# Clearing the screen in both, color and depth
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
projection = tr.perspective(30, float(width)/float(height),0.1, 100)
view = tr.lookAt(
np.array([5,5,2]),
np.array([0,0,0]),
np.array([0,0,1])
)
theta = glfw.get_time()
axis = np.array([1,-1,1])
axis = axis / np.linalg.norm(axis)
model = tr.rotationA(theta, axis)
# Drawing axes and cube in a 3D world
glUseProgram(mvpPipeline.shaderProgram)
glUniformMatrix4fv(glGetUniformLocation(mvpPipeline.shaderProgram, "projection"), 1, GL_TRUE, projection)
glUniformMatrix4fv(glGetUniformLocation(mvpPipeline.shaderProgram, "view"), 1, GL_TRUE, view)
glUniformMatrix4fv(glGetUniformLocation(mvpPipeline.shaderProgram, "model"), 1, GL_TRUE, tr.identity())
mvpPipeline.drawCall(gpuAxis, GL_LINES)
glUniformMatrix4fv(glGetUniformLocation(mvpPipeline.shaderProgram, "model"), 1, GL_TRUE, model)
mvpPipeline.drawCall(gpuRainbowCube)
theta = glfw.get_time()
tx = 0.7 * np.sin(0.5 * theta)
ty = 0.2 * np.sin(5 * theta)
camY = 3 * np.cos(camera_theta)
viewPos = np.array([camX,camY,2])
view = tr.lookAt(
viewPos,
np.array([0,0,0]),
np.array([0,0,1])
)
rotation_theta = glfw.get_time()
axis = np.array([1,-1,1])
#axis = np.array([0,0,1])
axis = axis / np.linalg.norm(axis)
model = tr.rotationA(rotation_theta, axis)
model = tr.identity()
# Clearing the screen in both, color and depth
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# Filling or not the shapes depending on the controller state
if (controller.fillPolygon):
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
else:
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
# The axis is drawn without lighting effects
if controller.showAxis:
glUseProgram(mvpPipeline.shaderProgram)
glUniformMatrix4fv(glGetUniformLocation(mvpPipeline.shaderProgram, "projection"), 1, GL_TRUE, projection)