def render(time):
glClearBufferfv(GL_COLOR, 0, [0.0, 0.0, 0.0, 1.0])
glClearBufferfi(GL_DEPTH_STENCIL, 0, 1.0, 0)
M_matrix = glm.mat4(1.0)
V_matrix = glm.lookAt(glm.vec3(0.0, 0.0, 12.0), glm.vec3(3.0, 3.0, 3.0),
glm.vec3(0.0, 1.0, 0.0))
glUseProgram(rendering_program)
M_location = glGetUniformLocation(rendering_program, "M_matrix")
V_location = glGetUniformLocation(rendering_program, "V_matrix")
P_location = glGetUniformLocation(rendering_program, "P_matrix")
glUniformMatrix4fv(V_location, 1, GL_FALSE, glm.value_ptr(V_matrix))
glUniformMatrix4fv(P_location, 1, GL_FALSE, glm.value_ptr(P_matrix))
for i in range(10):
for i in range(10):
M_matrix = glm.translate(M_matrix, glm.vec3(1.0, 0.0, 0.0))
M_matrix = glm.rotate(M_matrix, time, glm.vec3(1.0, 1.0, 0.0))
glUniformMatrix4fv(M_location, 1, GL_FALSE,
glm.value_ptr(M_matrix))
glDrawArrays(GL_TRIANGLES, 0, 36)
M_matrix = glm.rotate(M_matrix, time, glm.vec3(-1.0, -1.0, 0.0))
M_matrix = glm.translate(M_matrix, glm.vec3(-10.0, 1.0, 0.0))
def drawObject(self):
# Update camera
model, view, proj = glm.mat4(1), glm.mat4(1), glm.perspective(45, self.width() / self.height(), 0.01, 100)
center, up, eye = glm.vec3(0, -0.075, 0), glm.vec3(0, -1, 0), glm.vec3(0, 0, -0.4 * (self.zoomLevel / 10))
view = glm.lookAt(eye, center, up)
model = glm.rotate(model, self.xRot / 160.0, glm.vec3(1, 0, 0))
model = glm.rotate(model, self.yRot / 160.0, glm.vec3(0, 1, 0))
model = glm.rotate(model, self.zRot / 160.0, glm.vec3(0, 0, 1))
mvp = proj * view * model
GL.glUniformMatrix4fv(self.UNIFORM_LOCATIONS['mvp'], 1, False, glm.value_ptr(mvp))
# Update data
self.pos_vbo.set_array(self.pos)
self.col_vbo.set_array(self.col)
# Point size
GL.glPointSize(2)
# Position
self.pos_vbo.bind()
GL.glEnableVertexAttribArray(0)
GL.glVertexAttribPointer(0, 3, GL.GL_FLOAT, GL.GL_FALSE, 0, None)
# Color
self.col_vbo.bind()
GL.glEnableVertexAttribArray(1)
GL.glVertexAttribPointer(1, 3, GL.GL_FLOAT, GL.GL_FALSE, 0, None)
# Draw
GL.glDrawArrays(GL.GL_POINTS, 0, self.pos.shape[0])
def render_scene(time, cam1, view, projection):
# Light source: lamp
light_color = glm.vec3(1, 1, 1)
light_position = glm.vec3(np.cos(time), 1.5, np.sin(time))
# Ground
glBindVertexArray(vao1)
glUseProgram(shader_solid)
model = glm.identity(4)
model = glm.rotate(np.pi*0.5, glm.vec3(1, 0, 0)) * model
glUniform3fv(glGetUniformLocation(shader_solid, "solid_color"), 1, glm.vec3(0, 0, 1))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices1), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
# Big Cube
glBindVertexArray(vao2)
glUseProgram(shader_basic_lighting)
model = glm.identity(4)
model = glm.translate(glm.vec3(.0, 0.5, .0)) * model
# model = model * glm.rotate(1.0 * np.pi * time, glm.vec3(1, 1, 0.2))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_color"), 1, light_color)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_pos"), 1, light_position)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "object_color"), 1, glm.vec3(1, .5, .31))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "view_pos"), 1, cam1.position)
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "model"), 1, GL_TRUE, np.asarray(model))
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# Small cube
glBindVertexArray(vao2)
model = glm.identity(4)
model = model * glm.translate(glm.vec3(.75, .95, 0))
model = model * glm.rotate(3.0 * np.pi * time, glm.vec3(1, -.2, 0.8))
model = model * glm.scale(glm.vec3(.1, .1, 0.2))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_color"), 1, light_color)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_pos"), 1, light_position)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "object_color"), 1, glm.vec3(1, 0, 0))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "view_pos"), 1, cam1.position)
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "model"), 1, GL_TRUE, np.array(model))
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# Lamp
glUseProgram(shader_solid)
glBindVertexArray(vao_lamp)
model = glm.translate(light_position)
model = model * glm.scale(glm.vec3(.2, .2, .2))
glUniform3fv(glGetUniformLocation(shader_solid, "solid_color"), 1, glm.vec3(1, 1, 1))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices3), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def on_draw(self):
self.gui_newFrame()
self.ctx.clear()
# self.ctx.clear(0.0/255, 20.0/255, 60.0/255)
self.ctx.enable_only(moderngl.CULL_FACE | moderngl.DEPTH_TEST)
mat_rotx = glm.rotate(glm.mat4(1.0), -self.camera_roty,
glm.vec3(1.0, 0.0, 0.0))
mat_roty = glm.rotate(glm.mat4(1.0), self.camera_rotx,
glm.vec3(0.0, 1.0, 0.0))
mat_rotz = glm.rotate(glm.mat4(1.0), 0.0, glm.vec3(0.0, 0.0, 1.0))
translate = glm.translate(glm.mat4(1.0),
glm.vec3(0.0, 0.0, self.camera_z))
modelview = np.array(translate * mat_rotx * mat_roty *
mat_rotz).flatten()
self.program_boids['modelview'] = tuple(modelview)
self.program_border['modelview'] = tuple(modelview)
self.program_lines['modelview'] = tuple(modelview)
self.compass.render(mode=moderngl.LINES)
self.vao_1.render(instances=self.boid_count)
if (self.map_type == MAP_CUBE or self.map_type == MAP_CUBE_T):
self.borders.render(mode=moderngl.LINES)
self.gui_draw()
def display():
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
elapsed_ms = glutGet(GLUT_ELAPSED_TIME)
projection = glm.perspective(glm.radians(60), aspect, 0.1, 20.0)
view = glm.lookAt(glm.vec3(-1, -8, 4), glm.vec3(-1, 0, -1), glm.vec3(0, 0, 1))
angle = 0#elapsed_ms * math.pi * 2 / 10000.0
model = glm.rotate(glm.mat4(1), glm.radians(-30), glm.vec3(0, 0, 1))
model = glm.rotate(model, angle, glm.vec3(0, 1, 0))
model = glm.scale(model, glm.vec3(1, 5, 0.2))
glUniformMatrix4fv(0, 1, GL_FALSE, glm.value_ptr(projection))
glUniformMatrix4fv(1, 1, GL_FALSE, glm.value_ptr(view))
glUniformMatrix4fv(2, 1, GL_FALSE, glm.value_ptr(model))
glUniform3f(10, 50/255, 40/255, 30/255)
glUniform3f(11, 200/255, 150/255, 100/255)
glUniform1f(12, 1.0) # frequency
glUniform1f(13, 10.0) # noiseScale
glUniform1f(14, 0.1) # ringScale
glUniform1f(15, 1.0) # contrast
glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_INT, None)
glutSwapBuffers()
glutPostRedisplay()
def render_scene():
global model, view
global x_theta, y_theta, z_theta, r_time
r_time += 0.02
if x_rotate:
x_theta = 0.02
