transform = getTransform(controller.showTransform, theta)
if (controller.shape == SP_TRIANGLE):
glUniformMatrix4fv(
glGetUniformLocation(pipeline.shaderProgram, "transform"), 1,
GL_TRUE, transform)
pipeline.drawCall(gpuTriangle)
elif (controller.shape == SP_QUAD):
glUniformMatrix4fv(
glGetUniformLocation(pipeline.shaderProgram, "transform"), 1,
GL_TRUE, transform)
pipeline.drawCall(gpuQuad)
elif (controller.shape == SP_CUBE):
Rx = tr.rotationX(np.pi / 3)
Ry = tr.rotationY(np.pi / 3)
transform = tr.matmul([Ry, Rx, transform])
glUniformMatrix4fv(
glGetUniformLocation(pipeline.shaderProgram, "transform"), 1,
GL_TRUE, transform)
pipeline.drawCall(gpuCube)
elif (controller.shape == SP_CIRCLE):
glUniformMatrix4fv(
glGetUniformLocation(pipeline.shaderProgram, "transform"), 1,
GL_TRUE, transform)
pipeline.drawCall(gpuCircle)
else:
# This should never happen
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
else:
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
# Drawing shapes
glUseProgram(pipeline.shaderProgram)
glUniform3f(glGetUniformLocation(pipeline.shaderProgram, "viewPosition"), viewPos[0], viewPos[1], viewPos[2])
glUniformMatrix4fv(glGetUniformLocation(pipeline.shaderProgram, "view"), 1, GL_TRUE, view)
glUniformMatrix4fv(glGetUniformLocation(pipeline.shaderProgram, "model"), 1, GL_TRUE, tr.uniformScale(3))
pipeline.drawCall(gpuSuzanne)
glUniformMatrix4fv(glGetUniformLocation(pipeline.shaderProgram, "model"), 1, GL_TRUE,
tr.matmul([
tr.uniformScale(3),
tr.rotationX(np.pi/2),
tr.translate(1.5,-0.25,0)])
)
pipeline.drawCall(gpuCarrot)
glUseProgram(mvpPipeline.shaderProgram)
glUniformMatrix4fv(glGetUniformLocation(mvpPipeline.shaderProgram, "view"), 1, GL_TRUE, view)
mvpPipeline.drawCall(gpuAxis, GL_LINES)
# Once the drawing is rendered, buffers are swap so an uncomplete drawing is never seen.
glfw.swap_buffers(window)
# freeing GPU memory
gpuAxis.clear()
gpuSuzanne.clear()
gpuCarrot.clear()