Pointの練習

Point

by argon 04 Mar 2012

Embed

/**
 * Copyright argon ( http://wonderfl.net/user/argon )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/s4lo
 */

package 
{
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.Point;
    
    /**
     * ...
     * @author I am Afro Boy ヾ(｡｀Д´｡)ﾉ
     */
    public class Main extends Sprite 
    {
    
        private var maru:Draw;
        
        public function Main():void 
        {
            if (stage) init();
            else addEventListener(Event.ADDED_TO_STAGE, init);
        }
        
        private function init(e:Event = null):void 
        {
            removeEventListener(Event.ADDED_TO_STAGE, init);
            // entry point
            maru = new Draw();
            addChild(maru);
            var pt:Point = new Point(300, 100);
            var angle:Number = Math.atan2(pt.y, pt.x);
            trace(angle * 180 / Math.PI);
            graphics.lineStyle(3, 0x000000);
            graphics.moveTo(0, 0);
            graphics.lineTo(pt.x, pt.y);
            
            var vec1:Point = new Point(30, 20);
            var vec2:Point = new Point(5, 5);
            var vec3:Point = vec1.add(vec2);
            var vec4:Point = vec2.subtract(vec1);
            var d:Number = Point.distance(vec1, vec2);
            trace(vec3, vec4, d);
            
            /*graphics.beginFill(0x000000);
            graphics.drawCircle(vec1.x, vec1.y, 5);
            graphics.endFill();*/
            
            graphics.beginFill(0x000000);
            graphics.drawCircle(pt.x, pt.y,5);
            graphics.endFill();
            
            var pt1:Point = new Point(300, 50);
            var pt2:Point = new Point(450, 200);
            var pt3:Point = new Point(100, 450);
            graphics.lineStyle(3, 0x000000);
            graphics.moveTo(pt1.x, pt1.y);
            graphics.lineTo(pt2.x, pt2.y);
            graphics.lineTo(pt3.x, pt3.y);
            
            graphics.drawCircle(pt1.x, pt1.y, 5);
            graphics.drawCircle(pt2.x, pt2.y, 5);
            graphics.drawCircle(pt3.x, pt3.y, 5);
            graphics.endFill();
            
            maru.x = pt.x; maru.y = pt.y;
            addEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
        }
        
        private function onEnterFrameHandler(e:Event):void 
        {
            maru.rotation += .5;
        }
        
    }
    
}


    import flash.display.MovieClip;
    import flash.display.Sprite;
    /**
     * ...
     * @author I am Afro Boy ヾ(｡｀Д´｡)ﾉ
     */
     class Draw extends MovieClip
    {
        private var sp:Sprite;
        
        public function Draw() 
        {
            sp = new Sprite();
            sp.graphics.lineStyle(3, 0x000000);
            sp.graphics.moveTo(0, 0);
            sp.graphics.lineTo(10, 0);
            sp.graphics.drawCircle(0, 0, 10);
            sp.graphics.endFill();
            addChild(sp);
        }
        
    }