Triangle strip

Set of triangles with shared vertices in a triangle mesh

In computer graphics, a triangle strip is a subset of triangles in a triangle mesh with shared vertices, and is a more memory-efficient method of storing information about the mesh. They are more efficient than un-indexed lists of triangles, but usually equally fast or slower than indexed triangle lists. The primary reason to use triangle strips is to reduce the amount of data needed to create a series of triangles. The number of vertices stored in memory is reduced from 3N to N + 2, where N is the number of triangles to be drawn. This allows for less use of disk space, as well as making them faster to load into RAM.

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