/// <summary>
/// Generates a normal node of the Quadtree.
/// This one contains no Tiles, but conatins 4 ChildNodes
/// </summary>
/// <param name="parentRect">The Rectangle of the Parent Node.
/// The Node will generate his own rectangle depending on the Indicator</param>
/// <param name="indicator">The Indicator controlls which Position this Node will have in the Parent Node</param>
/// <param name="layernumber">The current Layernumber</param>
/// <param name="maxLayer">The Maximum count of Layers in the Quadtree</param>
/// <param name="leveltiles">The Tiles from the Level which should be included into the Quadtree</param>
public QuadTreeNode(Rectangle parentRect,QTI indicator,int layernumber,int maxLayer,Tile[,] leveltiles)
{
ownRect = GenerateRect(parentRect, indicator);
childTreeNodes = GenerateChildNodes(ownRect, layernumber, maxLayer, leveltiles);
}
private Rectangle GenerateRect(Rectangle sourceRectangle, QTI indicator)
{
Point temppos;
Point tempsize;
tempsize = new Point(
sourceRectangle.Width / 2,
sourceRectangle.Height / 2);
switch (indicator)
{
case QTI.LeftBottom:
temppos = new Point(
sourceRectangle.X,
sourceRectangle.Y + sourceRectangle.Height / 2);
break;
case QTI.LeftTop:
temppos = new Point(
sourceRectangle.X,
sourceRectangle.Y);
break;
case QTI.RightBottom:
temppos = new Point(
sourceRectangle.X + sourceRectangle.Width / 2,
sourceRectangle.Y + sourceRectangle.Height / 2);
break;
case QTI.RightTop:
temppos = new Point(
sourceRectangle.X + sourceRectangle.Width / 2,
sourceRectangle.Y);
break;
default:
temppos = new Point(
sourceRectangle.X,
sourceRectangle.Y);
break;
}
return new Rectangle(temppos.X, temppos.Y, tempsize.X, tempsize.Y);
}
