| public static DerivOnBezier ( Vector3 p0, Vector3 p1, Vector3 p2, Vector3 p3, float t ) : Vector3 | ||
| p0 | Vector3 | |
| p1 | Vector3 | |
| p2 | Vector3 | |
| p3 | Vector3 | |
| t | float | |
| Résultat | Vector3 | |
public static Vector3 DerivOnBezier(Vector3 p0, Vector3 p1, Vector3 p2, Vector3 p3, float t)
{
return 3*(1-t)*(1-t)*(p1-p0) + 6*t*(1-t)*(p2-p1) + 3*t*t*(p3-p2);
}
| Bezier::DerivOnBezier ( Vector3 p0, Vector3 p1, Vector3 p2, float t ) : Vector3 |
private Vector3 GetDerivRaw(float t)
{
int base_coord = (int)t * 3;
if (base_coord + 4 > points.Length || base_coord < 0)
{
return(Vector3.zero);
}
float t_sub = t - (int)t;
return(Bezier.DerivOnBezier(points[base_coord], points[base_coord + 1], points[base_coord + 2], points[base_coord + 3], t_sub));
}