Returns the position at parameter T along a piecewise cubic B-spline defined by an array of control point positions.
Category: Curves
Output Ports: Result
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Array of control point positions. At least 4 positions are needed to define a B-spline segment.
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The parameter value for which to return the corresponding position on the curve.
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Repeats the first and last control point positions so that the curve passes through the end points.
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