LXGameEngine Progress Finished building glfw window. Finished ref and autorelease pool. Finished shaders' compiling, linking and processing. Finished image reading. Finished texture generating. Finished sprites' vao & vbos setup. Finished default ortho camera. Finished nodes' transform. Finished sprites' anchor point and content size. Finished visit nodes and nodes'addChild method. Finished local zorder. Finished sprites' opacity and color. Finished main scene. Finished rect. Under construction Mouse and keyboard events. Plans BlendFunc. glStateBlock. Timer. Actions. Particles. Support OpenAL.