public static bool IsUnderPoint(this GameObject gameObject, Vector2 point)
{
BoxCollider2D boxCollider2D = gameObject.GetComponent <BoxCollider2D> ();
if (boxCollider2D != null)
{
Rect r = RectExtensions.FromCollider(boxCollider2D);
return(r.Contains(point));
}
CircleCollider2D circleCollider2D = gameObject.GetComponent <CircleCollider2D> ();
if (circleCollider2D != null)
{
Vector2 dist = ((Vector2)circleCollider2D.transform.position + circleCollider2D.offset) - point;
return(dist.magnitude < circleCollider2D.radius);
}
Debug.LogWarning("IsUnderPoint : No collider on object " + gameObject.name);
return(false);
}
public static GameObject GetChildUnderPoint(this GameObject gameObject, Vector2 point)
{
int count = gameObject.transform.childCount;
for (int i = 0; i < count; i++)
{
GameObject child = gameObject.transform.GetChild(i).gameObject;
BoxCollider2D boxCollider2D = child.GetComponent <BoxCollider2D> ();
if (boxCollider2D != null)
{
Rect r = RectExtensions.FromCollider(boxCollider2D);
// Debug.Log ( "Rect : " + r.ToString() + " - Point : " + point.ToString() );
if (r.Contains(point))
{
return(child);
}
}
}
return(null);
}