# Difference between revisions of "Math and algorithms"

From OpenGL.org

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− | == Calculating a Surface Normal == | + | == [[Calculating a Surface Normal]] == |

Required for OpenGL lighting. | Required for OpenGL lighting. | ||

− | == Vector Dot Product == | + | == [[Vector Dot Product]] == |

Useful in lighting calculations. | Useful in lighting calculations. |

## Revision as of 02:11, 5 April 2006

## Calculating a Surface Normal

Required for OpenGL lighting.

## Vector Dot Product

Useful in lighting calculations.