elif not x_rotate:
x_theta = 0
if y_rotate:
y_theta = 0.02
elif not y_rotate:
y_theta = 0
if z_rotate:
z_theta = 0.02
elif not z_rotate:
z_theta = 0
model = glm.rotate(model, x_theta, np.array([1, 0, 0], 'f4'))
model = glm.rotate(model, y_theta, np.array([0, 1, 0], 'f4'))
model = glm.rotate(model, z_theta, np.array([0, 0, 1], 'f4'))
prog['model'].write(model)
cam_x = np.sin(r_time) * swivel_radius
cam_z = np.cos(r_time) * swivel_radius
view = glm.lookAt(np.array((cam_x, 0, cam_z), 'f4'), camtarget, camup)
prog['view'].write(view)
vao.render(moderngl.TRIANGLES)
def getViewMat(self) -> glm.mat4:
mat = glm.mat4(1)
mat = glm.rotate(mat, glm.radians(self.__degrees.x), glm.vec3(1, 0, 0))
mat = glm.rotate(mat, glm.radians(self.__degrees.y), glm.vec3(0, 1, 0))
mat = glm.translate(mat, -self.pos.getVec())
return mat
def update_matrices(self):
# create projection matrix
self.p_matrix = glm.perspective(
glm.radians(options.FOV + 20 * (self.speed - WALKING_SPEED) /
(SPRINTING_SPEED - WALKING_SPEED)),
float(self.view_width) / self.view_height, 0.1, 500)
# create modelview matrix
self.mv_matrix = glm.mat4(1.0)
self.mv_matrix = glm.rotate(self.mv_matrix, self.rotation[1],
-glm.vec3(1.0, 0.0, 0.0))
self.mv_matrix = glm.rotate(self.mv_matrix,
self.rotation[0] + math.tau / 4,
glm.vec3(0.0, 1.0, 0.0))
self.position = glm.vec3(*self.position)
self.mv_matrix = glm.translate(
self.mv_matrix, -glm.vec3(*self.interpolated_position) -
glm.vec3(0, self.eyelevel, 0))
# modelviewprojection matrix
self.shader.uniform_matrix(self.mvp_matrix_location,
self.p_matrix * self.mv_matrix)
self.update_frustum(self.p_matrix * self.mv_matrix)
def updateUniformBuffers(self):
# see https://matthewwellings.com/blog/the-new-vulkan-coordinate-system/
#vulk=glm.mat4((1,0,0,0),(0,-1,0,0),(0,0,0.5,0),(0,0,0.5,1))
#self.uboVS['projectionMatrix'] = vulk*glm.perspective(glm.radians(60.0), self.width / self.height, 0.1, 256.0)
#self.uboVS['projectionMatrix'] = glm.perspectiveRH_ZO(glm.radians(60.0), self.width / self.height, 0.1, 256.0)
self.uboVS['projectionMatrix'] = glm.transpose(
glm.perspectiveRH_ZO(glm.radians(60.0), self.width / self.height,
0.1, 256.0))
self.uboVS['viewMatrix'] = glm.transpose(
glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, self.zoom)))
self.uboVS['modelMatrix'] = glm.mat4(1.0)
self.uboVS['modelMatrix'] = glm.rotate(self.uboVS['modelMatrix'],
glm.radians(self.rotation.x),
glm.vec3(1.0, 0.0, 0.0))
self.uboVS['modelMatrix'] = glm.rotate(self.uboVS['modelMatrix'],
glm.radians(self.rotation.y),
glm.vec3(0.0, 1.0, 0.0))
self.uboVS['modelMatrix'] = glm.rotate(self.uboVS['modelMatrix'],
glm.radians(self.rotation.z),
glm.vec3(0.0, 0.0, 1.0))
uboVSSize = sum([glm.sizeof(ubo) for ubo in self.uboVS.values()])
uboVSBuffer = np.concatenate(
(np.array(self.uboVS['projectionMatrix']).flatten(order='C'),
np.array(self.uboVS['modelMatrix']).flatten(order='C'),
np.array(self.uboVS['viewMatrix']).flatten(order='C')))
data = vk.vkMapMemory(self.device, self.uniformBufferVS['memory'], 0,
uboVSSize, 0)
datawrapper = np.array(data, copy=False)
np.copyto(datawrapper, uboVSBuffer.view(dtype=np.uint8), casting='no')
vk.vkUnmapMemory(self.device, self.uniformBufferVS['memory'])
def drawFunc():
# Gets called in a loop
glClearColor(1.0, 1.0, 1.0, 0.0)
# Set clear color to white
glClearDepth(1.0)
glPointSize(5)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# FOV, AspectRatio, near, far
projection = glm.perspective(glm.radians(camera.zoom),
SCR_WIDTH * 1.0 / SCR_HEIGHT, 0.1, 200)
view = camera.get_view_matrix()
robot_program.use()
# Load matrices in shader through set_matrix function
robot_program.set_matrix("projection", glm.value_ptr(projection))
robot_program.set_matrix("view", glm.value_ptr(view))
m = glm.mat4(1.0)
m = glm.rotate(m, glm.radians(-90), glm.vec3(1, 0, 0))
m = glm.rotate(m, glm.radians(30), glm.vec3(0, 0, 1))
robot_program.set_matrix("model", glm.value_ptr(m))
robot_program.un_use()
time0 = glfw.get_time()
human_model.animation(robot_program, speed)
time1 = glfw.get_time()
delta_time = (time1 - time0)
if delta_time < 16:
time.sleep((16 - delta_time) / 1000)
def draw(self, view, projection, light, view_position):
this_mesh_renderer: Optional[MeshRenderer] = self.get_component(
MeshRenderer)
this_mesh_filter: Optional[MeshFilter] = self.get_component(MeshFilter)
if this_mesh_renderer is not None:
this_mesh_renderer.use()
m = glm.translate(glm.mat4(1), self.transform.position)
for c in self.draw_rotate:
if c == 'x':
m = glm.rotate(m, glm.radians(self.transform.rotation.x),
glm.vec3(1, 0, 0))
elif c == 'y':
m = glm.rotate(m, glm.radians(self.transform.rotation.y),
glm.vec3(0, 1, 0))
elif c == 'z':
m = glm.rotate(m, glm.radians(self.transform.rotation.z),
glm.vec3(0, 0, 1))
m = glm.scale(m, self.transform.scale)
model, view, projection = self.renderer(model=m,
view=view,
projection=projection)
this_mesh_renderer.set_matrix('model', glm.value_ptr(model))
this_mesh_renderer.set_matrix('view', glm.value_ptr(view))
this_mesh_renderer.set_matrix('projection',
glm.value_ptr(projection))
this_mesh_renderer.draw(light_tuple=light,
view_position=view_position)
# this_mesh_renderer.un_use()
if this_mesh_filter is not None:
this_mesh_filter.draw()
def mainloop():
vp_valid, vp_size, view, projection = glut_navigation.update()
angle1 = elapsed_ms() * math.pi * 2 / 5000.0
angle2 = elapsed_ms() * math.pi * 2 / 7333.0
model_matrices = []
for i in range(no_of_meshes):
if i == 0:
model = glm.mat4(1)
model = glm.translate(model, glm.vec3(0, 0, -1))
else:
angleY = angle1 + math.pi*2 * (i-1) / (no_of_meshes-1)
model = glm.mat4(1)
model = glm.rotate(model, angleY, glm.vec3(0, 0, 0.5))
model = glm.translate(model, glm.vec3(diameter/2, 0, 0.5))
model = glm.rotate(model, angle2, glm.vec3(0, 1, 0))
model_matrices.append(model)
light_pos = glm.vec3(0, 0, 3)
light_dir = glm.vec3(0, 0, -1)
light_cone_angle_degree = 60
light_cone_cos = math.cos(math.radians(light_cone_angle_degree) / 2)
shadow_proj = glm.perspective(glm.radians(light_cone_angle_degree + 1), 1, 0.1, 100.0)
shadow_view = glm.lookAt(light_pos, light_pos+light_dir, glm.vec3(0,1,0))
glBindBuffer(GL_SHADER_STORAGE_BUFFER, model_ssbo)
for i, model in enumerate(model_matrices):
glBufferSubData(GL_SHADER_STORAGE_BUFFER, i*4*16, glm.sizeof(glm.mat4), glm.value_ptr(model))
