public BoundingBox2D ExpandTo(BoundingBox2D box)
{
this.ExpandTo(box.min);
this.ExpandTo(box.max);
return(this);
}
public static BoundingBox2D FromVectices(Vector2 v1, Vector2 v2)
{
var box = new BoundingBox2D();
box.min = box.max = v1;
box.ExpandTo(v2);
return(box);
}
public static BoundingBox2D FromTriangle(Vector2 v1, Vector2 v2, Vector2 v3)
{
var box = new BoundingBox2D();
box.min = v1; box.max = v1;
box.ExpandTo(v2);
box.ExpandTo(v3);
return(box);
}
public static BoundingBox2D FromVectices(IEnumerable <Vector2> vs)
{
var box = new BoundingBox2D();
if (vs.Count() < 1)
{
return(box);
}
box.min = vs.First();
box.max = box.min;
if (vs.Count() < 2)
{
return(box);
}
foreach (var v in vs.Skip(1))
{
box.ExpandTo(v);
}
return(box);
}
public static bool Intersects(BoundingBox2D a, BoundingBox2D b)
{
return(Intersects(a.min, a.max, b.min, b.max));
}
public bool Intersects(BoundingBox2D b)
{
return(Intersects(this, b));
}
