test.py) # Enable the vertex attribute at element[0], in this case that's the triangle's vertices # this could also be color, normals, etc. It isn't necessary to disable these # glEnableVertexAttribArray(0) glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer); glVertexAttribPointer( 0, # attribute 0. No particular reason for 0, but must match the layout in the shader. 3, # len(vertex_data) GL_FLOAT, # type GL_FALSE, # ormalized? 0, # stride null # array buffer offset (c_type == void*) ) # Draw the triangle ! glDrawArrays(GL_TRIANGLES, 0, 3) #3 indices starting at 0 -> 1 triangle # Not strictly necessary because we only have glDisableVertexAttribArray(0) # Swap front and back buffers glfw.swap_buffers(window) # Poll for and process events glfw.poll_events() # note braces around vertex_buffer and vertex_array_id. # These 2 functions expect arrays of values glDeleteBuffers(1, [vertex_buffer]) glDeleteProgram(program_id) glDeleteVertexArrays(1, [vertex_array_id]) glfw.terminate()
def main():
global delta_time, last_frame
if not glfw.init():
raise ValueError("Failed to initialize glfw")
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
window = glfw.create_window(SRC_WIDTH, SRC_HEIGHT, "learnOpenGL", None,
None)
if not window:
glfw.terminate()
raise ValueError("Failed to create window")
glfw.make_context_current(window)
glfw.set_framebuffer_size_callback(window, framebuffer_size_callback)
glfw.set_cursor_pos_callback(window, mouse_callback)
glfw.set_scroll_callback(window, scroll_callback)
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
gl.glEnable(gl.GL_DEPTH_TEST)
lamp_shader = Shader(CURDIR / "shaders/1.lamp.vs",
CURDIR / "shaders/1.lamp.fs")
lighting_shader = Shader(CURDIR / "shaders/4.1.lighting_maps.vs",
CURDIR / "shaders/4.1.lighting_maps.fs")
vertices = [
# positions normals texture coords
-0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
0.0,
0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
0.0,
0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
1.0,
0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
1.0,
-0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
1.0,
-0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
0.0,
-0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
0.0,
0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
0.0,
0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
1.0,
0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
1.0,
-0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
1.0,
-0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
0.0,
-0.5,
0.5,
0.5,
-1.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
0.5,
-0.5,
-1.0,
0.0,
0.0,
1.0,
1.0,
-0.5,
-0.5,
-0.5,
-1.0,
0.0,
0.0,
0.0,
1.0,
-0.5,
-0.5,
-0.5,
-1.0,
0.0,
0.0,
0.0,
1.0,
-0.5,
-0.5,
0.5,
-1.0,
0.0,
0.0,
0.0,
0.0,
-0.5,
0.5,
0.5,
-1.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.5,
0.5,
1.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.5,
-0.5,
1.0,
0.0,
0.0,
1.0,
1.0,
0.5,
-0.5,
-0.5,
1.0,
0.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
-0.5,
1.0,
0.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
0.5,
1.0,
0.0,
0.0,
0.0,
0.0,
0.5,
0.5,
0.5,
1.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
1.0,
1.0,
0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
1.0,
0.0,
0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
1.0,
0.0,
-0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
0.0,
0.0,
-0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
0.0,
1.0,
-0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
0.0,
1.0,
0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
1.0,
1.0,
0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
1.0,
0.0,
0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
1.0,
0.0,
-0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
0.0,
0.0,
-0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
