- Select four control points to see resulting curve.
- Create a series of curves (the last point of each curve is
the first point of the next).
- left click - add a point
- middle click - turn labels on / off
- right click - delete point
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- Select "Display C1 continuity hint" to see a line
going through the third and fourth point of each section. The
second point of the next curve should be on that line for the
curve to be C1 continuous at the connecting point.
- Select "Display convex hull". Move points around
to see that a Bezier curve always stays within the convex hull
of its control points.
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