projected textures not appear on the "back" of the mesh as well?

Posted by user975135 on Game Development See other posts from Game Development or by user975135
Published on 2013-06-29T08:34:03Z Indexed on 2013/06/29 10:30 UTC
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textures

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projection

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character

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panda3d

I want to create blood wounds on my character's bodies by using projected textures. I've watched some commentaries on games like Left 4 Dead and they say they use projected textures for the blood. But the way projected textures work is that if you project a texture on a rigged character, say his chest, it will also appear on his back. So what's the trick? How to get projected textures appear only on one "side" of the mesh?

I use the Panda3D game engine, if that will help.

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