Another step forward for SDXM, my 2D game engine being built with Qt and c++. There is now functioning, gimmicky image distortion, and so far the effects are: water, spiral, and pixelate (more coming). You can observe the background in this video. Possible usage is for underwater levels where the effect can be applied to the frame buffer, transitions between stages, or other fancy 2D gimmicks. (more…)