ShaderでParticlex90000(非同期版)
同期版とほとんど変わらない・・
zahirの二番煎じな気がしないでもない
/**
* Copyright uwi ( http://wonderfl.net/user/uwi )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/gSyv
*/
// forked from uwi's ShaderでParticlex90000(同期版)
package {
import flash.display.*;
import flash.events.*;
import flash.geom.*;
import net.hires.debug.Stats;
// 同期版とほとんど変わらない・・
// zahirの二番煎じな気がしないでもない
[SWF(frameRate=60)]
public class ShaderParticle extends Sprite {
private const PW : int = 300;
private const PH : int = 300;
private const PWH : int = PW * PH;
private var _xv : Vector.<Number>;
private var _a : Vector.<Number>;
private var _c : Vector.<uint>;
private var _s : Shader;
private var _nxv : Vector.<Number>;
private var _ct : ColorTransform;
private var _space : BitmapData;
public function ShaderParticle() {
_xv = new Vector.<Number>();
_a = new Vector.<Number>();
_c = new Vector.<uint>();
for(var i : int = 0;i < PWH;i++){
_xv.push(465 / 2);
_xv.push(100);
_xv.push(Math.random() * 10 - 5);
_xv.push(-Math.random() * 10);
_a.push(0);
_a.push(0.2);
_c.push(Math.random() * 0xffffff);
}
_s = new VMoveShader();
_ct = new ColorTransform(0.9, 0.9, 0.9);
_nxv = new Vector.<Number>();
_space = new BitmapData(465, 465, false, 0x000000);
addChild(new Bitmap(_space));
addChild(new Stats());
addEventListener(Event.ENTER_FRAME, onEnterFrame);
onShaderJobComplete(null);
}
private function onEnterFrame(e : Event) : void
{
_space.lock();
_space.colorTransform(_space.rect, _ct);
for(var i : int = 0;i < PWH;i++){
_space.setPixel(_xv[i * 4], _xv[i * 4 + 1], _c[i]);
}
_space.unlock();
}
private var _sj : ShaderJob = null;
private function onShaderJobComplete(e : ShaderEvent = null) : void
{
if(_sj != null){
_sj.removeEventListener(ShaderEvent.COMPLETE, onShaderJobComplete);
_xv = _nxv;
for(var i : int = 0;i < PWH;i++){
// いっそここの処理もShaderにいれちゃえばいいのか？
if(_xv[i * 4 + 1] > 465){
_xv[i * 4] = 465 / 2;
_xv[i * 4 + 1] = 100;
_xv[i * 4 + 2] = Math.random() * 10 - 5;
_xv[i * 4 + 3] = -Math.random() * 10;
_a[i * 2] = 0;
_a[i * 2 + 1] = 0.2;
}
}
}
_s.data.xv.input = _xv;
_s.data.a.input = _a;
_s.data.xv.width = PW;
_s.data.xv.height = PH;
_s.data.a.width = PW;
_s.data.a.height = PH;
_sj = new ShaderJob(_s, _nxv, PW, PH);
_sj.start(false);
_sj.addEventListener(ShaderEvent.COMPLETE, onShaderJobComplete);
}
}
}
import flash.display.Shader;
import flash.utils.ByteArray;
class VMoveShader extends Shader
{
private var vec:Vector.<int> = Vector.<int>( [ 53,143,193,9,194,64,16,69,223,174,35,40,4,204,93,2,182,96,7,1,193,163,150,32,193,236,33,160,137,108,98,244,104,41,138,122,183,4,83,146,216,128,179,162,167,247,255,159,207,12,115,55,192,109,200,194,29,230,197,166,113,254,28,149,217,214,213,187,108,237,224,28,181,174,204,43,175,106,208,58,95,23,85,137,209,52,119,245,218,23,187,38,120,46,198,66,180,90,238,155,89,85,249,156,43,114,108,185,26,155,113,177,98,24,229,117,67,2,83,136,153,90,94,240,32,233,241,182,140,131,239,212,155,196,6,25,163,236,122,58,215,157,157,13,61,9,252,231,241,55,151,224,229,215,239,115,18,78,129,169,240,12,156,136,190,164,140,133,148,196,240,238,235,157,15 ] );
private var byteArr:ByteArray;
public function VMoveShader():void
{
var len:int = vec.length;
if(!byteArr)
{
byteArr = new ByteArray();
for(var i:int=0; i<len; i++)
{
byteArr.writeByte( vec[i] );
}
byteArr.inflate();
this.byteCode = byteArr;
}
}
/*
<languageVersion : 1.0;>
kernel NewFilter
< namespace : "";
vendor : "";
version : 1;
description : "";
>
{
input image4 xv;
input image2 a;
output pixel4 dst;
void
evaluatePixel()
{
float2 oc = outCoord();
pixel4 sxv = sample(xv, oc);
pixel2 sa = sample(a, oc);
pixel2 fv = sxv.ba + sa;
pixel2 fx = sxv.rg + fv;
dst = pixel4(fx.x, fx.y, fv.x, fv.y);
}
}
*/
}