07-21-2020, 11:39 AM
1- simple maths: speed = distance / time. The distance is either the spline's, the path's or the volume's length, depending on what type of controller you are using
2- complexe maths: As you can see here for Bézier splines, the points on a spline are not evenly distributed depending on the Bézier handles https://en.wikipedia.org/wiki/B%C3%A9zier_curve
To eliminate the stretching on a Bézier spline, you need to find the perfect length of the Bézier handles, which can be difficult.
That effect is less pronounced in Catmull-Rom splines, and nonexistent in linear splines.
2- complexe maths: As you can see here for Bézier splines, the points on a spline are not evenly distributed depending on the Bézier handles https://en.wikipedia.org/wiki/B%C3%A9zier_curve
To eliminate the stretching on a Bézier spline, you need to find the perfect length of the Bézier handles, which can be difficult.
That effect is less pronounced in Catmull-Rom splines, and nonexistent in linear splines.
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