| public static CalculateBezierDerivative ( Vector3 p0, Vector3 p1, Vector3 cp0, Vector3 cp1, float t ) : Vector3 | ||
| p0 | Vector3 | |
| p1 | Vector3 | |
| cp0 | Vector3 | |
| cp1 | Vector3 | |
| t | float | |
| return | Vector3 | |
public static Vector3 CalculateBezierDerivative(Vector3 p0, Vector3 p1, Vector3 cp0, Vector3 cp1, float t)
{
float oneMinusT = 1f - t;
return 3f * oneMinusT * oneMinusT * (cp0 - p0) + 6f * oneMinusT * t * (cp1 - cp0) + 3f * t * t * (p1 - cp1);
}
Vector2 GetDerivative(LinePoint p0, LinePoint p1, float t)
{
if (p0.isNextCurve || p1.isPrvCurve)
{
return(Curve.CalculateBezierDerivative(p0.point, p1.point, p0.nextCurvePoint, p1.prvCurvePoint, t));
}
return((p1.point - p0.point).normalized);
}