glBindFramebuffer(GL_FRAMEBUFFER, shadow_fbo)
glViewport(0, 0, *shadow_buffer_size)
glClear(GL_DEPTH_BUFFER_BIT)
glUseProgram(shadow_program)
glUniformMatrix4fv(0, 1, GL_FALSE, glm.value_ptr(shadow_proj))
glUniformMatrix4fv(1, 1, GL_FALSE, glm.value_ptr(shadow_view))
glEnable(GL_POLYGON_OFFSET_FILL)
glPolygonOffset(1.0, 1.0)
model_multimesh.draw()
glDisable(GL_POLYGON_OFFSET_FILL)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
glViewport(0, 0, *vp_size)
glClearColor(0.2, 0.3, 0.3, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(phong_program)
glUniformMatrix4fv(0, 1, GL_FALSE, glm.value_ptr(projection))
glUniformMatrix4fv(1, 1, GL_FALSE, glm.value_ptr(view))
glUniformMatrix4fv(2, 1, GL_FALSE, glm.value_ptr(shadow_proj))
glUniformMatrix4fv(3, 1, GL_FALSE, glm.value_ptr(shadow_view))
glUniform4fv(4, 1, glm.value_ptr(glm.vec4(light_pos, 1)))
glUniform4fv(5, 1, glm.value_ptr(glm.vec4(light_dir, light_cone_cos)))
glBindTextureUnit(1, shadow_depth_to)
model_multimesh.draw()
glutSwapBuffers()
glutPostRedisplay()
def renderGL(self):
"""opengl render method"""
# get the time in seconds
t = glfwGetTime()
# clear first
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# use the shader program
glUseProgram(self.__shaderProgram)
# calculate ViewProjection matrix
projection = glm.perspective(90.0, 4.0 / 3.0, .1, 100.0)
projection = np.array(projection, dtype=np.float32)
# translate the world/view position
view = glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, -50.0))
# make the camera rotate around the origin
view = glm.rotate(view, 30.0 * math.sin(t * 0.1), glm.vec3(1.0, 0.0, 0.0))
view = glm.rotate(view, -22.5 * t, glm.vec3(0.0, 1.0, 0.0))
view = np.array(view, dtype=np.float32)
# set the uniform
glUniformMatrix4fv(self.__viewLocation, 1, GL_FALSE, view)
glUniformMatrix4fv(self.__projLocation, 1, GL_FALSE, projection)
# bind the vao
glBindVertexArray(self.__vao)
# draw
glDrawArrays(GL_POINTS, 0, self.__particles)
glBindVertexArray(0)
glUseProgram(0)
def cpu_tick(self, elapsed_time):
SPD = 5.0
is_MVP_dirty = False
for key in self.pressing_keys:
if key == glfw.KEY_LEFT or key == glfw.KEY_A:
self.view = glm.rotate(self.view, +SPD * elapsed_time,
glm.vec3(0.0, 1.0, 0.0))
is_MVP_dirty = True
elif key == glfw.KEY_RIGHT or key == glfw.KEY_D:
self.view = glm.rotate(self.view, -SPD * elapsed_time,
glm.vec3(0.0, 1.0, 0.0))
is_MVP_dirty = True
elif key == glfw.KEY_UP or key == glfw.KEY_W:
self.view = glm.rotate(self.view, +SPD * elapsed_time,
glm.vec3(0.0, 0.0, 1.0))
is_MVP_dirty = True
elif key == glfw.KEY_DOWN or key == glfw.KEY_S:
self.view = glm.rotate(self.view, -SPD * elapsed_time,
glm.vec3(0.0, 0.0, 1.0))
is_MVP_dirty = True
if is_MVP_dirty:
is_MVP_dirty = False
self.MVP = self.projection * self.view * self.model
def render(self, shadersDict):
for entity in shadersDict:
shadersDict[entity][0].use()
e = entity
model = entity.model
glBindVertexArray(model.vao)
transform = glm.identity(glm.mat4x4)
transform = glm.translate(transform,
glm.vec3(e.pos.x, e.pos.y, e.pos.z))
transform = glm.rotate(transform, glm.radians(e.angle_x),
glm.vec3(1, 0, 0)) # x-axis
transform = glm.rotate(transform, glm.radians(e.angle_y),
glm.vec3(0, 1, 0)) # y-axis
transform = glm.rotate(transform, glm.radians(e.angle_z),
glm.vec3(0, 0, 1)) # z-axis
transform = glm.scale(transform,
glm.vec3(e.scale.x, e.scale.y, e.scale.z))
shadersDict[entity][0].setMatrix4f("mat_transform", transform)
if shadersDict[entity][1]:
glDrawElements(GL_TRIANGLES, model.indices_len,
GL_UNSIGNED_INT, None)
else:
glDrawArrays(GL_TRIANGLES, 0, model.vertex_count)
def updateUniformBuffers(self):
self.uboVS['projection'] = glm.transpose(
glm.perspectiveRH_ZO(glm.radians(60.0), self.width / self.height,
0.001, 256.0))
view = glm.transpose(
glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, self.zoom)))
self.uboVS['model'] = view * glm.translate(glm.mat4(1.0),
self.cameraPos)
self.uboVS['model'] = glm.rotate(self.uboVS['model'],
glm.radians(self.rotation.x),
glm.vec3(1.0, 0.0, 0.0))
self.uboVS['model'] = glm.rotate(self.uboVS['model'],
glm.radians(self.rotation.y),
glm.vec3(0.0, 1.0, 0.0))
self.uboVS['model'] = glm.rotate(self.uboVS['model'],
glm.radians(self.rotation.z),
glm.vec3(0.0, 0.0, 1.0))
self.uboVS['viewPos'] = glm.vec4(0.0, 0.0, -self.zoom, 0.0)
uboVSSize = sum([glm.sizeof(ubo) for ubo in self.uboVS.values()])
uboVSBuffer = np.concatenate(
(np.array(self.uboVS['projection']).flatten(order='C'),
np.array(self.uboVS['model']).flatten(order='C'),
np.array(self.uboVS['viewPos']).flatten(order='C'),
np.array(self.uboVS['lodBias']).flatten(order='C')))
self.uniformBufferVS.map()
self.uniformBufferVS.copyTo(uboVSBuffer, uboVSSize)
self.uniformBufferVS.unmap()
def rotate_yaw_pitch_row(eulers):
# type: (Vector3) -> Matrix4
m = Matrix4.identity()
# NOTE in zxy order
m = glm.rotate(m, eulers.z, Vector3(0, 0, 1))
m = glm.rotate(m, eulers.x, Vector3(1, 0, 0))
m = glm.rotate(m, eulers.y, Vector3(0, 1, 0))
return m
def getView(self):
self.viewMatrix = glm.identity(glm.mat4x4)
self.viewMatrix = glm.rotate(self.viewMatrix, glm.radians(self.pitch), glm.vec3(1, 0, 0)) # x-axis
self.viewMatrix = glm.rotate(self.viewMatrix, glm.radians(self.yaw), glm.vec3(0, 1, 0)) # y-axis
self.viewMatrix = glm.rotate(self.viewMatrix, glm.radians(self.roll), glm.vec3(0, 0, 1)) # z-axis
self.offsetCamera = glm.vec3(-self.x, -self.y, -self.z)
self.viewMatrix = glm.translate(self.viewMatrix, self.offsetCamera)
return self.viewMatrix
def CreateTransform3D(pos: glm.vec3, size: glm.vec3,
rot: glm.vec3) -> glm.mat4:
transform = glm.translate(glm.mat4(1.0), pos)
transform = glm.scale(transform, size)
transform = glm.rotate(transform, rot.x, glm.vec3(1.0, 0.0, 0.0))
transform = glm.rotate(transform, rot.y, glm.vec3(0.0, 1.0, 0.0))
return glm.rotate(transform, rot.z, glm.vec3(0.0, 0.0, 1.0))
def orbit(m: glm.mat4, dx: float, dy: float):
horizontal_axis = glm.vec3(m[0][0], m[1][0], m[2][0])
vertical_axis = glm.vec3(0, 1, 0)
m *= glm.rotate(np.eye(4, dtype=np.float32), dy * 0.006, horizontal_axis)
m *= glm.rotate(np.eye(4, dtype=np.float32), dx * 0.006, vertical_axis)
return m
def getDirVec(self):
vec = glm.vec4(0, 0, -1, 0)
vec = glm.rotate(glm.mat4(1), glm.radians(-self.__degrees.x),
(1, 0, 0)) * vec
