FlatRedBall.Glue.ElementRuntime.Destroy C# (CSharp) Method

        public void Destroy()
        {
            if (this.DirectObjectReference == SpriteManager.Camera)
            {
                SpriteManager.Camera.Detach();

            }

            mReferencedFileRuntimeList.Destroy();
            
            for (int i = mContainedElements.Count - 1; i > -1; i--)
            {
                ElementRuntime e = mContainedElements[i];

                e.Destroy();
            }

            for (int i = mElementsInList.Count - 1; i > -1; i--)
            {
                ElementRuntime e = mElementsInList[i];

                e.Destroy();
            }

            if (mDirectObjectReference != null)
            {
                Type directReferenceType = mDirectObjectReference.GetType();

                if (directReferenceType == typeof(AxisAlignedRectangle))
                {
                    ShapeManager.Remove((AxisAlignedRectangle)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(Circle))
                {
                    ShapeManager.Remove((Circle)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(Layer))
                {
                    SpriteManager.RemoveLayer((Layer)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(Line))
                {
                    ShapeManager.Remove((Line)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(Polygon))
                {
                    ShapeManager.Remove((Polygon)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(Sphere))
                {
                    ShapeManager.Remove((Sphere)mDirectObjectReference);
                }
                else if(directReferenceType == typeof(SplineList))
                {
                    var splineList = ((SplineList)mDirectObjectReference);
                    splineList.RemoveFromManagers();
                }
                else if (directReferenceType == typeof(Spline))
                {
                    var spline = ((Spline)mDirectObjectReference);
                    spline.Visible = false;
                }
                else if (directReferenceType == typeof(Sprite))
                {
                    SpriteManager.RemoveSprite((Sprite)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(SpriteFrame))
                {
                    SpriteManager.RemoveSpriteFrame((SpriteFrame)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(Text))
                {
                    TextManager.RemoveText((Text)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(ShapeCollection))
                {
                    ((ShapeCollection)mDirectObjectReference).RemoveFromManagers();
                }
                else if (directReferenceType == typeof(Scene))
                {
                    ((Scene)mDirectObjectReference).RemoveFromManagers();
                }
                else if (directReferenceType == typeof(Emitter))
                {
                    SpriteManager.RemoveEmitter((Emitter)mDirectObjectReference);
                }
                else if (directReferenceType == typeof(Camera))
                {
                    Camera camera = (Camera)mDirectObjectReference;
                    if (camera == SpriteManager.Camera)
                    {
                        // do nothing
                    }
                    else
                    {
                        SpriteManager.Cameras.Remove((Camera)mDirectObjectReference);
                    }
                }
                else if (directReferenceType == typeof(SpriteGrid))
                {
                    SpriteGrid spriteGrid = (SpriteGrid)mDirectObjectReference;
                    spriteGrid.Destroy();
                }
                else
                {
                    throw new NotImplementedException("GlueView is not properly able to remove object of type " + mDirectObjectReference.GetType());
                }

            }

            SpriteManager.RemovePositionedObject(this);

            FlatRedBallServices.Unload(ContentManagerName);

            mContainedElements.Clear();
        }