# Difference between revisions of "Math and algorithms"

From OpenGL.org

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

− | Required for | + | Required from the application by OpenGL for lighting calculations. |

== [[Vector Dot Product]] == | == [[Vector Dot Product]] == | ||

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

## Revision as of 02:26, 5 April 2006

## Calculating a Surface Normal

Required from the application by OpenGL for lighting calculations.

## Vector Dot Product

Useful in lighting calculations.