vec = glm.rotate(glm.mat4(1), glm.radians(-self.__degrees.y),
(0, 1, 0)) * vec
return glm.normalize(vec)
def getView(self):
m = glm.mat4(1.0)
m = glm.translate(m, self.offset)
m = glm.rotate(m, glm.radians(self.pitch), (1, 0, 0))
m = glm.rotate(m, glm.radians(self.yaw), (0, 1, 0))
m = glm.translate(m, self.pos)
return m
def getModelMat(self):
mat = glm.mat4(1.0)
mat = glm.rotate(mat, glm.radians(self.__z), (0.0, 0.0, 1.0))
mat = glm.rotate(mat, glm.radians(self.__y), (0.0, 1.0, 0.0))
mat = glm.rotate(mat, glm.radians(self.__x), (1.0, 0.0, 0.0))
return mat
def getViewMatrix(self):
i = glm.mat4(1)
camTranslate = glm.translate(i, self.camPosition)
camPitch = glm.rotate(i, glm.radians( self.camRotation.x ), glm.vec3(1,0,0))
camYaw = glm.rotate(i, glm.radians( self.camRotation.y ), glm.vec3(0,1,0))
camRoll = glm.rotate(i, glm.radians( self.camRotation.z ), glm.vec3(0,0,1))
camRotate = camPitch * camYaw * camRoll
return glm.inverse( camTranslate * camRotate )
def render():
glClearColor(0, 0, 0, 0.0)
glClearDepth(1.0)
glPointSize(5)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = glm.perspective(
glm.radians(camera.zoom),
window.window_width * 1.0 / window.window_height, 0.1, 1000)
view = camera.get_view_matrix()
#
# draw grid
shader_program.use()
shader_program.set_matrix("projection", glm.value_ptr(projection))
shader_program.set_matrix("view", glm.value_ptr(view))
m = glm.mat4(1.0)
m = glm.translate(m, grid_position[2])
m = glm.rotate(m, glm.radians(90), grid_position[1][1])
m = glm.scale(m, glm.vec3(5))
shader_program.set_matrix("model", glm.value_ptr(m))
shader_program.un_use()
grid_model.draw(shader_program, draw_type=GL_LINES)
#
# draw hand
hand_shader_program.use()
hand_shader_program.set_matrix("projection", glm.value_ptr(projection))
hand_shader_program.set_matrix("view", glm.value_ptr(view))
m = glm.mat4(1.0)
m = glm.translate(m, glm.vec3(0, 6, 0))
m = glm.rotate(m, glm.radians(-90), glm.vec3(1, 0, 0))
# m = glm.rotate(m, glm.radians(model_position[1][1][0]), model_position[1][1][1])
# m = glm.rotate(m, glm.radians(model_position[1][2][0]), model_position[1][2][1])
m = glm.scale(m, glm.vec3(0.02, 0.02, 0.02))
hand_shader_program.set_matrix("model", glm.value_ptr(m))
hand_shader_program.set_uniform_3f("lightColor", light_color)
hand_shader_program.set_uniform_3f("lightPos", light_position)
hand_shader_program.set_uniform_3f("handColor", hand_color)
hand_shader_program.un_use()
hand_model.draw(hand_shader_program, draw_type=GL_TRIANGLES)
#
# draw light cube
light_shader_program.use()
light_shader_program.set_matrix("projection", glm.value_ptr(projection))
light_shader_program.set_matrix("view", glm.value_ptr(view))
m = glm.mat4(1.0)
m = glm.translate(
m, glm.vec3(light_position[0], light_position[1], light_position[2]))
m = glm.scale(m, glm.vec3(1, 1, 1))
light_shader_program.set_matrix("model", glm.value_ptr(m))
light_shader_program.set_uniform_3f("lightColor", light_color)
light_shader_program.un_use()
light_cube.draw(light_shader_program, draw_type=GL_TRIANGLES)
def getMatrix(self):
i = glm.mat4(1)
translate = glm.translate(i, self.position)
pitch = glm.rotate(i, glm.radians(self.rotation.x), glm.vec3(1, 0, 0))
yaw = glm.rotate(i, glm.radians(self.rotation.y), glm.vec3(0, 1, 0))
roll = glm.rotate(i, glm.radians(self.rotation.z), glm.vec3(0, 0, 1))
rotate = pitch * yaw * roll
scale = glm.scale(i, self.scale)
return translate * rotate * scale
def refresh_MVP(self):
self.P = glm.perspective(np.radians(self.view_angle), self.width/self.height, 1, 3)
self.MV = glm.translate(glm.mat4(), glm.vec3(self.position_x, self.position_y, -2))
self.MV = glm.rotate(self.MV, np.radians(self.angle_x), glm.vec3(1,0,0))
self.MV = glm.rotate(self.MV, np.radians(self.angle_y), glm.vec3(0,1,0))
self.MVP = np.array(self.P * self.MV)
self.MV = np.array(self.MV)
def build_transformation_matrix(position, rotation, scale):
mat = glm.mat4x4(1.0)
mat = glm.translate(mat, position)
mat = glm.rotate(mat, rotation.z, glm.vec3(1, 0, 0))
mat = glm.rotate(mat, rotation.y, glm.vec3(0, 1, 0))
mat = glm.rotate(mat, rotation.x, glm.vec3(0, 0, 1))
mat = glm.scale(mat, scale)
return mat
def getMatrix(self, camera_pos, projection, camera_rot):
i = glm.mat4(1)
translate = glm.translate(i, glm.vec3(0, 0, 0))
pitch = glm.rotate(i, glm.radians(self.rotation.x), glm.vec3(1, 0, 0))
yaw = glm.rotate(i, glm.radians(self.rotation.y), glm.vec3(0, 1, 0))
roll = glm.rotate(i, glm.radians(self.rotation.z), glm.vec3(0, 0, 1))
rotate = pitch * yaw * roll
scale = glm.scale(i, self.scale)
view = glm.lookAt(camera_pos, self.position, glm.vec3(0, 1, 0))
return translate * rotate * scale
def update(self):
self.model_matrix = glm.mat4(1.0)
self.model_matrix = glm.translate(self.model_matrix, self.pos)
self.model_matrix = glm.scale(self.model_matrix, self.scale)
self.model_matrix = glm.rotate(self.model_matrix,\
glm.radians(self.angle.x), glm.vec3(1.0, 0.0, 0.0))
self.model_matrix = glm.rotate(self.model_matrix,\
glm.radians(self.angle.y), glm.vec3(0.0, 1.0, 0.0))
self.model_matrix = glm.rotate(self.model_matrix,\
glm.radians(self.angle.z), glm.vec3(0.0, 0.0, 1.0))
def draw_objects(shader):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# Create perspective matrix
pers = glm.perspective(0.5,1.0,0.1,50.0)
# Create rotation matrix
rot_x = glm.rotate(glm.mat4(1.0),0.5 * glfw.get_time(),glm.vec3(1.0,0.0,0.0))
rot_y = glm.rotate(glm.mat4(1.0),0.5 * glfw.get_time(),glm.vec3(0.0,1.0,0.0))
# Create normal transformation matrix
normal_matrix = glm.mat4(1.0)
normalMatrixLoc = glGetUniformLocation(shader, "normal_matrix")
glUniformMatrix4fv(normalMatrixLoc, 1, GL_FALSE, glm.value_ptr(normal_matrix*rot_x*rot_y))
# Create tranformation matrix for sphere
trans = glm.translate(glm.mat4(1.0), glm.vec3(-0.8,0.8,-5.5))
modelViewLoc = glGetUniformLocation(shader, "model_view_matrix")
glUniformMatrix4fv(modelViewLoc, 1, GL_FALSE, glm.value_ptr(trans*rot_x*rot_y))
modelViewProjLoc = glGetUniformLocation(shader, "model_view_projection_matrix")
glUniformMatrix4fv(modelViewProjLoc, 1, GL_FALSE, glm.value_ptr(pers*trans*rot_x*rot_y))
# Draw Sphere
sphere_quadric = gluNewQuadric()
gluQuadricNormals(sphere_quadric, GLU_SMOOTH)
gluSphere(sphere_quadric, 0.35, 20, 20)
# Create tranformation matrix for teapot
trans = glm.translate(glm.mat4(1.0), glm.vec3(0.0,0.0,-20.5))
