* Each constraint uses a set of parameters. In the SolveSpace library
* these parameters are named "valA", "ptA", "ptB", "entityA", "entityB".
* The "ptA" and "ptB" parameters represents a point in the constraint.
* Each constraint uses a set of parameters. In the SolveSpace library
* these parameters are named "valA", "ptA", "ptB", "entityA", "entityB".
* The "ptA" and "ptB" parameters represents a point in the constraint.