Abstract

Bump mapping is an easy way to create the effect of the relief surface that allows a more detailed surface than a polygonal surface does. If there are bumps in surface, you can see light and dark place on surface. Flat surfaces reflect more light and bumpy surfaces reflect less. This effect is used in bump technology. OpenGL, WebGL and DirectX supports this bump technology. This realization is not difficult and is working fast. This is an implementation in pixel or fragment shader.

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