forked from: forked from: flash on 2013-1-23
forked from forked from: flash on 2013-1-23 (diff: 57)
ActionScript3 source code
/**
* Copyright mutantleg ( http://wonderfl.net/user/mutantleg )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/3RQL
*/
// forked from mutantleg's forked from: flash on 2013-1-23
// forked from mutantleg's flash on 2013-1-23
package {
import flash.geom.Vector3D;
import flash.geom.Matrix3D;
import flash.text.TextField;
import flash.events.Event;
import flash.display.Sprite;
public class FlashTest extends Sprite {
public var psys:wPartSys;
public static var deb:TextField;
public function FlashTest() {
deb = new TextField();
addChild(deb);
//deb.text = " debug ";
psys = new wPartSys();
// deb.text =" reach2";
psys.initPart(64);
// deb.text = " reach1 ";
stage.addEventListener(Event.ENTER_FRAME, onEnter);
}//ctor
public var delw:int = 0;
public var mat:Matrix3D = new Matrix3D();
public var vecProj:Vector.<Number> = new Vector.<Number>((1024*3),false);
public var ang:Number = 0;
public var ang2:Number = 0;
public function onEnter(e:Event):void
{
//deb.text = " reach";
delw += 1;
if (delw >= 3)
{
psys.addPart(Math.random()*200-100, Math.random()*200-100, Math.random()*200-100 );
delw = 0;
}//endif
psys.setTestPart();
// psys.update();
// psys.render();
graphics.clear();
graphics.lineStyle(1,0);
var vf:Vector.<uint>;
var vv:Vector.<Number>;
var vec:Vector.<wPart>;
var i:int;
var num:int;
var a:wPart;
vf = psys.vecFace;
vv = psys.vecVert;
vec = psys.vecPart;
num = vec.length;
ang = mouseX;
ang2 = mouseY;
mat.identity();
mat.appendRotation(ang2, Vector3D.X_AXIS);
mat.appendRotation(ang, Vector3D.Y_AXIS);
var raw:Vector.<Number>;
raw = mat.rawData;
psys.update();
psys.render(raw);
num = psys.numAlive * (9+9);
if (num > vecProj.length) { num + vecProj.length;}
var vx:Number;
var vy:Number;
var vz:Number;
var rx:Number;
var ry:Number;
var rz:Number;
for (i =0; i < num; i+=3)
{
vx = vv[i];
vy = vv[i+1];
vz = vv[i+2];
/*
vx = rx * raw[0] + ry * raw[1] + rz * raw[2];
vy = rx * raw[4] + ry * raw[5] + rz * raw[6];
vz = rx * raw[8] + ry * raw[9] + rz * raw[10];
*/
vecProj[i] = vx*raw[0]+vy*raw[4]+vz*raw[8] + raw[12] +200;
vecProj[i+1] = vx*raw[1]+vy*raw[5]+vz*raw[9] + raw[13] + 200;
vecProj[i+2] = vx*raw[2]+vy*raw[6]+vz*raw[10] + raw[14] + 200;
}//nexti
var f:int;
var f2:int;
var f3:int;
num = psys.numAlive * (3+3); //vf.length;
vv = vecProj;
for (i = 0; i < num; i+=3)
{
f = vf[i] * 3;
f2 = vf[i+1] * 3;
f3 = vf[i+2] * 3;
graphics.moveTo(vv[f],vv[f+1]);
graphics.lineTo(vv[f2],vv[f2+1]);
graphics.lineTo(vv[f3],vv[f3+1]);
graphics.lineTo(vv[f], vv[f+1]);
}//nexti
//deb.text = " " + num;
}//onenter
}//flashtest
}
internal class wPartSys
{
public var vecPart:Vector.<wPart>;
public var vecVert:Vector.<Number>;
public var vecFace:Vector.<uint>;
public var it:int = 0;
public var numPart:int = 0;
public var numAlive:int = 0;
public function wPartSys()
{
}//ctor
public function setTestPart():void
{
