BRE ver0.1
@author k3lab
/**
* Copyright k3lab ( http://wonderfl.net/user/k3lab )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/xDfu
*/
// forked from checkmate's Saqoosha challenge for amateurs
package {
import flash.display.*;
import flash.events.*;
import flash.filters.*;
import flash.geom.*;
import flash.media.Sound;
import flash.net.URLRequest;
import flash.utils.getTimer;
import com.bit101.components.Label;
/**
*
* @author k3lab
*/
[SWF(width="465", height="465", frameRate="60")]
public class Main extends Sprite {
private static const PARTICLE_NUM:int = 500;
private static const SPRING:Number = 0.18;
private static const FRICTION:Number = 0.75;
private var canvas:BitmapData;
private var clones:BitmapData;
private var pArr:Array = [];
private var volArr:Array = []
private var colorArr:Array = []
private var clt:ColorTransform = new ColorTransform(1, 1, 1, 1, 0, -10, -10, -10);
private var sp:Sprite;
private var trail:Sprite;
private var vx:Number = 0;
private var vy:Number = 0;
private var ratio:Number = 0;
private var grad:Gradation;
public function Main():void {
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void {
removeEventListener(Event.ADDED_TO_STAGE, init);
//BGM
var sound:Sound = new Sound (new URLRequest ("http://www.k3lab.com/wonderfl/Euphoria/bgm.mp3"));
sound.play (0, int.MAX_VALUE);
canvas = new BitmapData(465, 465, false, 0x00000000);
clones = canvas.clone();
addChild(new Bitmap(clones)) as Bitmap;
grad = new Gradation(0xff0000, 0x00ff00, 0x0000ff);
var a:Number = 0;
sp = addChild(new Sprite()) as Sprite;
sp.blendMode = "screen";
for (var i:int = 0; i < PARTICLE_NUM; i++) {
a += 0.2
var p:Particle =sp.addChild(new Particle()) as Particle;
p._x = 240 * Math.sin(a);
p._y = 240 * Math.cos(a);
p._z = 0;
pArr[i] = p
p.draw(grad.getColor(i / PARTICLE_NUM), 0.6, Math.random() * 0.6);
}
//******************************************
//付属品
mouseTrail();
createBg();
createHeader();
createBar();
createVolume();
//******************************************
addEventListener(Event.ENTER_FRAME, loop);
}
//************************************************************
//マウストレイル
private function mouseTrail():void {
trail = addChild(new Sprite()) as Sprite;
trail.graphics.beginFill(0xFFFFFF);
trail.graphics.drawRect( -10, 0, 20, 1);
trail.graphics.drawRect(0 , -10, 1, 20);
trail.graphics.endFill();
var circles:Sprite=trail.addChild(new Sprite()) as Sprite;
circles.graphics.beginFill(0xFFFFFF);
circles.graphics.drawRect( -465, 0, 1030, 1);
circles.graphics.drawRect( 0, -465, 1, 1030);
circles.graphics.endFill();
circles.alpha = 0.2;
}
//全体のBG
private function createBg():void {
var pattern:BitmapData = background()
var bg:Sprite = addChild(new Sprite()) as Sprite;
bg.graphics.beginBitmapFill(pattern);
bg.graphics.drawRect(0, 0, 465, 465)
bg.graphics.endFill();
bg.alpha = 0.3;
}
//上のTitle&BG
private function createHeader():void {
var tbg:Sprite = addChild(new Sprite()) as Sprite;
tbg.graphics.beginFill(0);
tbg.graphics.drawRect( 0, 0, 465, 18);
tbg.graphics.endFill();
var title:Label = new Label(this, 147, 0, "Barrage of Rainbow Exploration ver.0.1");
title.blendMode = "invert"
}
//左上のColor Bar
private function createBar():void {
var cl:Array = [0xff0000, 0x00ff00, 0x0000ff]
var clsp:Sprite = addChild(new Sprite()) as Sprite;
for (var i:int = 0; i < 3; i++) {
var colors:Sprite = clsp.addChild(new Sprite()) as Sprite;
colors.graphics.beginFill(cl[i]);
colors.graphics.drawRect( 0, 0, 10,10);
colors.graphics.endFill();
colors.x = 11 * i;
}
clsp.x = 4;
clsp.y = 4;
}
//右上のvoloume
private function createVolume():void {
var volsp:Sprite = addChild(new Sprite()) as Sprite;
for (var i:int = 0; i < 7; i++) {
var vol:Sprite = volsp.addChild(new Sprite()) as Sprite;
vol.graphics.beginFill(0xFFFFFF);
vol.graphics.drawRect( 0, 0, 1, -10);
vol.graphics.endFill();
vol.x=2*i
volArr[i] = vol;
}
volsp.x = stage.stageWidth - volsp.width - 5;
volsp.y = 15;
}
private function voloop():void {
for each(var v:Sprite in volArr) {
