/// <summary> Finds point the edge of the rectangle nearest to the specified point. </summary>
/// <param name="target">The target point.</param>
/// <param name="closestEdgePoint">Point the edge of the rectangle nearest to the specified point.</param>
public void ClosestEdgePoint(ref Vector2 target, out Vector2 closestEdgePoint)
{
float x, y;
NumericHelper.Clamp(ref target.X, ref Min.X, ref Max.X, out x);
NumericHelper.Clamp(ref target.Y, ref Min.Y, ref Max.Y, out y);
float dl = MathF.Abs(x - Min.X);
float dr = MathF.Abs(x - Max.X);
float dt = MathF.Abs(y - Min.Y);
float db = MathF.Abs(y - Max.Y);
float m = MathF.Min(MathF.Min(MathF.Min(dl, dr), dt), db);
if (m.NearlyEquals(dt))
{
closestEdgePoint.X = x;
closestEdgePoint.Y = Min.Y;
}
else if (m.NearlyEquals(db))
{
closestEdgePoint.X = x;
closestEdgePoint.Y = Max.Y;
}
else if (m.NearlyEquals(dl))
{
closestEdgePoint.X = Min.X;
closestEdgePoint.Y = y;
}
else
{
closestEdgePoint.X = Max.X;
closestEdgePoint.Y = y;
}
}