Rotating each triangle in a surface individually?

Blitz3D Forums/Blitz3D Programming/Rotating each triangle in a surface individually?

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It was a thread Rob started in this forum, where he said he was looking for something to replace turnentity() and rotateentity() for a single surface mesh.

It involved creating a pivot, rotating it to the correct angle and then using TFormPoint to calculate the new coordinates for each vertex.