0.0,
1.0
]
vertices = (c_float * len(vertices))(*vertices)
cube_vao = gl.glGenVertexArrays(1)
vbo = gl.glGenBuffers(1)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glBufferData(gl.GL_ARRAY_BUFFER, sizeof(vertices), vertices,
gl.GL_STATIC_DRAW)
gl.glBindVertexArray(cube_vao)
# -- position attribute
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE,
8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- normal attribute
gl.glVertexAttribPointer(1, 3, gl.GL_FLOAT,
gl.GL_FALSE, 8 * sizeof(c_float),
c_void_p(3 * sizeof(c_float)))
gl.glEnableVertexAttribArray(1)
# -- texture coordinate
gl.glVertexAttribPointer(2, 2, gl.GL_FLOAT,
gl.GL_FALSE, 8 * sizeof(c_float),
c_void_p(6 * sizeof(c_float)))
gl.glEnableVertexAttribArray(2)
# -- second configure light vao (vbo is the same)
light_vao = gl.glGenVertexArrays(1)
gl.glBindVertexArray(light_vao)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE,
8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- load texture
diffuse_map = load_texture("container2.png")
# -- shader configuration
lighting_shader.use()
lighting_shader.set_int("material.diffuse", 0)
while not glfw.window_should_close(window):
# -- time logic
current_frame = glfw.get_time()
delta_time = current_frame - last_frame
last_frame = current_frame
# -- input
process_input(window)
# -- render
gl.glClearColor(0.1, 0.1, 0.1, 1.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
lighting_shader.use()
lighting_shader.set_vec3("light.position", light_pos)
lighting_shader.set_vec3("viewPos", camera.position)
# -- light properties
lighting_shader.set_vec3("light.ambient", Vector3([0.2, 0.2, 0.2]))
lighting_shader.set_vec3("light.diffuse", Vector3([0.5, 0.5, 0.5]))
lighting_shader.set_vec3("light.specular", Vector3([1.0, 1.0, 1.0]))
# -- material properties
lighting_shader.set_vec3("material.specular", Vector3([0.5, 0.5, 0.5]))
lighting_shader.set_float("material.shininess", 32.0)
# -- view.projection transformations
projection = Matrix44.perspective_projection(camera.zoom,
SRC_WIDTH / SRC_HEIGHT,
0.1, 100.0)
view = camera.get_view_matrix()
lighting_shader.set_mat4("projection", projection)
lighting_shader.set_mat4("view", view)
# -- world transformation
model = Matrix44.identity()
lighting_shader.set_mat4("model", model)
# -- bind diffuse map
gl.glActiveTexture(gl.GL_TEXTURE0)
gl.glBindTexture(gl.GL_TEXTURE_2D, diffuse_map)
# -- render cube
gl.glBindVertexArray(cube_vao)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
# -- draw lamp object
lamp_shader.use()
lamp_shader.set_mat4("projection", projection)
lamp_shader.set_mat4("view", view)
model = Matrix44.identity()
model *= Matrix44.from_translation(light_pos)
model *= Matrix44.from_scale(Vector3([.2, .2, .2]))
lamp_shader.set_mat4("model", model)
gl.glBindVertexArray(light_vao)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
glfw.swap_buffers(window)
glfw.poll_events()
gl.glDeleteVertexArrays(1, id(cube_vao))
gl.glDeleteVertexArrays(1, id(light_vao))
gl.glDeleteBuffers(1, id(vbo))
glfw.terminate()
def capture_mouse(self):
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_DISABLED)
self.mouse_captured = True
def release_mouse(self):
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_NORMAL)
self.mouse_captured = False
def main():
# Initialize GLFW and open a window
if not opengl_init():
return
# Enable key events
glfw.set_input_mode(window,glfw.STICKY_KEYS,GL_TRUE)
glfw.set_cursor_pos(window, 1024/2, 768/2)
# Set opengl clear color to something other than red (color used by the fragment shader)
glClearColor(0.0,0.0,0.4,0.0)
# Enable depth test
glEnable(GL_DEPTH_TEST)
# Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS)
# Cull triangles which normal is not towards the camera
glEnable(GL_CULL_FACE)
vertex_array_id = glGenVertexArrays(1)
glBindVertexArray( vertex_array_id )
