// 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="465", height="465", 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); }}); } }