Hot answers tagged cocos2d-iphone
I don't know cocos2d, but the general approach to use for this effect is simply to just render the scene at a lower resolution into an offscreen render buffer (VBO, in OpenGL terminology), and then copy that low-resolution image to the screen, with smoothing turned off. (in OpenGL terms, that'd be performing the copy using GL_NEAREST instead of GL_LINEAR). ...
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