public bool intersects(RectangleI R)
{
int[] p = R.points;
bool contain = false;
bool outside = false;
int i = 0;
while (i < p.Length)
{
if (containsPoint(p[i++], p[i++]))
{
contain = true;
}
else
{
outside = true;
}
}
if (contain && outside)
{
return(true);
}
if (R.left < left && R.right > right)
{
//if ((top <= R.top && bottom <= R.top) || (top <= R.bottom && bottom <= R.bottom))
if ((top <= R.top && bottom >= R.top) || (top <= R.bottom && bottom >= R.bottom))
{
return(true);
}
}
if (R.top < top && R.bottom > bottom)
{
if ((left <= R.left && right >= R.left) || (left <= R.right && right >= R.right))
{
return(true);
}
}
/*if (R.left < left && R.right > right)
* {
* if ((top <= R.top && bottom <= R.top) || (top <= R.bottom && bottom <= R.bottom))
* {
* return true;
* }
* }
* if (R.top < top && R.bottom > bottom)
* {
* if ((left <= R.left && right <= R.left) || (left <= R.right && right <= R.right))
* {
* return true;
* }
* }*/
return(false);
}
public bool isTouching(RectangleI R)
{
if (R == null)
{
return(false);
}
int[] p = R.points;
int i = 0;
while (i < p.Length)
{
if (containsPoint(p[i++], p[i++]))
{
return(true);
}
}
if (intersects(R))
{
return(true);
}
return(false);
}