Joint constraints

Joint constraints are rotational constraints on the

independently. An elbow, for instance, could be represented by limiting rotation on X and Z axis to 0 degrees, and constraining the Y-axis rotation to 130 degrees.

To simulate joint constraints more accurately, dot-products can be used with an independent

tangent to the surface of the joint, repulsing the child bone away from the border, can also be useful in the precise restriction of shoulder movement.

References

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