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Toothbrush collision

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ondrej menclToothbrush collision
by on Mar 19, 2010 at 2:41:23 pm

Hello i am just wondering how would you do the simple animation of toothbrush cleaning the teath. The tricky part is the collision hair with teeth. What would you use to simulate it? Hair? Reactor?
here is example what i mean:






Thank you for any advise or point me to some tuto.
Ondrej





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Andy MiddletonRe: Toothbrush collision
by on Mar 21, 2010 at 6:02:24 pm

Depends on how detailed you need to be or how slow your animation is. Trying to proceeduraly figure that one may incur some serious processing time. Perhaps you could get away with something as simple as a ffd modifier like a 4x4 ffd or even a cylinder ffd...which has more control points. Another thought... a combo of a noise modifier with a bend &/or taper mod.
regards
Andy


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ondrej menclRe: Toothbrush collision
by on Mar 21, 2010 at 10:10:51 pm

Well i was thinking i would like it realistic, which means some collision deformations or so...



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Andy MiddletonRe: Toothbrush collision
by on Mar 22, 2010 at 2:00:06 pm

I would choose the cloth mod then and align gravity so that it wants to pull the bristles straight. using collision detection through the cloth deformation. Its not something I do much so I would recommend reading the tuts on cloth (if you havent already). You can group your verticees which may help things along.
Good Luck! :)
Andy


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