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Interpolating cubic Bezier curve
Given points A, B, C, and D, it computes points B' and C', such that the cubic Bezier curve defined by the control polygon (A.B',C',D) interpolates A, B, C, and D.
B'= ( -15A + 54B - 27C + 6D ) / 18 and C'= ( -15D + 54C - 27B + 6A ) / 18
Built by
Jarek Rossignac
with
Processing.
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