# Create and compile our GLSL program from the shaders
program_id = common.LoadShaders( ".\\shaders\\Tutorial9\\StandardShading.vertexshader",
".\\shaders\\Tutorial9\\StandardShading.fragmentshader" )
# Get a handle for our "MVP" uniform
matrix_id = glGetUniformLocation(program_id, "MVP")
view_matrix_id = glGetUniformLocation(program_id, "V")
model_matrix_id = glGetUniformLocation(program_id, "M")
# Load the texture
texture = textureutils.load_image(".\\content\\uvmap_suzanne.bmp")
# Get a handle for our "myTextureSampler" uniform
texture_id = glGetUniformLocation(program_id, "myTextureSampler")
# Read our OBJ file
vertices,faces,uvs,normals,colors = objloader.load(".\\content\\suzanne.obj")
vertex_data,uv_data,normal_data = objloader.process_obj( vertices,faces,uvs,normals,colors)
# Our OBJ loader uses Python lists, convert to ctype arrays before sending to OpenGL
vertex_data = objloader.generate_2d_ctypes(vertex_data)
uv_data = objloader.generate_2d_ctypes(uv_data)
normal_data = objloader.generate_2d_ctypes(normal_data)
indexed_vertices, indexed_uvs, indexed_normals, indices = vboindexer.indexVBO(vertex_data,uv_data,normal_data)
indexed_vertices = c_type_fill(indexed_vertices,GLfloat)
indexed_uvs = c_type_fill(indexed_uvs,GLfloat)
indexed_normals = c_type_fill(indexed_normals,GLfloat)
indices = c_type_fill_1D(indices,GLushort)
# Load OBJ in to a VBO
vertex_buffer = glGenBuffers(1);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer)
glBufferData(GL_ARRAY_BUFFER, len(indexed_vertices) * 4 * 3, indexed_vertices, GL_STATIC_DRAW)
uv_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer)
glBufferData(GL_ARRAY_BUFFER, len(indexed_uvs) * 4 * 2, indexed_uvs, GL_STATIC_DRAW)
normal_buffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer)
glBufferData(GL_ARRAY_BUFFER, len(indexed_normals) * 4 * 3, indexed_normals, GL_STATIC_DRAW)
# Generate a buffer for the indices as well
elementbuffer = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementbuffer)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, len(indices) * 2, indices , GL_STATIC_DRAW);
# vsync and glfw do not play nice. when vsync is enabled mouse movement is jittery.
common.disable_vsyc()
# Get a handle for our "LightPosition" uniform
glUseProgram(program_id);
light_id = glGetUniformLocation(program_id, "LightPosition_worldspace");
last_time = glfw.get_time()
frames = 0
while glfw.get_key(window,glfw.KEY_ESCAPE) != glfw.PRESS and not glfw.window_should_close(window):
glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT)
current_time = glfw.get_time()
if current_time - last_time >= 1.0:
glfw.set_window_title(window,"Tutorial 9. FPS: %d"%(frames))
frames = 0
last_time = current_time
glUseProgram(program_id)
controls.computeMatricesFromInputs(window)
ProjectionMatrix = controls.getProjectionMatrix();
ViewMatrix = controls.getViewMatrix();
ModelMatrix = mat4.identity();
mvp = ProjectionMatrix * ViewMatrix * ModelMatrix;
# Send our transformation to the currently bound shader,
# in the "MVP" uniform
glUniformMatrix4fv(matrix_id, 1, GL_FALSE,mvp.data)
glUniformMatrix4fv(model_matrix_id, 1, GL_FALSE, ModelMatrix.data);
glUniformMatrix4fv(view_matrix_id, 1, GL_FALSE, ViewMatrix.data);
lightPos = vec3(4,4,4)
glUniform3f(light_id, lightPos.x, lightPos.y, lightPos.z)
# Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
# Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(texture_id, 0);
#1rst attribute buffer : vertices
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glVertexAttribPointer(
0, # attribute 0. No particular reason for 0, but must match the layout in the shader.
3, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 2nd attribute buffer : colors
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, uv_buffer);
glVertexAttribPointer(
1, # attribute 1. No particular reason for 1, but must match the layout in the shader.
