読もう！コミックビーム

by hacker_3szp8277 17 Jan 2009

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// write as3 code here..
package {
	import flash.display.Sprite;
	import flash.events.Event;

	public class Beam03 extends Sprite
	{
		private var beam:BeamBody;
		public function Beam03()
		{
			addEventListener(Event.ENTER_FRAME,update);
			beam = new BeamBody;
			addChild(beam);
			beam.x = 250;
			beam.y = 250;
		}
		
		private function update(e:Event):void{
			var distX:Number = 250-mouseX;
			var distY:Number = 250-mouseY;
			var rad:Number = Math.atan2(distY,distX)+Math.PI/2;
			beam.rotation = rad/Math.PI*180;
			
			var dist:Number = Math.sqrt(distX*distX+distY*distY);
			beam.length = dist;
			
		}
	}
}
import flash.display.Sprite;

import flash.display.Sprite;
import flash.events.Event;
import flash.geom.Point;
import flash.display.Graphics;
import flash.filters.BlurFilter;
import flash.filters.GlowFilter;
class BeamHead extends Sprite{
	private var pts1:Array = new Array;
	private var pts2:Array = new Array;
	public function BeamHead(){
		addEventListener(Event.ENTER_FRAME,update);
		var i:int ;
		var len:Number;
		var r:Number;
		for(i=0;i<30;i++){
			len = Math.random()*10+5;
			r = Math.PI*2/30;
			pts1.push(new Point(Math.cos(r*i)*len,Math.sin(r*i)*len));
		}
		for(i=0;i<30;i++){
			len = Math.random()*20+10;
			r = Math.PI*2/30;
			pts2.push(new Point(Math.cos(r*i)*len,Math.sin(r*i)*len));
		}
		filters = [new GlowFilter()];
	}

	public function update(e:Event):void{
		graphics.clear();
		var r:Number = Math.PI*2/30;
		var i:int;
		var len:Number;
		graphics.lineStyle(1,0xff0000);
		graphics.moveTo(pts1[0].x,pts1[0].y);
		for(i=1;i<30;i++){
			graphics.lineTo(pts1[i].x,pts1[i].y);
			len = Math.random()*10+5;
			pts1[i].x = Math.cos(r*i)*len;
			pts1[i].y =Math.sin(r*i)*len;
		}
		graphics.lineTo(pts1[0].x,pts1[0].y);
		pts1[0].x = Math.cos(r*i)*len;
		pts1[0].y =Math.sin(r*i)*len;

		graphics.lineStyle(1,0xffff00);
		graphics.moveTo(pts2[0].x,pts2[0].y);
		for(i=1;i<30;i++){
			graphics.lineTo(pts2[i].x,pts2[i].y);
			len = Math.random()*20+10;
			pts2[i].x = Math.cos(r*i)*len;
			pts2[i].y =Math.sin(r*i)*len;
		}
		graphics.lineTo(pts2[0].x,pts2[0].y);
		pts2[0].x = Math.cos(r*i)*len;
		pts2[0].y =Math.sin(r*i)*len;

	}
}
	
class BeamBody extends Sprite{
	private var beams:Array = new Array;
	public var length:Number = 100;
	private var head:BeamHead;
	public function BeamBody(){
		addEventListener(Event.ENTER_FRAME,update);
		beams.push(new Beam(0xff,20));
		beams.push(new Beam(0xffff00,5));
		head= new BeamHead();
		addChild(head);
		head.x = 0;
		head.y = length;
		filters = [new GlowFilter()];
	}
	
	public function update(e:Event):void{
		graphics.clear();
		for(var i:int = 0;i<beams.length;i++){
			beams[i].Draw(graphics,length);
		}
		head.y = length;
	}
	
}
class Beam {

	private var length:Number = 100;
	private var unit:Number = 5;
	private var col:uint;
	private var thick:Number;

	public function Beam(col:uint,thick:Number){
		this.col = col;
		this.thick = thick;

	}

	public function Draw(g:Graphics,length:int):void{
		g.lineStyle(1,col);
		g.moveTo(Math.random()*thick-thick/2,0);
		for(var i:int = 0;i<length/unit;i++){
			g.lineTo(Math.random()*thick-thick/2,i*unit);
		}
	}
	

}