Forked from:: _wonder's 加速する運動

forked from: 加速する運動

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license : MIT License
modified : 2011-03-15 11:29:48

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// forked from _wonder's 加速する運動
// forked from _wonder's 等速運動
// forked from _wonder's base
package {
    import flash.display.Sprite;
    import flash.events.Event;
    
    public class FlashTest extends Sprite {
        private var ball:Ball;
        private var vx:Number = 5;//速度
        private var ax:Number = 0.5;//加速度
        
        public function FlashTest() {
            ball = new Ball(20);
            ball.x = 20;
            ball.y = stage.stageHeight / 2;
            addChild( ball );
            
            addEventListener(Event.ENTER_FRAME, onEnterFrame);
        }
        
        private function onEnterFrame(e:Event):void {
            if( ball.x < stage.stageWidth - 80 ){
                //vx += ax;
                ball.x += vx;
                trace(ball.x);
                
            }
        }
    }
}

import flash.display.Sprite;

class Ball extends Sprite {
    public var radius:Number;
    public var color:uint;
    
    public function Ball(radius:Number=40, color:uint=0Xff0000){
        this.radius = radius;
        this.color = color;
        init();
    }
    
    public function init():void {
        graphics.beginFill(color);
        graphics.drawCircle(0, 0, radius);
        graphics.endFill();
    }
}

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