/// <summary>
/// Create an empty box
/// </summary>
/// <returns></returns>
public static AABB2D EmptyBox()
{
AABB2D box = new AABB2D();
box.min = new Vector2(Single.MaxValue);
box.max = new Vector2(Single.MinValue);
return(box);
}
/// <summary>
/// Test two AABB2Ds against each other.
/// </summary>
/// <param name="box"></param>
/// <returns>True if they intersect. False otherwise.</returns>
public bool Intersect(AABB2D box)
{
bool result = true;
if ((min.X > box.max.X || max.X < box.min.X) ||
(min.Y > box.max.Y || max.Y < box.min.Y))
{
result = false;
}
return(result);
} // end of AABB2D Intersect()
} // end of Touched()
public bool Touched(TouchContact touch, Vector2 adjustedTouchPos, bool confirm)
{
bool result = false;
if (Contains(adjustedTouchPos))
{
if (touch.phase == TouchPhase.Began)
{
// touch down - store object touched
touch.TouchedObject = this;
}
else if (touch.phase == TouchPhase.Ended)
{
if (confirm)
{
AABB2D storedHitBox = touch.TouchedObject as AABB2D;
if (storedHitBox != null)
{
if (storedHitBox == touch.TouchedObject)
{
// touch up/released on the same object
result = true;
touch.TouchedObject = null;
}
}
}
else
{
result = true;
touch.TouchedObject = null;
}
}
}
return(result);
} // end of Touched()
} // end of AABB2D c'tor
public AABB2D(AABB2D src)
{
this.min = src.min;
this.max = src.max;
}
/// <summary>
/// Union self with other box.
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public AABB2D Union(AABB2D other)
{
min = Vector2.Min(min, other.Min);
max = Vector2.Max(max, other.Max);
return(this);
}
} // end of Set
/// <summary>
/// Initialize from another bounding box.
/// </summary>
/// <param name="src"></param>
public void Set(AABB2D src)
{
this.min = src.Min;
this.max = src.Max;
}