scale = glm.scale(glm.mat4(1.0), glm.vec3(0.1, 0.1, 0.1))
modelViewLoc = glGetUniformLocation(shader, "model_view_matrix")
glUniformMatrix4fv(modelViewLoc, 1, GL_FALSE, glm.value_ptr(trans*scale*rot_x*rot_y))
modelViewProjLoc = glGetUniformLocation(shader, "model_view_projection_matrix")
glUniformMatrix4fv(modelViewProjLoc, 1, GL_FALSE, glm.value_ptr(pers*trans*scale*rot_x*rot_y))
draw_faces(teapot_faces)
# Create tranformation matrix for cylinder
trans = glm.translate(glm.mat4(1.0), glm.vec3(0.8,-0.8,-5.5))
modelViewLoc = glGetUniformLocation(shader, "model_view_matrix")
glUniformMatrix4fv(modelViewLoc, 1, GL_FALSE, glm.value_ptr(trans*rot_x*rot_y))
modelViewProjLoc = glGetUniformLocation(shader, "model_view_projection_matrix")
glUniformMatrix4fv(modelViewProjLoc, 1, GL_FALSE, glm.value_ptr(pers*trans*rot_x*rot_y))
# Draw cylinder
cylinder_quad = gluNewQuadric()
gluQuadricNormals(cylinder_quad, GLU_SMOOTH)
gluCylinder(cylinder_quad, 0.25, 0.25, 0.5, 10, 10)
def _generate_nodeview_matrix1(rsm_version: int, node: AbstractNode,
is_only_node: bool,
model_bbox: BoundingBox) -> glm.mat4:
rsm_node = node.impl
# Model view
# Translation
nodeview_matrix = glm.mat4()
if node.parent is None:
# Z axis is in the opposite direction in glTF
nodeview_matrix = glm.rotate(nodeview_matrix, math.pi,
glm.vec3(1.0, 0.0, 0.0))
if is_only_node:
nodeview_matrix = glm.translate(
nodeview_matrix,
glm.vec3(-model_bbox.center[0] + model_bbox.range[0],
-model_bbox.max[1] + model_bbox.range[1],
-model_bbox.min[2]))
else:
nodeview_matrix = glm.translate(
nodeview_matrix,
glm.vec3(-model_bbox.center[0], -model_bbox.max[1],
-model_bbox.center[2]))
else:
nodeview_matrix = glm.rotate(nodeview_matrix, -math.pi / 2,
glm.vec3(1.0, 0.0, 0.0))
nodeview_matrix = glm.translate(nodeview_matrix,
glm.vec3(rsm_node.info.position))
# Figure out the initial rotation
if len(rsm_node.rot_key_frames) == 0:
# Static model
if rsm_node.info.rotation_angle > 0.01:
nodeview_matrix = glm.rotate(
nodeview_matrix,
glm.radians(rsm_node.info.rotation_angle * 180.0 / math.pi),
glm.vec3(rsm_node.info.rotation_axis))
else:
# Animated model
key_frame = rsm_node.rot_key_frames[0]
quaternion = glm.quat(key_frame.quaternion[3], key_frame.quaternion[0],
key_frame.quaternion[1], key_frame.quaternion[2])
nodeview_matrix *= glm.mat4_cast(quaternion)
# Scaling
nodeview_matrix = glm.scale(nodeview_matrix, glm.vec3(rsm_node.info.scale))
# Node view
if is_only_node:
nodeview_matrix = glm.translate(nodeview_matrix, -model_bbox.range)
elif node.parent is not None:
nodeview_matrix = glm.translate(nodeview_matrix,
glm.vec3(rsm_node.info.offset_vector))
nodeview_matrix *= mat3tomat4(rsm_node.info.offset_matrix)
return nodeview_matrix
def renderGL(self):
"""opengl render method"""
# get the time in seconds
t = glfwGetTime()
# clear first
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# use the shader program
glUseProgram(self.__shaderProgram)
# calculate ViewProjection matrix
projection = glm.perspective(90.0, 4.0 / 3.0, .1, 100.0)
# translate the world/view position
view = glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, -5.0))
# make the camera rotate around the origin
view = glm.rotate(view, 90.0 * t, glm.vec3(1.0, 1.0, 1.0))
viewProjection = np.array(projection * view, dtype=np.float32)
# set the uniform
glUniformMatrix4fv(self.__vpLocation, 1, GL_FALSE, viewProjection)
# bind the vao
glBindVertexArray(self.__vao)
# draw
# the additional parameter indicates how many instances to render
glDrawElementsInstanced(GL_TRIANGLES, 6 * 6, GL_UNSIGNED_INT, None, 8)
glBindVertexArray(0)
glUseProgram(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# configure view/projection matrices
glUseProgram(self.__shader)
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width())/self.height(), 0.1, 100.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'view'), 1, GL_FALSE, view)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'projection'), 1, GL_FALSE, projection)
# render normal-mapped quad
rotVec = glm.normalize(np.array([1.0, 0.0, 1.0], np.float32))
model = glm.rotate(np.identity(4, np.float32), currentTime * -10.0, rotVec[0], rotVec[1], rotVec[2])
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
glUniform3fv(glGetUniformLocation(self.__shader, 'lightPos'), 1, self.lightPos)
glUniform3fv(glGetUniformLocation(self.__shader, 'viewPos'), 1, self.camera.position)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.diffuseMap)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.normalMap)
self.renderQuad()
# render light source (simply re-renders a smaller plane at the light's position for debugging/visualization)
# model = glm.scale(np.identity(4, np.float32), 0.1, 0.1, 0.1)
# model = glm.translate(model, self.lightPos[0], self.lightPos[1], self.lightPos[2])
# glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
# self.renderQuad()
glUseProgram(0)
def paintGL(self):
# Render
# Clear the colorbuffer
glClearColor(0.2, 0.3, 0.3, 1.0)
glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(self.__shaderProgram)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.texture1)
glUniform1i(glGetUniformLocation(self.__shaderProgram, 'ourTexture1'), 0)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.texture2)
glUniform1i(glGetUniformLocation(self.__shaderProgram, 'ourTexture2'), 1)
transform = np.identity(4, np.float32)
transform = glm.rotate(transform, self.__timer.elapsed() / 1000.0 * 50.0,
0.0, 0.0, 1.0)
transform = glm.translate(transform, 0.5, -0.5, 0.0)
transformLoc = glGetUniformLocation(self.__shaderProgram, 'transform')
glUniformMatrix4fv(transformLoc, 1, GL_FALSE, transform)
glBindVertexArray(self.__vao)
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def renderScene(self, shader):
# Room cube
model = np.identity(4, np.float32)
model = glm.scale(model, 10.0, 10.0, 10.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
glDisable(GL_CULL_FACE) # Note that we disable culling here since we render 'inside' the cube instead of the usual 'outside' which throws off the normal culling methods.
glUniform1i(glGetUniformLocation(shader, 'reverse_normals'), 1) #A small little hack to invert normals when drawing cube from the inside so lighting still works.
