def main():
init()
window = glfw.create_window(800, 600, "Chapter3", 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/chapter3.vs', 'res/glsl/chapter3.fs')
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)
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():
init()
window = glfw.create_window(800, 600, "Chapter5", 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/chapter5.vs', 'res/glsl/chapter5.fs')
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([2, 2, 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')
vertex = np.array([
-1,
-1,
-1,
1,
-1,
-1,
1,
1,
-1,
1,
1,
-1,
-1,
1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
1,
-1,
1,
1,
-1,
1,
1,
-1,
1,
-1,
-1,
-1,
-1,
1,
-1,
1,
1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
-1,
1,
1,
-1,
1,
-1,
-1,
1,
1,
-1,
1,
1,
1,
1,
1,
1,
1,
-1,
1,
1,
-1,
-1,
1,
1,
-1,
-1,
1,
-1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
-1,
1,
-1,
-1,
1,
1,
1,
1,
1,
-1,
-1,
1,
-1,
-1,
1,
-1,
-1,
1,
1,
1,
1,
1,
],
dtype=np.float32)
color = np.array([
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,
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,
0,
0,
1,
0,
0,
1,
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 set_shaders(self, vpath, fpath):
self._program = load_shaders(vpath, fpath)
self._projection_id = glGetUniformLocation(self._program, 'P')
self._view_id= glGetUniformLocation(self._program, 'V')
self._model_id = glGetUniformLocation(self._program, 'M')
self._light_id = glGetUniformLocation(self._program, 'LightPosition_w');
def set_shaders(self, vpath, fpath):
self._program = load_shaders(vpath, fpath)
self._projection_id = glGetUniformLocation(self._program, 'projection')
self._view_id= glGetUniformLocation(self._program, 'view')
self._model_id = glGetUniformLocation(self._program, 'model')
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()