triangles in a rectangular box

[jjj]

Is there any way in bullet that allows me to get triangle indices in a triangle mesh contained in a given rectangular box? If not, how can I modify the source to do so.

Thank you in advance.

[Erwin Coumans]

Yes, you can implement your triangle callback (derived from btTriangleCallback), and call the triangle mesh processAllTriangles. For each triangle that overlaps your box (aabbMin/aabbMax) a callback to processTriangle is performed:

Code: Select all

 virtual void processTriangle(btVector3* triangle,int partId, int triangleIndex)

See Bullet/Demos/OpenGL/GL_ShapeDrawer.cpp for an example how to use

Thanks,
Erwin