flash on 2014-4-1

/**
 * Copyright tepe ( http://wonderfl.net/user/tepe )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/bX9O
 */

package {
    import flash.display.*;
    import flash.events.*;
    public class FlashTest extends Sprite {
        private var s1:Sprite = new Sprite();
        private var s2:Sprite = new Sprite();
        public function FlashTest() {
            // write as3 code here..
            addEventListener(Event.ENTER_FRAME,onFrame);
            s1.graphics.beginFill(0xff0000);
            s1.graphics.drawRect(0,0,50,50);
            s1.graphics.endFill();
            addChild(s1);
            
            
            s2.x = 200;
            s2.y = 200;
            s2.graphics.beginFill(0x0000ff);
            s2.graphics.drawRect(0,0,50,50);
            s2.graphics.endFill();
            addChild(s2);
        }
        private function onFrame(e:Event):void{
            
            s1.x = mouseX-s1.width/2;
            s1.y = mouseY-s1.height/2;
            
            //s1の中心座標
            var s1cx:Number = s1.x+(s1.width/2);
            var s1cy:Number = s1.y+(s1.height/2);
            //s2の中心座標
            var s2cx:Number = s2.x+(s2.width/2);
            var s2cy:Number = s2.y+(s2.height/2);
            
            
            //差
            var disX:Number = s2cx - s1cx;
            var disY:Number = s2cy - s1cy;
            
            
            
            this.graphics.clear();
            if(Math.abs(disX) <= (s1.width+s2.width)/2)this.graphics.lineStyle(1,0xff0000);
            else this.graphics.lineStyle(1,0x00ff00);
            this.graphics.moveTo(s1cx,100);
            this.graphics.lineTo(s2cx,100);
            this.graphics.moveTo(s1cx,100-10);
            this.graphics.lineTo(s1cx,100+10);
            this.graphics.moveTo(s2cx,100-10);
            this.graphics.lineTo(s2cx,100+10);
            
            this.graphics.moveTo(s2.x,100+10);
            this.graphics.lineTo(s2.x+s2.width,100+10);
            
            this.graphics.moveTo(s1.x,100+10);
            this.graphics.lineTo(s1.x+s1.width,100+10);
        }

    }
}