v.height = Math.sin(getTimer() / 500 * Math.random() * 5) * 10;
}
}
private function trailoop():void {
vx += (mouseX - trail.x) * SPRING;
vy += (mouseY - trail.y) * SPRING;
vx *= FRICTION;
vy *= FRICTION;
trail.x += int(vx);
trail.y += int(vy);
}
//************************************************************
private function loop(e:Event):void {
voloop();
trailoop();
var zp:Number = 0;
var i:int;
for each(var p:Particle in pArr) {
var xa:Number = Math.sin(Math.PI * (getTimer()+i*100) % 30000 / 30000 * 360 / 180) / 20;
var ya:Number = Math.sin(Math.PI * (getTimer()+i*100) % 1500 / 1500 * 360 / 180) / 20;
var yp:Number = p._y * Math.cos(ya) -p._z * Math.sin(ya);
zp =p._y * Math.sin(ya) + p._z * Math.cos(ya);
var xp:Number = p._x * Math.cos(xa) + zp * Math.sin(xa);
zp = ( -p._x) * Math.sin(xa) + zp * Math.cos(xa);
p._x = xp;
p._y = yp;
p._z = zp;
p.alpha = Math.random() * 1;
(p._z < -95)?p.visible = false:p.visible = true;
ratio = 1 / (p._z /100 + 1)
var num:Number = 0;
p.scaleY = num = ratio * 7;
p.scaleX = num;
p.x += (p._x * ratio + (mouseX) - p.x) / 10;
p.y += (p._y * ratio +( mouseY) - p.y) / 10;
canvas.setPixel(p.x, p.y, grad.getColor(i /PARTICLE_NUM));
i++;
}
clones.lock();
canvas.lock();
canvas.draw(sp)
clones.merge(canvas, canvas.rect, new Point(),zp/10,zp/100, zp*10,0.5);
clones.draw(canvas, null, new ColorTransform(100 * zp, 10, 10), "add");
canvas.applyFilter(canvas, canvas.rect, new Point(0, 0), new BlurFilter(20, 20, 1));
clones.scroll(0, 1);
clones.colorTransform(clones.rect, clt);
canvas.colorTransform(canvas.rect, clt);
clones.unlock();
canvas.unlock();
}
public function background():BitmapData{
return BitmapPatternBuilder.build(
[[1, 0, 0],
[0, 1, 0],
[0, 0, 1]],
[0xFF000000, 0xffffffff]
);
}
}
}
import flash.display.Graphics;
import flash.display.Sprite;
class Particle extends Sprite {
public var _x:Number=0;
public var _y:Number=0;
public var _z:Number=0;
public function draw(color:int, alpha:Number, size:Number):void {
graphics.beginFill(color, alpha);
graphics.drawCircle(0, 0, size);
graphics.endFill();
}
}
import frocessing.color.ColorLerp;
import org.libspark.betweenas3.core.easing.IEasing;
import org.libspark.betweenas3.easing.Linear;
class Gradation {
private var _colors:Array;
private var _easing:IEasing;
public function Gradation(...args) {
_colors = args.concat();
_easing = Linear.linear
}
public function setEasing(easing:IEasing):void {
_easing = easing;
}
public function getColor(position:Number):uint {
position = (position < 0 ? 0 : position > 1 ? 1 : position) * (_colors.length - 1);
var idx:int = position;
var alpha:Number = _easing.calculate(position - idx, 0, 1, 1);
if (alpha == 0) {
return _colors[idx];
} else {
return ColorLerp.lerp(_colors[idx], _colors[idx + 1], alpha);
}
}
}
/**-----------------------------------------------------
* @see http://wonderfl.net/code/5f88476bd21cac4d45ad2086af2333782a5d3cb8
* -----------------------------------------------------
*/
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Graphics;
class BitmapPatternBuilder{
/**
* creates BitmapData filled with dot pattern.
* First parameter is 2d array that contains color index for each pixels;
* Second parameter contains color reference table.
*
* @parameter pattern:Array 2d array that contains color index for each pixel.
* @parameter colors:Array 1d array that contains color table.
* @returns BitmapData
*/
public static function build(pattern:Array, colors:Array):BitmapData{
var bitmapW:int = pattern[0].length;
var bitmapH:int = pattern.length;
var bmd:BitmapData = new BitmapData(bitmapW,bitmapH,true,0x000000);
for(var yy:int=0; yy<bitmapH; yy++){
for(var xx:int=0; xx<bitmapW; xx++){
var color:int = colors[pattern[yy][xx]];
bmd.setPixel32(xx, yy, color);
}
}
return bmd;
}
/**
* short cut function for Graphics.beginBitmapFill with pattern.
*/
public static function beginBitmapFill(pattern:Array, colors:Array, graphics:Graphics):void{
var bmd:BitmapData = build(pattern, colors);
graphics.beginBitmapFill(bmd);
bmd.dispose();
}
}