2, # len(vertex_data)
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# 3rd attribute buffer : normals
glEnableVertexAttribArray(2);
glBindBuffer(GL_ARRAY_BUFFER, normal_buffer);
glVertexAttribPointer(
2, # attribute
3, # size
GL_FLOAT, # type
GL_FALSE, # ormalized?
0, # stride
null # array buffer offset (c_type == void*)
)
# Draw the triangles, vertex data now contains individual vertices
# so use array length
# glDrawArrays(GL_TRIANGLES, 0, len(vertex_data))
# Index buffer
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementbuffer)
# Draw the triangles !
glDrawElements(
GL_TRIANGLES, # mode
len(indices), # count
GL_UNSIGNED_SHORT, # type
null # element array buffer offset
)
# Not strictly necessary because we only have
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
glDisableVertexAttribArray(2)
# Swap front and back buffers
glfw.swap_buffers(window)
# Poll for and process events
glfw.poll_events()
frames += 1
# !Note braces around vertex_buffer and uv_buffer.
# glDeleteBuffers expects a list of buffers to delete
glDeleteBuffers(1, [vertex_buffer])
glDeleteBuffers(1, [uv_buffer])
glDeleteBuffers(1, [normal_buffer])
glDeleteProgram(program_id)
glDeleteTextures([texture_id])
glDeleteVertexArrays(1, [vertex_array_id])
glfw.terminate()
def main():
global shader
vertex_src = """
# version 330
layout(location = 0) in vec3 a_position;
layout(location = 1) in vec2 a_texture;
layout(location = 2) in vec3 a_normal;
uniform mat4 model;
uniform mat4 projection;
uniform mat4 view;
out vec2 v_texture;
void main()
{
gl_Position = projection * view * model * vec4(a_position, 1.0);
v_texture = a_texture;
}
"""
fragment_src = """
# version 330
in vec2 v_texture;
out vec4 out_color;
uniform sampler2D s_texture;
void main()
{
out_color = texture(s_texture, v_texture);
}
"""
# initializing glfw library
if not glfw.init():
raise Exception("glfw can not be initialized!")
if "Windows" in pltf.platform():
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 4)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 6)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
else:
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 4)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 1)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
# creating the window
window = glfw.create_window(1280, 720, "My OpenGL window", None, None)
# check if window was created
if not window:
glfw.terminate()
raise Exception("glfw window can not be created!")
# set window's position
glfw.set_window_pos(window, 100, 100)
# set the callback function for window resize
glfw.set_window_size_callback(window, window_resize_clb)
# set the mouse position callback
glfw.set_cursor_pos_callback(window, mouse_look_clb)
# set the keyboard input callback
glfw.set_key_callback(window, key_input_clb)
# capture the mouse cursor
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
# make the context current
glfw.make_context_current(window)
# load here the 3d meshes
chibi_indices, chibi_buffer = ObjLoader.load_model("meshes/chibi.obj")
plane_buffer = [
0.0, 0.0, 0.0, 0.0, 0.0, 10.0, 0.0, 0.0, 1.0, 0.0, 10.0, 10.0, 0.0,
1.0, 1.0, 0.0, 10.0, 0.0, 0.0, 1.0
]
plane_buffer = np.array(plane_buffer, dtype=np.float32)
plane_indices = [0, 1, 2, 2, 3, 0]
plane_indices = np.array(plane_indices, dtype=np.uint32)
# VAO and VBO
VAO = glGenVertexArrays(2)
VBO = glGenBuffers(2)
EBO = glGenBuffers(1)
# Chibi VAO
glBindVertexArray(VAO[0])
shader = compileProgram(compileShader(vertex_src, GL_VERTEX_SHADER),
compileShader(fragment_src, GL_FRAGMENT_SHADER))
# Chibi Vertex Buffer Object
glBindBuffer(GL_ARRAY_BUFFER, VBO[0])
glBufferData(GL_ARRAY_BUFFER, chibi_buffer.nbytes, chibi_buffer,
