The points to scale; they are not changed and the result keeps their order.
OptionalcenterThe point that stays in place while the others move away from it or toward it.
OptionalscaleThe factor for each axis as [x, y, z]: [1, 2, 1] doubles distances along Y and leaves
X and Z as they are.
Points, a center and a factor per axis for
point.scalePointsCenterXYZ.