package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Sprite; import flash.display.StageAlign; import flash.display.StageScaleMode; import flash.events.Event; import flash.events.MouseEvent; /** * Sand Traveler * stage click to reset * * @see http://www.complexification.net/gallery/machines/sandTraveler/index.php * Special commission for Sónar 2004, Barcelona * sand painter implementation of City Traveler + complexification.net * * j.tarbell May, 2004 * Albuquerque, New Mexico * complexification.net * * Processing 0085 Beta syntax update * j.tarbell April, 2005 * * @mxmlc -o bin/SandTraveler.swf -load-config+=obj\Alltest3Config.xml * @author jc at bk-zen.com */ [SWF (backgroundColor = "0xFFFFFF", frameRate = "60", width = "465", height = "465")] public class SandTraveler extends Sprite { private var cities:Vector.<City>; private var bmd: BitmapData; private var w: int; private var h: int; private var size: int; private var bmp:Bitmap; private var cnt:int; public function SandTraveler() { Wonderfl.capture_delay( 30 ); if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } private function init(e: Event = null): void { removeEventListener(Event.ADDED_TO_STAGE, init); // stage.scaleMode = StageScaleMode.NO_SCALE; stage.align = StageAlign.TOP_LEFT; cities = new Vector.<City>(LENGTH, true); addChild(bmp = new Bitmap(null, "auto", true)); resetAll(); addEventListener(Event.ENTER_FRAME, loop); stage.addEventListener(Event.RESIZE, onResize); stage.addEventListener(MouseEvent.CLICK, onClick); } private function onClick(e: MouseEvent): void { resetAll(); } private function onResize(e: Event): void { resetAll(); } private function loop(e: Event): void { var c: City, f: City, i: int, j: int, k: int, t: Number, dx: Number, dy: Number, dst: uint, src: uint, tdx: int, tdy: int; var rd: int, gd: int, bd: int, rs: int, gs: int, bs: int, s: SandPainter, ww: Number, a: Number; bmd.lock(); for (i = 0; i < LENGTH; i++) { c = cities[i], f = c.friend; c.x += (c.vx = (c.vx + (f.x - c.x) / size) * 0.936); c.y += (c.vy = (c.vy + (f.y - c.y) / size) * 0.936); for (j = 0; j < RLENGTH; j++) { t = random(PI2); dx = tdx = (Math.sin(t) * (c.x - f.x) + (c.x + f.x)) * 0.5; dy = tdy = (Math.sin(t) * (c.y - f.y) + (c.y + f.y)) * 0.5; if (random(1000) > 990) dx += random(3) - random(3), dy += random(3) - random(3); dst = bmd.getPixel(dx, dy); src = f.color; rd = (dst >> 16) & 0xFF; gd = (dst >> 8) & 0xFF; bd = dst & 0xFF; rs = (src >> 16) & 0xFF; gs = (src >> 8) & 0xFF; bs = src & 0xFF; bmd.setPixel(dx, dy, ((rd * 0.8125 + rs * 0.1875) << 16) | ((gd * 0.8125 + gs * 0.1875) << 8) | (bd * 0.8125 + bs * 0.1875)); dx = -1 * tdx; dy = -1 * tdy; if (random(1000) > 990) dx += random(3) - random(3), dy += random(3) - random(3); dst = bmd.getPixel(dx, dy); src = f.color; rd = (dst >> 16) & 0xFF; gd = (dst >> 8) & 0xFF; bd = dst & 0xFF; rs = (src >> 16) & 0xFF; gs = (src >> 8) & 0xFF; bs = src & 0xFF; bmd.setPixel(dx, dy, ((rd * 0.8125 + rs * 0.1875) << 16) | ((gd * 0.8125 + gs * 0.1875) << 8) | (bd * 0.8125 + bs * 0.1875)); } for (j = 0; j < SLENGTH; j++) { s = c.sands[j]; dx = f.x + (c.x - f.x) * Math.sin(s.p); dy = f.y + (c.y - f.x) * Math.sin(s.p); dst = bmd.getPixel(dx, dy); src = s.c; rd = (dst >> 16) & 0xFF; gd = (dst >> 8) & 0xFF; bd = dst & 0xFF; rs = (src >> 16) & 0xFF; gs = (src >> 8) & 0xFF; bs = src & 