/// <summary>
/// This is essentially the same as Lerp but instead the function will ensure that the speed never exceeds maxDistanceDelta.
/// Negative values of maxDistanceDelta pushes the vector away from target.
/// </summary>
public static PointF MoveTowards(this PointF current, PointF target, float maxDistanceDelta)
{
var dir = target.Sub(current);
var magnitude = dir.Length();
if (magnitude <= maxDistanceDelta || magnitude <= float.Epsilon)
{
return(target);
}
return(current.Add(dir.Mul(maxDistanceDelta / magnitude)));
}
/// <summary>
/// Size BetWeen Two PointF
/// </summary>
/// <param name="p"></param>
/// <param name="p2"></param>
/// <returns></returns>
public static SizeF Diff(PointF p, PointF p2)
{
return new SizeF(p2.Sub(p));
}
