public static RectI GetIntersection(RectI a, RectI b)
{
int a_x = a.x;
int a_r = a.GetRight();
int a_y = a.y;
int a_t = a.GetBottom();
int b_x = b.x;
int b_r = b.GetRight();
int b_y = b.y;
int b_t = b.GetBottom();
int i_x = MathUtils.Max(a_x, b_x);
int i_r = MathUtils.Min(a_r, b_r);
int i_y = MathUtils.Max(a_y, b_y);
int i_t = MathUtils.Min(a_t, b_t);
return(i_x < i_r && i_y < i_t ? new RectI(i_x, i_y, i_r - i_x, i_t - i_y) : null);
}
public static RectI GetIntersection(RectI a, RectI b, RectI result)
{
int a_x = a.x;
int a_r = a.GetRight();
int a_y = a.y;
int a_t = a.GetBottom();
int b_x = b.x;
int b_r = b.GetRight();
int b_y = b.y;
int b_t = b.GetBottom();
int i_x = MathUtils.Max(a_x, b_x);
int i_r = MathUtils.Min(a_r, b_r);
int i_y = MathUtils.Max(a_y, b_y);
int i_t = MathUtils.Min(a_t, b_t);
if (i_x < i_r && i_y < i_t)
{
result.Set(i_x, i_y, i_r - i_x, i_t - i_y);
return(result);
}
return(result);
}