private void Split()
{
var hx = _bounds.width / 2;
var hz = _bounds.height / 2;
var sz = new Vector2(hx, hz);
//split a
var aLoc = _bounds.position;
var aRect = new Rect(aLoc, sz);
//split b
var bLoc = new Vector2(_bounds.position.x + hx, _bounds.position.y);
var bRect = new Rect(bLoc, sz);
//split c
var cLoc = new Vector2(_bounds.position.x + hx, _bounds.position.y + hz);
var cRect = new Rect(cLoc, sz);
//split d
var dLoc = new Vector2(_bounds.position.x, _bounds.position.y + hz);
var dRect = new Rect(dLoc, sz);
//assign QuadTrees
_childA = QuadTreePool.GetQuadTree(aRect, this);
_childB = QuadTreePool.GetQuadTree(bRect, this);
_childC = QuadTreePool.GetQuadTree(cRect, this);
_childD = QuadTreePool.GetQuadTree(dRect, this);
for (int i = _bodies.Count - 1; i >= 0; i--)
{
var child = GetQuadrant(_bodies[i].Position);
child.AddBody(_bodies[i]);
_bodies.RemoveAt(i);
}
}
public void Clear()
{
QuadTreePool.PoolQuadTree(_childA);
QuadTreePool.PoolQuadTree(_childB);
QuadTreePool.PoolQuadTree(_childC);
QuadTreePool.PoolQuadTree(_childD);
_childA = null;
_childB = null;
_childC = null;
_childD = null;
_bodies.Clear();
}
public void Clear()
{
QuadTreePool.PoolQuadTree(this.childA);
QuadTreePool.PoolQuadTree(this.childB);
QuadTreePool.PoolQuadTree(this.childC);
QuadTreePool.PoolQuadTree(this.childD);
this.childA = null;
this.childB = null;
this.childC = null;
this.childD = null;
this.bodies.Clear();
}
public UITextElement(UIManager manager, BitmapFont font) : base(manager)
{
_font = font;
_segment = new TextSegment(font);
_segment.GlyphCallback = GlyphCallback;
_quadTree = QuadTreePool <CharSpriteInfo> .Rent(RectangleF.Empty, threshold : 2, allowOverflow : true, fuzzyBoundaries : true);
Color = Color.White;
CaretColor = Color.Orange;
HorizontalAlignment = TextHorizontalAlignment.Left;
VerticalAlignment = TextVerticalAlignment.Top;
IsShadowed = false;
ShadowColor = new Color(Color.Black, 0.75f);
ShadowSpacing = new ThicknessF(2, -1, 2, -1);
IsMouseEventTrigger = true;
OnMouseDown += UITextElement_OnMousePress;
}
