Forked from:: szktkhr's 初めてのFrocessing-3:合体 forked from: 初めてのFrocessing-2:..

forked from: 初めてのFrocessing-3:合体 forked from: 初めてのFrocessing-2:curveVertex

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license : All rights reserved
modified : 2010-03-07 22:33:47

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// forked from szktkhr's 初めてのFrocessing-3:合体 forked from: 初めてのFrocessing-2:curveVertex
// forked from szktkhr's 初めてのFrocessing-2:curveVertex
package {
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.geom.Point;
	[SWF(width="800", height="800", frameRate="60", backgroundColor="#000000")]
	public class Sketch extends Sprite {
		
		private var movement1:Movement;
		private var movement2:Movement;
		private var movement3:Movement;
		private var movement4:Movement;
		private var movement5:Movement;
		private var lines:Array;
		private var brown:Point;
		
		private var c:uint = 0;
		
		public function Sketch() {
			addEventListener(Event.ADDED_TO_STAGE, initialize);
		}
		
		private function initialize(e:Event):void {
			// movement
			brown = new Point(stage.stageWidth / 2, stage.stageHeight / 2);
			movement1 = new Movement(brown);
			addChild(movement1);
			movement2 = new Movement(brown);
			addChild(movement2);
			movement3 = new Movement(brown);
			addChild(movement3);
			movement4 = new Movement(brown);
			addChild(movement4);
			movement5 = new Movement(brown);
			addChild(movement5);
			
			// lines
			lines = [];
			addEventListener(Event.ENTER_FRAME, draw);
			var l:Line = new Line(stage.stageWidth, movement1, movement2, movement3, movement4, movement5);
			lines.push(l);
			addChild(l);
		}
		
		public function draw(e:Event):void {
			if (++c % 1 !== 0) return;
			gogoBrown();
			var prevLine:Line = lines[lines.length - 1];
			var l:Line = new Line(stage.stageWidth, movement1, movement2, movement3, movement4, movement5);
			lines.push(l);
			addChild(l);
			l.start();
		}
		
		public function remove(l:Line):void {
			removeChild(l);
		}
		
		public function gogoBrown():void {
			brown.x += Math.random() * 2 > 1? (Math.random() * 10): -(Math.random() * 10);  
			brown.y += Math.random() * 2 > 1? (Math.random() * 10): -(Math.random() * 10);  
			if (brown.x < 0 || brown.x > stage.stageWidth) brown.x = Math.random() * stage.stageWidth;  
			if (brown.y < 0 || brown.y > stage.stageHeight) brown.y = Math.random() * stage.stageHeight; 
		}
		
	}
}
import flash.geom.Point;
import caurina.transitions.Tweener;
import frocessing.display.F5MovieClip2D;
class Movement extends F5MovieClip2D {
	private var vx:Number = 0;
	private var vy:Number = 0;
	private var brown:Point;
	private var vs:Number;
	public function Movement(b:Point) {
		brown = b;
		x = Math.random() * 450;
		y = Math.random() * 450;
		vs = Math.random() * 500 + 200;
	}
	public function draw():void {
		// noStroke();
		// fill(255);
		// circle(0, 0, 10);
		
		vx += (brown.x - x) / vs;
		vy += (brown.y - y) / vs;
		vx /= 1.005;
		vy /= 1.005;
		x += vx / 1;
		y += vy / 1;
	}
}
class Line extends F5MovieClip2D {
	private var movement1:Movement;
	private var movement2:Movement;
	private var movement3:Movement;
	private var movementStart:Movement;
	private var movementEnd:Movement;
	public function Line(w:Number, m1:Movement, m2:Movement, m3:Movement, ms:Movement, me:Movement) {
		movement1 = m1;
		movement2 = m2;
		movement3 = m3;
		movementStart = ms;
		movementEnd = me;
	}
	public function start():void {
		noFill();
		stroke(255);
		beginShape();
		curveVertex(0, stage.stageHeight / 2);
		curveVertex(0, stage.stageHeight / 2);
		// curveVertex(movementStart.x, movementStart.y);
		// curveVertex(movement1.x, movement1.y);
		// curveVertex(movement2.x, movement2.y);
		// curveVertex(movement3.x, movement3.y);
		curveVertex(movementEnd.x, movementEnd.y);
		curveVertex(stage.stageWidth, stage.stageHeight / 2);
		curveVertex(stage.stageWidth, stage.stageHeight / 2);
		endShape();
		
		Tweener.addTween(this, {y: stage.stageHeight * 1.5, alpha: 0, time: 3.5, transition: 'easeInBack', onComplete: function():void {
			var p:Sketch = parent as Sketch;
			p.remove(this);
		}});
	}
}

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