interpolation/Cubic/Vector

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Interpolation/Cubic/Vector

Summary

Function: vector vCub( vector a, vector b, vector c, vector d, float t );

Cubic interpolation between four vectors.
Returns a vector

• vector	a
• vector	b
• vector	c
• vector	d
• float	t

Specification

vector vCub(vector a, vector b, vector c, vector d, float t) {
    float P = (d-c)-(a-b);
    return P*llPow(t,3) + ((a-b)-P)*llPow(t,2) + (c-a)*t + b;
}
// Released into public domain. By Nexii Malthus.

Examples