0xFF; bmd.setPixel(dx, dy, ((rd * 0.890625 + rs * 0.109375) << 16) | ((gd * 0.890625 + gs * 0.109375) << 8) | (bd * 0.890625 + bs * 0.109375)); s.g += random( -0.05, 0.05); if (s.g < -0.22) s.g = -0.22; if (s.g > 0.22) s.g = 0.22; s.p += random( -0.05, 0.05); if (s.p < 0) s.p = 0; if (s.p > 1) s.p = 1; ww = s.g * 0.1; for (k = 0; k < RLENGTH; k++) { a = (0.1 - k * 0.009) * 0.00390625; dx = f.x + (c.x - f.x) * Math.sin(s.p + Math.sin(k * ww)); dy = f.y + (c.y - f.y) * Math.sin(s.p + Math.sin(k * ww)); dst = bmd.getPixel(dx, dy); rd = (dst >> 16) & 0xFF; gd = (dst >> 8) & 0xFF; bd = dst & 0xFF; bmd.setPixel(dx, dy, ((rd * (1 - a) + rs * a) << 16) | ((gd * (1-a) + gs * a) << 8) | (bd * (1 - a) + bs * a)); dx = f.x + (c.x - f.x) * Math.sin(s.p - Math.sin(k * ww)); dy = f.y + (c.y - f.y) * Math.sin(s.p - Math.sin(k * ww)); dst = bmd.getPixel(dx, dy); rd = (dst >> 16) & 0xFF; gd = (dst >> 8) & 0xFF; bd = dst & 0xFF; bmd.setPixel(dx, dy, ((rd * (1 - a) + rs * a) << 16) | ((gd * (1-a) + gs * a) << 8) | (bd * (1 - a) + bs * a)); } } } bmd.unlock(); if (cnt++ > 5000) resetAll(); } private function resetAll():void { var vt: Number, vvt: Number = 0.2, ot: Number = random(PI2); var t: int, tinc: Number, vx: Number, vy: Number, c: City; cnt = 0; if (w != stage.stageWidth || h != stage.stageHeight) { if (bmd) bmd.dispose(); bmd = new BitmapData(w = stage.stageWidth, h = stage.stageHeight, false); bmp.bitmapData = bmd; bmp.smoothing = true; size = (w + h) / 2; } vt = size / 40; bmd.lock(); bmd.fillRect(bmd.rect, 0xFFFFFF); bmd.unlock(); for (t = 0; t < LENGTH; t++) { tinc = ot + (3.1 - t / LENGTH) * 2 * t * PI2 / LENGTH; vx = vt * Math.sin(tinc), vy = vt * Math.cos(tinc); cities[t] = new City(w / 2 + vx * 2, h / 2 + vy * 2, vx, vy, t); vvt -= 0.00033; vt += vvt; } for (t = 0; t < LENGTH; t++) { c = cities[t]; c.friend = cities[(c.idx + int(random(LENGTH / 5))) % LENGTH]; } } } } class City { public var x: Number, y: Number, vx: Number, vy: Number, idx: int, color: uint; public var friend: City; public var sands: Vector.<SandPainter>; function City(x: Number, y: Number, vx: Number, vy: Number, idx: int) { this.x = x, this.y = y, this.vx = vx, this.vy = vy, this.idx = idx; color = goodcolor[int(random(goodcolor.length))]; sands = new Vector.<SandPainter>(SLENGTH, true); for (var i:int = 0; i < SLENGTH; i++) sands[i] = new SandPainter(); } } class SandPainter { public var p: Number, c: uint, g: Number; function SandPainter() { p = random(1), c = goodcolor[int(random(goodcolor.length))], g = random(0.01, 0.1); } } const PI2: Number = 6.28318530717958647693; const LENGTH: int = 100; const SLENGTH: int = 3; const RLENGTH: int = 11; const goodcolor: Array = [ 0x3a242b, 0x3b2426, 0x352325, 0x836454, 0x7d5533, 0x8b7352, 0xb1a181, 0xa4632e, 0xbb6b33, 0xb47249, 0xca7239, 0xd29057, 0xe0b87e, 0xd9b166, 0xf5eabe, 0xfcfadf, 0xd9d1b0, 0xfcfadf, 0xd1d1ca, 0xa7b1ac, 0x879a8c, 0x9186ad, 0x776a8e, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0xFFFFFF, 0xFFFFFF, 0xFFFFFF, 0xFFFFFF, 0xFFFFFF, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0xFFFFFF, 0xFFFFFF, 0xFFFFFF, 0xFFFFFF, 0xFFFFFF ]; function random(...args: Array): Number { switch (args.length) { case 1: return Math.random() * args[0]; break; case 2: default: var min: Number = args[0]; return Math.random() * (args[1] - min) - min; break; } return Math.random(); }