public bool AddChild(DisplayObject obj)
{
if (obj.parent != null)
{
return false;
}
children.Add(obj);
obj.parent = this;
obj.DispatchEvent(new Event(Event.ADDED_TO_STAGE));
obj.GlobalTransform = transformMatrix;
return true;
}
/// <summary>
/// Checks if object intersects with other
/// </summary>
/// <param name="obj">Displayobject to check intersection with</param>
/// <returns>true, if objects intersects, false otherwise</returns>
public virtual bool HitTestObject(DisplayObject obj)
{
throw new NotImplementedException("A HitTestObject is not implemented yet");
var bounds1 = GetBounds();
var bounds2 = obj.GetBounds();
// TODO: Coordinates should be all transformed to global!
// Global first body
var topLeft1_g = this.LocalToGlobal(new Vector2(bounds1.X, bounds1.Y));
var botRight1_g = this.LocalToGlobal(new Vector2(bounds1.Z, bounds1.W));
// Global second body
var topLeft2_g = obj.LocalToGlobal(new Vector2(bounds2.X, bounds2.Y));
var botRight2_g = obj.LocalToGlobal(new Vector2(bounds2.Z, bounds2.W));
// Setup boundig boxes
BoundingBox bb1 = new BoundingBox(new Vector3(topLeft1_g, 0), new Vector3(botRight1_g, 0));
BoundingBox bb2 = new BoundingBox(new Vector3(topLeft2_g, 0), new Vector3(botRight2_g, 0));
return bb1.Intersects(bb2);
}
public bool AddChildAt(DisplayObject obj, int index)
{
if (obj.parent != null)
{
return false;
}
// Вставка перед объектом с индексом index
children.Insert(index + 1, obj);
obj.parent = this;
obj.DispatchEvent(new Event(Event.ADDED_TO_STAGE));
obj.GlobalTransform = transformMatrix;
return true;
}
public bool RemoveChild(DisplayObject obj)
{
if (!children.Remove(obj))
{
return false;
}
obj.DispatchEvent(new Event(Event.REMOVED_FROM_STAGE));
obj.parent = null;
obj.stage = null;
return true;
}
public int GetChildIndex(DisplayObject obj)
{
return children.IndexOf(obj);
}