self.renderCube()
glEnable(GL_CULL_FACE)
# Cubes
model = np.identity(4, np.float32)
model = glm.translate(model, 4.0, -3.5, 0.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), 2.0, 3.0, 1.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), -3.0, -1.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), -1.5, 1.0, 1.5)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 60.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 1.5, 1.5, 1.5)
model = glm.translate(model, -1.5, 2.0, -3.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
def renderScene(self, shader):
# Floor
model = np.identity(4, np.float32)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
glBindVertexArray(self.planeVAO)
glDrawArrays(GL_TRIANGLES, 0, 6)
glBindVertexArray(0)
# Cubes
model = glm.translate(model, 0.0, 1.5, 0.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), 2.0, 0.0, 1.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 60.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 0.5, 0.5, 0.5)
model = glm.translate(model, -1.0, 0.0, 2.0)
glUniformMatrix4fv(glGetUniformLocation(shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
def render_scene(time, cam1, view, projection):
glClearColor(.8, .12, 0.32, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# Create meshes
points1, normals1 = generate_height_map(nw=8, nl=8, width=4, length=4, t=1.5*time, zscale=0.6)
points3, indices3 = box()
vao1, vbo1, ebo1 = create_vertex_array2(coords=points1, colors=normals1)
vao_lamp, _, _ = create_vertex_array2(coords=points3, indices=indices3)
# Light source: lamp
light_color = glm.vec3(1, 1, 1)
light_position = glm.vec3(np.cos(time), 1., np.sin(time))
# Height map
glBindVertexArray(vao1)
glUseProgram(shader_basic_lighting)
model = glm.identity(4)
# model = glm.translate(glm.vec3(.0, 0.5, .0)) * model
model = model * glm.rotate(-np.pi/2, glm.vec3(1, 0, 0))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_color"), 1, light_color)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "light_pos"), 1, light_position)
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "object_color"), 1, glm.vec3(1, .5, .31))
glUniform3fv(glGetUniformLocation(shader_basic_lighting, "view_pos"), 1, cam1.position)
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_basic_lighting, "model"), 1, GL_TRUE, np.asarray(model))
glDrawArrays(GL_TRIANGLES, 0, len(points1))
glBindVertexArray(0)
# Lamp
glUseProgram(shader_solid)
glBindVertexArray(vao_lamp)
model = glm.translate(light_position)
model = model * glm.scale(glm.vec3(.2, .2, .2))
glUniform3fv(glGetUniformLocation(shader_solid, "solid_color"), 1, glm.vec3(1, 1, 1))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices3), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def render_scene(time, cam1, view, projection):
glClearColor(.8, .12, 0.32, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# Create meshes
points3, indices3 = box()
vao_lamp = VAO(attributes=[points3], indices=indices3)
# Light source: lamp
light_color = glm.vec3(1, 1, 1)
light_position = glm.vec3(3*np.cos(time), 2., 3*np.sin(time))
# Height map
# glBindVertexArray(vao1)
vao1.bind()
glUseProgram(shader_flat_shading)
model = glm.identity(4)
# model = glm.translate(glm.vec3(.0, 0.5, .0)) * model
model = model * glm.rotate(-np.pi/2, glm.vec3(1, 0, 0))
glUniform1f(glGetUniformLocation(shader_flat_shading, "time"), time);
glUniform3fv(glGetUniformLocation(shader_flat_shading, "light_color"), 1, light_color)
glUniform3fv(glGetUniformLocation(shader_flat_shading, "light_pos"), 1, light_position)
glUniform3fv(glGetUniformLocation(shader_flat_shading, "object_color"), 1, glm.vec3(1, .5, .31))
glUniform3fv(glGetUniformLocation(shader_flat_shading, "view_pos"), 1, cam1.position)
glUniformMatrix4fv(glGetUniformLocation(shader_flat_shading, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_flat_shading, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_flat_shading, "model"), 1, GL_TRUE, np.asarray(model))
glDrawArrays(GL_TRIANGLES, 0, len(points1))
glBindVertexArray(0)
# Lamp
glUseProgram(shader_solid)
vao_lamp.bind()
model = glm.translate(light_position)
model = model * glm.scale(glm.vec3(.2, .2, .2))
glUniform3fv(glGetUniformLocation(shader_solid, "solid_color"), 1, glm.vec3(1, 1, 1))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniformMatrix4fv(glGetUniformLocation(shader_solid, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices3), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.2, 0.3, 0.3, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__shaderProgram)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.texture1)
glUniform1i(glGetUniformLocation(self.__shaderProgram, 'ourTexture1'), 0)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.texture2)
glUniform1i(glGetUniformLocation(self.__shaderProgram, 'ourTexture2'), 1)
view = self.camera.viewMatrix
view = glm.translate(view, 0.0, 0.0, -3.0)
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 1000.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__shaderProgram, 'model')
viewLoc = glGetUniformLocation(self.__shaderProgram, 'view')
projLoc = glGetUniformLocation(self.__shaderProgram, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
glBindVertexArray(self.__vao)
for i in self.__cubePositions:
# calculate the model matrix for each object and pass it to shader before drawing
angle = math.degrees(20.0 * self.__cubePositions.index(i))
model = glm.rotate(np.identity(4, np.float32), angle, 1.0, 0.3, 0.5)
model = glm.translate(model, i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
def renderGL(self):
"""opengl render method"""
# get the time in seconds
t = glfwGetTime()
# use the transform shader program
glUseProgram(self.__tshaderProgram)
# set the uniforms
glUniform3fv(self.__centerLocation, 3, self.__center)
glUniform1fv(self.__radiusLocation, 3, self.__radius)
glUniform3fv(self.__gLocation, 1, self.__g)
glUniform1f(self.__dtLocation, self.__dt)
glUniform1f(self.__bounceLocation, self.__bounce)
glUniform1i(self.__seedLocation, randint(0, 0x7fff))
# bind the current vao
glBindVertexArray(self.__vao[(self.__currentBuffer + 1) % self.__bufferCount])
# bind transform feedback target
glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, self.__vbo[self.__currentBuffer])
glEnable(GL_RASTERIZER_DISCARD)
# perform transform feedback
glBeginTransformFeedback(GL_POINTS)
glDrawArrays(GL_POINTS, 0, self.__particles)
glEndTransformFeedback()
glDisable(GL_RASTERIZER_DISCARD)
# clear first
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# use the shader program
glUseProgram(self.__shaderProgram)
# calculate ViewProjection matrix
projection = glm.perspective(90.0, 4.0 / 3.0, .1, 100.0)
projection = np.array(projection, dtype=np.float32)
# translate the world/view position
view = glm.translate(glm.mat4(1.0), glm.vec3(0.0, 0.0, -30.0))
# make the camera rotate around the origin
view = glm.rotate(view, 30.0, glm.vec3(1.0, 0.0, 0.0))
view = glm.rotate(view, -22.5 * t, glm.vec3(0.0, 1.0, 0.0))
view = np.array(view, dtype=np.float32)
# set the uniform
glUniformMatrix4fv(self.__viewLocation, 1, GL_FALSE, view)
glUniformMatrix4fv(self.__projLocation, 1, GL_FALSE, projection)
# bind the vao
glBindVertexArray(self.__vao[self.__currentBuffer])
# draw
glDrawArrays(GL_POINTS, 0, self.__particles)
glBindVertexArray(0)
glUseProgram(0)
# advance buffer index
self.__currentBuffer = (self.__currentBuffer + 1) % self.__bufferCount
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# 1. Render scene into floating point framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, self.bloomFBO)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = glm.perspective(self.camera.zoom, float(self.width())/self.height(), 0.1, 100.0)
view = self.camera.viewMatrix
glUseProgram(self.__shader)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'projection'), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'view'), 1, GL_FALSE, view)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.woodTexture)
# set lighting uniforms
for i in range(len(self.lightPos)):
glUniform3fv(glGetUniformLocation(self.__shader, 'lights[{}].Position'.format(i)), 1, self.lightPos[i])
glUniform3fv(glGetUniformLocation(self.__shader, 'lights[{}].Color'.format(i)), 1, self.lightColors[i])
