In case Flash no longer exists; a copy of this site is included in the Flashpoint archive's "ultimate" collection.

Dead Code Preservation :: Archived AS3 works from wonderfl.net

DrawSymmetric

20121124把一個問題解決了
Get Adobe Flash player
by junsucom 24 Nov 2012
/**
 * Copyright junsucom ( http://wonderfl.net/user/junsucom )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/yD0F
 */

package {

    import flash.text.TextField;
    import flash.display.Sprite;

    import flash.events.Event;

    import flash.events.MouseEvent;

    

    public class FlashTest extends Sprite {

        private var m_bIsDown:Boolean;

        private var m_uX:Number;

        private var m_uY:Number;

        private var m_uCenX:uint;

        private var m_uCenY:uint;

        private var m_tfX:TextField;
        
        private var m_tfY:TextField;        

        public function FlashTest() {

            m_bIsDown = false;

            

            this.parent.stage.addEventListener(MouseEvent.MOUSE_DOWN, doMouseDown);

            this.parent.stage.addEventListener(MouseEvent.MOUSE_UP, doMouseUp);

            this.parent.stage.addEventListener(Event.ENTER_FRAME, doEnterFrame);

            

            graphics.lineStyle(1, 0);
            
            
            /*
            m_tfX=new TextField();
            m_tfY=new TextField();
            m_tfX.text="please press";
            m_tfY.text="mouse buttom";
            m_tfX.x=10;
            m_tfX.y=10;
            
            m_tfY.x=100;
            m_tfY.y=10;
            
            addChild(m_tfX);
            addChild(m_tfY);
            */

        }

        

        private function doMouseDown(evt:MouseEvent):void

        {

            m_bIsDown = true;

            m_uX = mouseX;

            m_uY = mouseY;

            m_uCenX = mouseX;

            m_uCenY = mouseY;

        }

        

        private function doMouseUp(evt:MouseEvent):void

        {

            m_bIsDown = false;

        }

        

        private function doEnterFrame(evt:Event):void

        {

            if (m_bIsDown)

            {

                    graphics.moveTo(m_uX , m_uY);

                    graphics.lineTo(mouseX, mouseY);

                


                    graphics.moveTo(2*m_uCenX-m_uX , 2*m_uCenY-m_uY);


                    graphics.lineTo(2*m_uCenX-mouseX , 2*m_uCenY-mouseY);

                

                    m_uX = mouseX;

                    m_uY = mouseY;

                    
                

            }

        }

    }

}