「あの楽器」のAS版。途中まで作って飽きた。

Circle.as

package Innocencer.DisplayEffect
{
    public class Circle extends EffectBase
	{
		public function Circle(x:Number, y:Number)
		{
			super(x, y);
		}

		public override function display():void
		{
			this.graphics.drawCircle(this.pointX, this.pointY, this.r);
		}
	}
}

EffectBase.as

package Innocencer.DisplayEffect
{
    import flash.display.CapsStyle;
	import flash.display.JointStyle;
	import flash.display.LineScaleMode;
	import flash.display.Shape;
	
	public class EffectBase extends Shape implements IDisplay
	{
		protected var lineWidth:Number = 4.0;
		protected var pointX:Number;
		protected var pointY:Number;
		protected var r:Number = 100;
		protected var lineAlpha:Number = 1;
		private const COLOR:Number = 0x00FFCC;
		
		public function EffectBase(x:Number, y:Number)
		{
			super();
			this.graphics.lineStyle(this.lineWidth, this.COLOR, this.lineAlpha, false, LineScaleMode.NORMAL, CapsStyle.NONE, JointStyle.MITER);
			this.pointX = x;
			this.pointY = y;
			this.display();
		}
		
		public function display():void
		{
			
		}
		
		public function enlarge():void
		{
			this.lineWidth += 1.0;
			this.r += 5.0;
			this.lineAlpha -= 0.03;
			this.graphics.clear();
			this.graphics.lineStyle(this.lineWidth, this.COLOR, this.lineAlpha, false, LineScaleMode.NORMAL, CapsStyle.NONE, JointStyle.MITER);
			this.display();
		}
		
		public function isFinished():Boolean
		{
			if(this.lineAlpha < 0){
				return true;
			}
			return false;
		}
	}
}

IDisplay.as

package Innocencer.DisplayEffect
{
    internal interface IDisplay
	{
		function display():void;
	}
}

Main.as

package
{
    import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	
	import Innocencer.DisplayEffect.*;
	
	[SWF(frameRate = "30")]
	public class Main extends Sprite
	{
		private var effects:Array = new Array();
		
		public function Main()
		{
			stage.color = 0x0;
			stage.addEventListener(MouseEvent.CLICK, addEffect);
			stage.addEventListener(Event.ENTER_FRAME, makeEffectLarger);
		}
		
		private function addEffect(event:MouseEvent): void
		{
			var effect:EffectBase;
			switch(Math.round(Math.random() * 2 + 0.5)){
				case 1:
					effect = new Circle(mouseX, mouseY);
					break;
				case 2:
					effect = new Rect(mouseX, mouseY);
					break;
				default:
			}
			
			effects.push(effect);
			this.addChild(effect);
		}
		
		private function makeEffectLarger(event:Event): void
		{
			this.effects.forEach(
				function(effect:EffectBase, index:Number, effects:Array): void
				{
					effect.enlarge();
				}
			);
			this.effects = this.effects.filter(
				function(effect:EffectBase, index:Number, effects:Array): Boolean
				{
					return !effect.isFinished();
				}
			);
			trace(this.effects);
		}
	}
}

Rect.as

package Innocencer.DisplayEffect
{
    public class Rect extends EffectBase
	{
		public function Rect(x:Number, y:Number)
		{
			super(x, y);
		}
		
		public override function display():void
		{
			this.graphics.drawRect(this.pointX - this.r/2, this.pointY - this.r/2, this.r, this.r);
		}
	}
}