rainbowCube = bs.createRainbowCube()
gpuRainbowCube = es.GPUShape().initBuffers()
colorShaderProgram.setupVAO(gpuRainbowCube)
gpuRainbowCube.fillBuffers(rainbowCube.vertices, rainbowCube.indices,
GL_STATIC_DRAW)
shapeQuad = bs.createTextureQuad(1, 1)
gpuQuad = es.GPUShape().initBuffers()
textureShaderProgram.setupVAO(gpuQuad)
gpuQuad.fillBuffers(shapeQuad.vertices, shapeQuad.indices, GL_STATIC_DRAW)
gpuQuad.texture = textureColorbuffer # <--- Here is where the magic happens!
# Setting up the scene
view = tr.lookAt(np.array([1.0, 1.0, 1.0]), np.array([0.0, 0.0, 0.0]),
np.array([0.0, 0.0, 1.0]))
projection = tr.ortho(-1, 1, -1, 1, 0.1, 100)
while not glfw.window_should_close(window):
# Using GLFW to check for input events
glfw.poll_events()
# Using the time as the theta parameter
theta = glfw.get_time()
# Rendering to a texture
#######################
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer)
#glBindFramebuffer(GL_FRAMEBUFFER, 0)
glEnable(GL_DEPTH_TEST)
glClearColor(0.15, 0.15, 0.15, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
camX = 10 * np.sin(camera_theta)
camY = 10 * np.cos(camera_theta)
viewPos = np.array([camX, camY, 10])
view = tr.lookAt(viewPos, np.array([0, 0, 0]), np.array([0, 0, 1]))
glUniformMatrix4fv(
glGetUniformLocation(pipeline.shaderProgram, "view"), 1, GL_TRUE,
view)
# Setting up the projection transform
if controller.projection == PROJECTION_ORTHOGRAPHIC:
projection = tr.ortho(-8, 8, -8, 8, 0.1, 100)
elif controller.projection == PROJECTION_FRUSTUM:
projection = tr.frustum(-5, 5, -5, 5, 9, 100)
elif controller.projection == PROJECTION_PERSPECTIVE:
projection = tr.perspective(60,
float(width) / float(height), 0.1, 100)
else:
raise Exception()
glUniformMatrix4fv(
glGetUniformLocation(pipeline.shaderProgram, "projection"), 1,
GL_TRUE, projection)