glUniform3fv(glGetUniformLocation(self.__shader, 'viewPos'), 1, self.camera.position)
# create one large cube that acts as the floor
model = glm.scale(np.identity(4, np.float32), 25.0, 1.0, 25.0)
model = glm.translate(model, 0.0, -1.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
# then create multiple cubes as the scenery
glBindTexture(GL_TEXTURE_2D, self.containerTexture)
model = glm.translate(np.identity(4, np.float32), 0.0, 1.5, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.translate(np.identity(4, np.float32), 2.0, 0.0, 1.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 60.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 2.0, 2.0, 2.0)
model = glm.translate(model, -1.0, -1.0, 2.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 23.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 2.5, 2.5, 2.5)
model = glm.translate(model, 0.0, 2.7, 4.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
model = glm.rotate(np.identity(4, np.float32), 124.0, 1.0, 0.0, 1.0)
model = glm.scale(model, 2.0, 2.0, 2.0)
model = glm.translate(model, -2.0, 1.0, -3.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
self.renderCube()
model = glm.translate(np.identity(4, np.float32), -3.0, 0.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__shader, 'model'), 1, GL_FALSE, model)
self.renderCube()
# finally show all the light sources as bright cubes
glUseProgram(self.__lightShader)
glUniformMatrix4fv(glGetUniformLocation(self.__lightShader, 'projection'), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__lightShader, 'view'), 1, GL_FALSE, view)
for i in range(len(self.lightPos)):
model = glm.scale(np.identity(4, np.float32), 0.5, 0.5, 0.5)
model = glm.translate(model, self.lightPos[i][0], self.lightPos[i][1], self.lightPos[i][2])
glUniformMatrix4fv(glGetUniformLocation(self.__lightShader, 'model'), 1, GL_FALSE, self.lightPos[i])
glUniform3fv(glGetUniformLocation(self.__lightShader, 'lightColor'), 1, self.lightColors[i])
self.renderCube()
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 2. Blur bright fragments w/ two-pass Gaussian Blur
horizontal = True
first_iteration = True
amount = 10
glUseProgram(self.__blurShader)
for i in range(amount):
glBindFramebuffer(GL_FRAMEBUFFER, self.pingpongFBO[int(horizontal)])
glUniform1i(glGetUniformLocation(self.__blurShader, 'horizontal'), horizontal)
glBindTexture(GL_TEXTURE_2D, self.colorBuffers[1] if first_iteration else self.pingpongColorbuffers[int(not horizontal)])
self.renderQuad()
horizontal = not horizontal
if first_iteration: first_iteration = False
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 2. Now render floating point color buffer to 2D quad and tonemap HDR colors to default framebuffer's (clamped) color range
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__bloomFinalShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.colorBuffers[0])
# glBindTexture(GL_TEXTURE_2D, self.pingpongColorbuffers[int(not horizontal)])
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.pingpongColorbuffers[int(not horizontal)])
glUniform1i(glGetUniformLocation(self.__bloomFinalShader, 'bloom'), self.bloom)
glUniform1f(glGetUniformLocation(self.__bloomFinalShader, 'exposure'), self.exposure)
self.renderQuad()
glUseProgram(0)
print 'exposure: {}'.format(self.exposure)
glViewport(0, 0, w, h)
# glDepthRange(-10, 10)
glEnable(GL_DEPTH_TEST) # draw only if the shape is closer to the viewer
glDepthFunc(GL_LESS) # smaller means closer
# glPolygonMode(GL_FRONT_AND_BACK, GL_LINE) # Wireframe
while not glfwWindowShouldClose(window):
time = glfwGetTime()
glClearColor(0.6, 0.6, 0.8, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(shader1)
view = glm.identity(4)
view = glm.translate(glm.vec3(0, 0, -2))
view = view * glm.rotate(time, glm.vec3(0, 1, 0)) #
glUniformMatrix4fv(glGetUniformLocation(shader1, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader1, "projection"), 1, GL_FALSE, np.asarray(projection))
glBindVertexArray(vao2)
model = glm.identity(4)
# model = glm.translate(glm.vec3(.0, 0, .0))
# model = model * glm.rotate(1.0 * np.pi * time, glm.vec3(1, 1, 0.2))
glUniformMatrix4fv(glGetUniformLocation(shader1, "model"), 1, GL_TRUE, np.asarray(model))
# (uniform location, num matrices, transpose?, matrix)
# In numpy matrices (2D arrays) are expressed row by row whereas
# in OpenGL they are column by column. Hence true is given
# as the 3rd argument to transpose the matrix.
# print(model, view, projection)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__lightingShader)
lightPosLoc = glGetUniformLocation(self.__lightingShader, 'light.position')
lightSpotdirLoc = glGetUniformLocation(self.__lightingShader, 'light.direction')
lightSpotCutoffLoc = glGetUniformLocation(self.__lightingShader, 'light.cutOff')
lightSpotOuterCutoffLoc = glGetUniformLocation(self.__lightingShader, 'light.outerCutOff')
viewPosLoc = glGetUniformLocation(self.__lightingShader, 'viewPos')
glUniform3f(lightPosLoc, self.camera.position[0], self.camera.position[1], self.camera.position[2])
glUniform3f(lightSpotdirLoc, self.camera.front[0], self.camera.front[1], self.camera.front[2])
glUniform1f(lightSpotCutoffLoc, math.cos(math.radians(12.5)))
glUniform1f(lightSpotOuterCutoffLoc, math.cos(math.radians(17.5)))
glUniform3f(viewPosLoc, self.camera.position[0], self.camera.position[1], self.camera.position[2])
# set lights properties
glUniform3f(glGetUniformLocation(self.__lightingShader, 'light.ambient'),
0.1, 0.1, 0.1)
glUniform3f(glGetUniformLocation(self.__lightingShader, 'light.diffuse'),
0.8, 0.8, 0.8)
glUniform3f(glGetUniformLocation(self.__lightingShader, 'light.specular'),
1.0, 1.0, 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, 'light.constant'), 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, 'light.linear'), 0.09)
glUniform1f(glGetUniformLocation(self.__lightingShader, 'light.quadratic'), 0.032)
# set material properties
glUniform1f(glGetUniformLocation(self.__lightingShader, 'material.shininess'), 32.0)
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__lightingShader, 'model')
viewLoc = glGetUniformLocation(self.__lightingShader, 'view')
projLoc = glGetUniformLocation(self.__lightingShader, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
# bind diffuse map
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.diffuseMap)
# bind specular map
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.specularMap)
## Draw the container (using container's vertex attributes)
#glBindVertexArray(self.__containerVAO)
#model = np.identity(4, np.float32)
#glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
#glDrawArrays(GL_TRIANGLES, 0, 36)
#glBindVertexArray(0)
glBindVertexArray(self.__containerVAO)
for i in self.__cubePositions:
# calculate the model matrix for each object and pass it to shader before drawing
angle = math.degrees(20.0 * self.__cubePositions.index(i))
model = glm.rotate(np.identity(4, np.float32), angle, 1.0, 0.3, 0.5)
model = glm.translate(model, i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# projection = glm.create_perspective_projection_matrix(45., 600. / 600., .1, 100.0, dtype=np.float32)
# View via user-controlled camera object
view = cam1.get_view_matrix()
projection = glm.create_perspective_projection_matrix(cam1.fov, 600. / 600., .1, 100.0, dtype=np.float32)
# projection = glm.create_orthogonal_projection_matrix(-3, 3, -3, 3, 0.1, 100, dtype=np.float32)
# Render objects
# Ground
glUseProgram(shader1)
glUniformMatrix4fv(glGetUniformLocation(shader1, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader1, "projection"), 1, GL_FALSE, np.asarray(projection))
glUniform3fv(glGetUniformLocation(shader1, "solid_color"), 1, glm.vec3(0, 0, 1))
glBindVertexArray(vao1)
model = glm.identity(4)
model = glm.rotate(np.pi*0.5, glm.vec3(1, 0, 0)) * model
glUniformMatrix4fv(glGetUniformLocation(shader1, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices2), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
# Big Cube
glUseProgram(shader2)
glBindVertexArray(vao2)
glUniformMatrix4fv(glGetUniformLocation(shader2, "view"), 1, GL_TRUE, np.asarray(view))
glUniformMatrix4fv(glGetUniformLocation(shader2, "projection"), 1, GL_FALSE, np.asarray(projection))
