forked from: flash on 2011-6-17

/**
 * Copyright shaktool ( http://wonderfl.net/user/shaktool )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/2TYU
 */

package {
    import flash.display.Sprite;
    import flash.events.*;
    public class FlashTest extends Sprite {
        
        public function FlashTest() {
            addEventListener(Event.ENTER_FRAME, onEnterFrame);
        }
        
        private function onEnterFrame(event: Event): void {
            var windowSize: Number = 465;
            var circleY: Number = (mouseY / windowSize);
            var circleX: Number = (mouseX / windowSize);
            
            var distance: Number = Math.sqrt(circleX * circleX + circleY * circleY);
            if (distance > 1) {
                circleX /= distance;
                circleY /= distance;
            }
            
            var diamondX: Number = circleX;
            var diamondY: Number = circleY;
            
            distance = diamondX + diamondY;
            if (distance > 1) {
                diamondX /= distance;
                diamondY /= distance;
            }
            
            graphics.clear();
            graphics.lineStyle(1, 0x000000);
            graphics.moveTo(circleX * windowSize, circleY * windowSize);
            graphics.lineTo(diamondX * windowSize, diamondY * windowSize);
            graphics.drawCircle(0,0,windowSize);
            graphics.lineStyle();
        }
    }
}