intrectscaler.as

Basic AS3 Geom Package

package de.geom
{
	import flash.display.Sprite;
	
	
	import de.math.UintScaler;
	import de.geom.IntRectangle;
	import de.geom.IntPoint;
	
	
	import org.aswing.ASColor;
	import org.aswing.graphics.Graphics2D;
	import org.aswing.graphics.Pen;
	
	
	public class IntRectScaler
	{
		
		private var _startRect:IntRectangle;
		private var _normRect:IntRectangle;
		
		private var _xScaler:UintScaler;
		private var _yScaler:UintScaler;
		
		private var _point:IntPoint;
		
		private var _checkMove:Boolean;
		
		
		public function IntRectScaler(startRect:IntRectangle,normRect:IntRectangle,checkMove:Boolean=false){
			
			_checkMove=checkMove
			
			_startRect=startRect;
			_normRect=normRect;
			
			_xScaler=new UintScaler(_startRect.x,_startRect.x+_startRect.width,_normRect.x,_normRect.x+_normRect.width,_checkMove);
			_yScaler=new UintScaler(_startRect.y,_startRect.y+_startRect.height,_normRect.y,_normRect.y+_normRect.height,_checkMove);
			
		}
		
		public function getResult(point:IntPoint):IntPoint{
			
			_point=point;
			
			return normalize();
			
		}
		
		public function drawNormRect (target:Sprite):void{
			
			var g:Graphics2D = new Graphics2D(target.graphics);
  			var color:ASColor = new ASColor(0xff6600)
  			var pen:Pen = new Pen(color);
  			g.drawRectangle(pen,_normRect.x,_normRect.y,_normRect.width,_normRect.height);
  			 
		}
		
		public function drawStartRect (target:Sprite):void{
			
			var g:Graphics2D = new Graphics2D(target.graphics);
  			var color:ASColor = new ASColor(0x0000ff)
  			var pen:Pen = new Pen(color);
  			g.drawRectangle(pen,_startRect.x,_startRect.y,_startRect.width,_startRect.height);
  			 
		}
		
		private  function normalize():IntPoint{
			
			var result:IntPoint=new IntPoint();
			
			result.x=_xScaler.getResult(_point.x)
			result.y=_yScaler.getResult(_point.y)
			
			return result;
		}
		
		public function updateRange(startRect:IntRectangle,normRect:IntRectangle):IntPoint{
			
			_xScaler=new UintScaler(_startRect.x,_startRect.x+_startRect.width,_normRect.x,_normRect.x+_normRect.width);
			_yScaler=new UintScaler(_startRect.y,_startRect.y+_startRect.height,_normRect.y,_normRect.y+_normRect.height);
			
			return normalize();
			
		}
	}
}