Off The Chain...
When embarking on the task to rig up a vehicle its a good idea to consider the other secondary animations at play for example rotors, belts, chains ect...
In this instance i have used a ik spline handle using the offset to drive the behaviour.
I have connected the wheel drive attribute into pi * 2r node setup to compensate for the length of the chain. To avoid flipping im using advanced twist with rotation up and a locator up vector in the middle of the curve driving the joints.
![](https://static.wixstatic.com/media/d7e6be_139bf548415e47f5bfa003d999094e1d~mv2.gif/v1/fill/w_980,h_725,al_c,usm_0.66_1.00_0.01,pstr/d7e6be_139bf548415e47f5bfa003d999094e1d~mv2.gif)
![](https://static.wixstatic.com/media/d7e6be_ecb33c1b40cc4d99ae88beb60ad434eb~mv2.gif/v1/fill/w_980,h_607,al_c,usm_0.66_1.00_0.01,pstr/d7e6be_ecb33c1b40cc4d99ae88beb60ad434eb~mv2.gif)
If you draw out a curve you can use the following script create joints and place them around the curve.
![](https://static.wixstatic.com/media/d7e6be_e557bc9250804c6ead9fa4928e70f7f0~mv2.png/v1/fill/w_937,h_232,al_c,q_85,enc_auto/d7e6be_e557bc9250804c6ead9fa4928e70f7f0~mv2.png)
any questions feel free to reach out.
Jason
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