model = glm.identity(4)
model = glm.translate(glm.vec3(.0, 0.5, .0)) * model
# model = model * glm.rotate(1.0 * np.pi * time, glm.vec3(1, 1, 0.2))
glUniformMatrix4fv(glGetUniformLocation(shader2, "model"), 1, GL_TRUE, np.asarray(model))
glDrawElements(GL_TRIANGLES, len(indices2), GL_UNSIGNED_INT, None)
glBindVertexArray(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# Render
# Clear the colorbuffer
glClearColor(0.1, 0.1, 0.1, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__lightingShader)
viewPosLoc = glGetUniformLocation(self.__lightingShader, 'viewPos')
glUniform3f(viewPosLoc, self.camera.position[0], self.camera.position[1], self.camera.position[2])
# set material properties
glUniform1f(glGetUniformLocation(self.__lightingShader, 'material.shininess'), 32.0)
# Directional light
glUniform3f(glGetUniformLocation(self.__lightingShader, "dirLight.direction"), -0.2, -1.0, -0.3)
glUniform3f(glGetUniformLocation(self.__lightingShader, "dirLight.ambient"), 0.05, 0.05, 0.05)
glUniform3f(glGetUniformLocation(self.__lightingShader, "dirLight.diffuse"), 0.4, 0.4, 0.4)
glUniform3f(glGetUniformLocation(self.__lightingShader, "dirLight.specular"), 0.5, 0.5, 0.5)
# point lights
for i in self.__pointLightPositions:
index = self.__pointLightPositions.index(i)
glUniform3f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].position".format(index)), i[0], i[0], i[0])
glUniform3f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].ambient".format(index)), 0.05, 0.05, 0.05)
glUniform3f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].diffuse".format(index)), 0.8, 0.8, 0.8)
glUniform3f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].specular".format(index)), 1.0, 1.0, 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].constant".format(index)), 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].linear".format(index)), 0.09)
glUniform1f(glGetUniformLocation(self.__lightingShader, "pointLights[{}].quadratic".format(index)), 0.032)
# spotlight
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.position"),
self.camera.position[0], self.camera.position[1], self.camera.position[2])
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.direction"),
self.camera.front[0], self.camera.front[1], self.camera.front[2])
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.ambient"), 0.0, 0.0, 0.0)
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.diffuse"), 1.0, 1.0, 1.0)
glUniform3f(glGetUniformLocation(self.__lightingShader, "spotLight.specular"), 1.0, 1.0, 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.constant"), 1.0)
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.linear"), 0.09);
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.quadratic"), 0.032)
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.cutOff"), math.cos(math.radians(12.5)))
glUniform1f(glGetUniformLocation(self.__lightingShader, "spotLight.outerCutOff"), math.cos(math.radians(15.0)))
view = self.camera.viewMatrix
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 100.0)
# get their uniform location
modelLoc = glGetUniformLocation(self.__lightingShader, 'model')
viewLoc = glGetUniformLocation(self.__lightingShader, 'view')
projLoc = glGetUniformLocation(self.__lightingShader, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
# bind diffuse map
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.diffuseMap)
# bind specular map
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.specularMap)
glBindVertexArray(self.__containerVAO)
for i in self.__cubePositions:
# calculate the model matrix for each object and pass it to shader before drawing
angle = math.degrees(20.0 * self.__cubePositions.index(i))
model = glm.rotate(np.identity(4, np.float32), angle, 1.0, 0.3, 0.5)
model = glm.translate(model, i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
# Also draw the lamp object, again binding the appropriate shader
glUseProgram(self.__lampShader)
# Get location objects for the matrices on the lamp shader (these could be different on a different shader)
modelLoc = glGetUniformLocation(self.__lampShader, 'model')
viewLoc = glGetUniformLocation(self.__lampShader, 'view')
projLoc = glGetUniformLocation(self.__lampShader, 'projection')
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, view)
glUniformMatrix4fv(projLoc, 1, GL_FALSE, projection)
glBindVertexArray(self.__lightVAO)
for i in self.__pointLightPositions:
model = glm.scale(np.identity(4, np.float32), 0.2, 0.2, 0.2)
model = glm.translate(model, i[0], i[1], i[2])
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, model)
glDrawArrays(GL_TRIANGLES, 0, 36)
glBindVertexArray(0)
def paintGL(self):
currentTime = self.__timer.elapsed() / 1000.0
self.__deltaTime = currentTime - self.__lastTime
self.__lastTime = currentTime
# 1. Geometry Pass: render scene's geometry/color data into gbuffer
glBindFramebuffer(GL_FRAMEBUFFER, self.gbuffer)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = glm.perspective(self.camera.zoom, float(self.width()) / self.height(), 0.1, 50.0)
view = self.camera.viewMatrix
glUseProgram(self.__geometyPassShader)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'projection'), 1, GL_FALSE, projection)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'view'), 1, GL_FALSE, view)
# Floor cube
model = glm.scale(np.identity(4, np.float32), 20.0, 1.0, 28.0)
model = glm.translate(model, 0.0, -1.0, 0.0)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'model'), 1, GL_FALSE, model)
self.renderCube()
# Nanosuit model on the floor
model = glm.scale(np.identity(4, np.float32), 0.5, 0.5, 0.5)
model = glm.rotate(model, -90.0, 1.0, 0.0, 0.0)
model = glm.translate(model, 0.0, 0.0, 5.0)
glUniformMatrix4fv(glGetUniformLocation(self.__geometyPassShader, 'model'), 1, GL_FALSE, model)
self.cyborg.draw(self.__geometyPassShader)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 2. Create SSAO texture
glBindFramebuffer(GL_FRAMEBUFFER, self.ssaoFBO)
glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(self.__ssaoShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.gPositionDepth)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.gNormal)
glActiveTexture(GL_TEXTURE2)
glBindTexture(GL_TEXTURE_2D, self.noiseTexture)
# send kernel + rotation
[glUniform3fv(glGetUniformLocation(self.__ssaoShader, 'samples[{}]'.format(i)), 1, self.ssaoKernel[i]) for i in range(64)]
glUniformMatrix4fv(glGetUniformLocation(self.__ssaoShader, 'projection'), 1, GL_FALSE, projection)
self.renderQuad()
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 3. Blur SSAO texture to remove noise
glBindFramebuffer(GL_FRAMEBUFFER, self.ssaoBlurFBO)
glClear(GL_COLOR_BUFFER_BIT)
glUseProgram(self.__ssaoBlurShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.ssaoColorBuffer)
self.renderQuad()
glBindFramebuffer(GL_FRAMEBUFFER, 0)
# 4. Lighting Pass: calculate lighting by iterating over a screen filled quad pixel-by-pixel using the gbuffer's content.
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glUseProgram(self.__lightingPassShader)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.gPositionDepth)
glActiveTexture(GL_TEXTURE1)
glBindTexture(GL_TEXTURE_2D, self.gNormal)
glActiveTexture(GL_TEXTURE2)
glBindTexture(GL_TEXTURE_2D, self.gAlbedo)
glActiveTexture(GL_TEXTURE3) # add extra SSAO texture to lighting pass
glBindTexture(GL_TEXTURE_2D, self.ssaoColorBufferBlur)
# also send light relevent uniforms
lightPosView = (self.camera.viewMatrix * np.array([self.lightPos[0], self.lightPos[1], self.lightPos[2], 1.0], np.float32))[3, :4]
glUniform3fv(glGetUniformLocation(self.__lightingPassShader, 'light.Position'), 1, lightPosView)
glUniform3fv(glGetUniformLocation(self.__lightingPassShader, 'light.Color'), 1, self.lightColor)
# Update attenuation parameters and calculate radius
_constant = 1.0 # Note that we don't send this to the shader, we assume it is always 1.0 (in our case)
linear = 0.09
quadratic = 0.032
glUniform1f(glGetUniformLocation(self.__lightingPassShader, 'light.Linear'), linear)
glUniform1f(glGetUniformLocation(self.__lightingPassShader, 'light.Quadratic'), quadratic)
glUniform1i(glGetUniformLocation(self.__lightingPassShader, 'draw_mode'), self.draw_mode)
self.renderQuad()
glUseProgram(0)
