Nez.RectangleExt.getClosestPointOnRectangleBorderToPoint C# (CSharp) Méthode

		public static Point getClosestPointOnRectangleBorderToPoint( ref Rectangle rect, Vector2 point )
		{
			// for each axis, if the point is outside the box clamp it to the box else leave it alone
			var res = new Point();
			res.X = Mathf.clamp( (int)point.X, rect.Left, rect.Right );
			res.Y = Mathf.clamp( (int)point.Y, rect.Top, rect.Bottom );

			// if point is inside the rectangle we need to push res to the border since it will be inside the rect
			if( rect.Contains( res ) )
			{
				var dl = res.X - rect.Left;
				var dr = rect.Right - res.X;
				var dt = res.Y - rect.Top;
				var db = rect.Bottom - res.Y;

				var min = Mathf.minOf( dl, dr, dt, db );
				if( min == dt )
					res.Y = rect.Top;
				else if( min == db )
					res.Y = rect.Bottom;
				else if( min == dl )
					res.X = rect.Left;
				else
					res.X = rect.Right;
			}

			return res;
		}