電腦圖學 hw13

I: toggle directional red light O: toggle point blue light P: toggle green spotlight Up/Down: move camera along an oval arc from the initial angle toward near top view Space: play/pause walking animation R: reset animation pose The creeper slowly rotates, and the head now looks around in both yaw and pitch UNSUPPORTED (log once): POSSIBLE ISSUE: unit 0 GLD_TEXTURE_INDEX_2D is unloadable and bound to sampler type (Float) - using zero texture because texture unloadable