var w:wPart;
w = vecPart[0];
w.hp = 100;
w.cx = 0;
w.cy = 0;
w.cz = 0;
w.vx = 0;
w.vy = 0;
w.vz = 0;
}//testpart
public function initPart(num:int):void
{
var k:int;
var i:int;
var numFace:int;
if (num < 16) { num = 16;}
if (num > 256) { num=256; }
numPart = num;
// FlashTest.deb.text = " reach2b";
vecPart = new Vector.<wPart>(num,false);
vecVert = new Vector.<Number>(num*3*4,false);
vecFace = new Vector.<uint>(num*3*2,false);
for (i = 0; i < num; i++)
{
vecPart[i] = new wPart();
}//nexti
// FlashTest.deb.text = " reach3";
numFace = num*3*2;
k = 0;
for (i = 0; i < numFace; i +=6 )
{
vecFace[i] = 0+k;
vecFace[i+1] = 1+k;
vecFace[i+2] = 2+k;
vecFace[i+3] = 1+k;
vecFace[i+4] = 3+k;
vecFace[i+5] = 2+k;
k += 4;
}//nexti
}//initpart
public function addPart(x:Number, y:Number, z:Number):void
{
var a:wPart;
a = vecPart[it];
a.hp = 90;
a.cx = x;
a.cy = y;
a.cz = z;
a.vx = Math.random() - Math.random();
a.vy = Math.random() - Math.random();
a.vz = Math.random() - Math.random();
it += 1;
if (it >= numPart) { it = 0; }
}//addpart
public function update():void
{
var a:wPart;
var i:int;
var num:int;
num = vecPart.length;
for (i =0; i < num; i+=1)
{
a = vecPart[i];
if (a.hp <= 0) { continue; }
a.hp -= 1;
a.vy += 0.05;
a.cx += a.vx;
a.cy += a.vy;
a.cz += a.vz;
}//nexti
}//update
public function render(raw:Vector.<Number>):void
{
var a:wPart;
var i:int;
var num:int;
var k:int;
var n:int;
var ux:Number;
var uy:Number;
var uz:Number;
var sx:Number;
var sy:Number;
var sz:Number;
//sx = raw[0]; sy = raw[1]; sz = raw[2];
//ux = raw[4]; uy = raw[5]; uz = raw[6];
sx = raw[0]; sy = raw[4]; sz = raw[8];
ux = raw[1]; uy = raw[5]; uz = raw[9];
// FlashTest.deb.text = " " +ux + " "+uy+ " " +uz;
// FlashTest.deb.text = " " +sx + " "+sy+ " " +sz;
numAlive = 0;
k = 0;
num = vecPart.length;
for (i = 0; i < num; i++)
{
a = vecPart[i];
if (a.hp <= 0) { continue;}
numAlive += 1;
n = k * 12;
vecVert[n] = a.cx - (sx+ux)* a.size;
vecVert[n+1] = a.cy - (sy+uy)* a.size;
vecVert[n+2] = a.cz - (sz+uz) * a.size;
vecVert[n+3] = a.cx - (sx-ux)* a.size;
vecVert[n+4] = a.cy - (sy-uy)*a.size;
vecVert[n+5] = a.cz - (sz-uz)*a.size;
vecVert[n+6] = a.cx + (sx-ux)* a.size;
vecVert[n+7] = a.cy + (sy-uy)* a.size;
vecVert[n+8] = a.cz + (sz-uz) * a.size;
vecVert[n+9] = a.cx + (sx+ux)* a.size;
vecVert[n+10] = a.cy + (sy+uy)*a.size;
vecVert[n+11] = a.cz + (sz+uz)*a.size;
/*
vecVert[n] = a.cx - a.size;
vecVert[n+1] = a.cy - a.size;
vecVert[n+2] = a.cz;
vecVert[n+3] = a.cx + a.size;
vecVert[n+4] = a.cy - a.size;
vecVert[n+5] = a.cz;
vecVert[n+6] = a.cx - a.size;
vecVert[n+7] = a.cy + a.size;
vecVert[n+8] = a.cz;
vecVert[n+9] = a.cx + a.size;
vecVert[n+10] = a.cy + a.size;
vecVert[n+11] = a.cz;
*/
k += 1;
}//nexti
}//render
}//wpartsys
internal class wPart
{
public var size:Number = 4;
public var cx:Number = 0;
public var cy:Number = 0;
public var cz:Number = 0;
public var vx:Number = 0;
public var vy:Number = 0;
public var vz:Number = 0;
public var hp:Number = 0;
}//classend