GL_STATIC_DRAW)
# chibi vertices
glEnableVertexAttribArray(0)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, chibi_buffer.itemsize * 8,
ctypes.c_void_p(0))
# chibi textures
glEnableVertexAttribArray(1)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, chibi_buffer.itemsize * 8,
ctypes.c_void_p(12))
# chibi normals
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, chibi_buffer.itemsize * 8,
ctypes.c_void_p(20))
glEnableVertexAttribArray(2)
# Plane VAO
glBindVertexArray(VAO[1])
# Plane Vertex Buffer Object
glBindBuffer(GL_ARRAY_BUFFER, VBO[1])
glBufferData(GL_ARRAY_BUFFER, plane_buffer.nbytes, plane_buffer,
GL_STATIC_DRAW)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, plane_indices.nbytes, plane_indices,
GL_STATIC_DRAW)
# plane vertices
glEnableVertexAttribArray(0)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, plane_buffer.itemsize * 5,
ctypes.c_void_p(0))
# plane textures
glEnableVertexAttribArray(1)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, plane_buffer.itemsize * 5,
ctypes.c_void_p(12))
textures = glGenTextures(2)
load_texture("meshes/chibi.png", textures[0])
# create texture for the plane
glBindTexture(GL_TEXTURE_2D, textures[1])
# texture wrapping params
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT)
# texture filtering params
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1280, 720, 0, GL_RGBA,
GL_UNSIGNED_BYTE, None)
glBindTexture(GL_TEXTURE_2D, 0)
depth_buff = glGenRenderbuffers(1)
glBindRenderbuffer(GL_RENDERBUFFER, depth_buff)
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, 1280, 720)
FBO = glGenFramebuffers(1)
glBindFramebuffer(GL_FRAMEBUFFER, FBO)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
textures[1], 0)
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_RENDERBUFFER, depth_buff)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
glUseProgram(shader)
glClearColor(0, 0.1, 0.1, 1)
glEnable(GL_DEPTH_TEST)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
projection = pyrr.matrix44.create_perspective_projection_matrix(
45, 1280 / 720, 0.1, 100)
chibi_pos_main = pyrr.matrix44.create_from_translation(
pyrr.Vector3([0, 0, -5]))
plane_pos = pyrr.matrix44.create_from_translation(
pyrr.Vector3([-20, -3, -10]))
model_loc = glGetUniformLocation(shader, "model")
proj_loc = glGetUniformLocation(shader, "projection")
view_loc = glGetUniformLocation(shader, "view")
glUniformMatrix4fv(proj_loc, 1, GL_FALSE, projection)
glUseProgram(0)
# the main application loop
while not glfw.window_should_close(window):
glfw.poll_events()
do_movement()
glClearColor(0, 0.1, 0.1, 1)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
view = cam.get_view_matrix()
glUseProgram(shader)
glUniformMatrix4fv(view_loc, 1, GL_FALSE, view)
rot_y = pyrr.Matrix44.from_y_rotation(0.8 * glfw.get_time())
model = pyrr.matrix44.multiply(rot_y, chibi_pos_main)
# draw the chibi character
glBindVertexArray(VAO[0])
glBindTexture(GL_TEXTURE_2D, textures[0])
glUniformMatrix4fv(model_loc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, len(chibi_indices))
# draw the chibi to the custom frame buffer
glBindFramebuffer(GL_FRAMEBUFFER, FBO)
glClearColor(0.0, 0.0, 0.0, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glDrawArrays(GL_TRIANGLES, 0, len(chibi_indices))
glBindVertexArray(0)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# draw the plane
glBindVertexArray(VAO[1])
glBindTexture(GL_TEXTURE_2D, textures[1])
glUniformMatrix4fv(model_loc, 1, GL_FALSE, plane_pos)
glDrawElements(GL_TRIANGLES, len(plane_indices), GL_UNSIGNED_INT, None)
glUseProgram(0)
glfw.swap_buffers(window)
# terminate glfw, free up allocated resources
glfw.terminate()
