/// <summary> /// Returns the instantaneous velocity given by 4 points and a time value. /// </summary> /// <param name="p0">The start point.</param> /// <param name="p1">The first control point.</param> /// <param name="p2">The second control point.</param> /// <param name="p3">The end point.</param> /// <param name="t">A value between 0 and 1.</param> public static Vector2 Velocity(Vector2 p0, Vector2 p1, Vector2 p2, Vector2 p3, float t) { return(CubicBezierCurve3D.Velocity( new Vector3(p0.X, p0.Y, 0), new Vector3(p1.X, p1.Y, 0), new Vector3(p2.X, p2.Y, 0), new Vector3(p3.X, p3.Y, 0), t ).XY()); }
/// <summary> /// Returns the instantaneous velocity given by 3 points and a normalized time value. /// </summary> /// <param name="p0">The start point.</param> /// <param name="p1">The control point.</param> /// <param name="p2">The end point.</param> /// <param name="t">A value between startTime and endTime.</param> /// <param name="startTime"></param> /// <param name="endTime"></param> public static Vector3 Velocity(Vector3 p0, Vector3 p1, Vector3 p2, float t, float startTime, float endTime) { var(cubicP0, cubicP1, cubicP2, cubicP3) = AsCubic(p0, p1, p2); return(CubicBezierCurve3D.Velocity(cubicP0, cubicP1, cubicP2, cubicP3, t, startTime, endTime)); }
/// <summary> /// Returns the instantaneous velocity given by 3 points and a normalized time value. /// </summary> /// <param name="p0">The start point.</param> /// <param name="p1">The control point.</param> /// <param name="p2">The end point.</param> /// <param name="t">A value between 0 and 1.</param> public static Vector3 Velocity(Vector3 p0, Vector3 p1, Vector3 p2, float t) { var(cubicP0, cubicP1, cubicP2, cubicP3) = AsCubic(p0, p1, p2); return(CubicBezierCurve3D.Velocity(cubicP0, cubicP1, cubicP2, cubicP3, t)); }