public Rect GetAABB()
{
var ll = LowerLeft;
var lr = LowerRight;
var ul = UpperLeft;
var ur = UpperRight;
var minx = TWMath.Min(ll.x, lr.x, ul.x, ur.x);
var miny = TWMath.Min(ll.y, lr.y, ul.y, ur.y);
var maxx = TWMath.Max(ll.x, lr.x, ul.x, ur.x);
var maxy = TWMath.Max(ll.y, lr.y, ul.y, ur.y);
return(new Rect(minx, miny, maxx - minx, maxy - miny));
}
private static bool SeparatesOnAxis(Vector2 axis, float aMin, float aMax, Vector2 b1, Vector2 b2, Vector2 b3, Vector2 b4)
{
var dotb1 = Vector2.Dot(axis, b1);
var dotb2 = Vector2.Dot(axis, b2);
var dotb3 = Vector2.Dot(axis, b3);
var dotb4 = Vector2.Dot(axis, b4);
var bMin = TWMath.Min(dotb1, dotb2, dotb3, dotb4);
var bMax = TWMath.Max(dotb1, dotb2, dotb3, dotb4);
if (aMin > bMax || bMin > aMax)
{
return(true);
}
return(false);
}