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Can objects be extruded during game play in Blender's game engine? If so, how would I do this?

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  • $\begingroup$ Maybe with a Python script. We'll see what some more advanced Python programmers have to say $\endgroup$ – VRM Oct 6 '15 at 22:10
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Depends on what you mean with "extrude".

In terms of mesh-editing the answer is no. This is simply because you can't add faces to meshes from within the BGE.

As this does not help you with what you want, I suggest to get rid of the "extrude face" idea towards an "extrude effect". It does not add faces, but deforms the mesh in a way that it looks as it would do that.

There are several ways to achieve that:

  • armature deformation -> it can animate scaling too
  • shape key deformation
  • scaling animation -> would effect the complete mesh
  • mesh manipulating via Python (not a simple task)
  • adding objects ...

Without more information I can't tell what option is sufficient with your situation.

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