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viper110110

tank treads

3 posts in this topic

What would be a decently good way to create/animate tank treads?

 

The best idea I can come up with is to have a model in the shape of the track but hollow on the sides, then have a track texture that gets tiled around the model. Then I can pass an offset into the shader to adjust the u or v coordinate to make it look like it is going around.

 

I want to avoid anything complicated in modelling like rigging or paths.

 

I'm using DirectX 11

Edited by viper110110
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minor thought:

another possible option (besides a scrolling the texture) is the possible use of an animated texture.

then, one basically just has an animated texture of the tank-treads moving and similar, and it can do its thing without needing to mess with the texture coordinates.

 

one possible downside though is if one needs the ability to start/stop the tank moving, and have the wheels/treads stop when the tank stops, which would be problematic for naive use of animated textures. it could be done though, say if there is some option to tell the appropriate rendering logic when to enable/disable the textures' frame-cycling (say, if we have a flag or similar to stop the animated textures for this model).

Edited by BGB
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unless you wan to do the physics thing, i'd say animated wheel textures, and an animated track texture on the "track mesh".    what kind of mapping looks good on a torus? never tried it.   but the track mesh would be a big "band" around the wheels, so essentially a highly modified torus. 

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