forked from: Particle Wave in 3D
Created by Dan0
* Credits to:
* fladdict's "FITC Cool Japan side A / Particle simple 40000"
* sake's "3Dでアトラクタっぽいの"
*
/**
* Copyright vasari ( http://wonderfl.net/user/vasari )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/yCMw
*/
// forked from Dan0's Particle Wave in 3D
/**
*
* Created by Dan0
* Credits to:
* fladdict's "FITC Cool Japan side A / Particle simple 40000"
* sake's "3Dでアトラクタっぽいの"
*
*/
package {
import org.papervision3d.view.BasicView;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.utils.ByteArray;
import flash.geom.Point;
import flash.geom.ColorTransform;
import org.papervision3d.core.effects.utils.BitmapClearMode;
import org.papervision3d.core.geom.Pixels;
import org.papervision3d.core.geom.renderables.Pixel3D;
import org.papervision3d.view.BasicView;
import org.papervision3d.view.layer.BitmapEffectLayer;
import org.papervision3d.core.effects.BitmapLayerEffect;
import org.papervision3d.core.effects.BitmapColorEffect;
import org.papervision3d.core.geom.renderables.Vertex3DInstance;
import org.papervision3d.core.geom.renderables.Vertex3D;
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.objects.primitives.Cube;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.materials.WireframeMaterial;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.display.StageDisplayState;
[SWF(width="465", height="465", backgroundColor="0x000000", frameRate="30")]
public class wave_3d extends BasicView {
//
private var layer:BitmapEffectLayer;
private var pixels:Pixels;
private var container:DisplayObject3D;
//
private var particleNum:int = 1000;
private var particles:Vector.<Particle>
private var loopX:Number = 200;
private var loopY:Number = 200;
private var loopZ:Number = 200;
private var stormMap0:BitmapData;
private var stormMap1:BitmapData;
private var forceMap:BitmapData;
private var stormScaleX:Number;
private var stormScaleY:Number;
private var stormScaleZ:Number;
private var tempColt:ColorTransform = new ColorTransform();
private var tempPt:Point = new Point();
private var stormCycle:Number =0;
public function wave_3d() {
//setup stage
super(0, 0, true, true);
camera.focus=50;
camera.zoom=40;
//add rendering layers, pixels create trail by fading out using ColorMatrixFilter
layer = new BitmapEffectLayer(viewport, stage.stageWidth, stage.stageWidth, true, 0, BitmapClearMode.CLEAR_PRE, true, false);
viewport.containerSprite.addLayer(layer);
layer.addEffect(new BitmapColorEffect(1, 1, 1, 0.98));
container= new DisplayObject3D;
scene.addChild(container);
pixels = new Pixels(layer);
container.addChild(pixels);
var cubeMaterial:WireframeMaterial = new WireframeMaterial(0xFFFFFF, 0.2, 1);
cubeMaterial.doubleSided = true;
var cube:Cube = new Cube(new MaterialsList({all:cubeMaterial}), loopX, loopZ, loopY, 1,1,1,0,0);
container.addChild(cube);
//create particles
particles = new Vector.<Particle>(particleNum);
var particle:Particle;
var rr:int;
for(var i:int=0; i<particleNum; i++)
{
particle = new Particle();
// var ang:Number = Math.random() * Math.PI*2;
particle.x = Math.random() *loopX -(loopX/2);
particle.y = Math.random() *loopY -(loopY/2);
particle.z = Math.random() *loopZ -(loopZ/2);
//Customize the range of the particle color according to the amount of the particle and stage size.
particle.r = particle.g = particle.b = 70
//Customize the rage of the scaleFactor according to the amount of the particle and stage size.
particle.scaleFactor = 0.0002;
particles[i] = particle;
particle.vfri = 0.98+Math.random()*0.01;
}
//
forceMap = new BitmapData(256,256,false,0x000000);
stormMap0 = new BitmapData(256,256,false,0x000000);
stormMap0.perlinNoise(128,128,5,Math.random()*100,true,true,1|2|4,false);
stormMap1 = new BitmapData(256,256,false,0x000000);
stormMap1.perlinNoise(128,128,5,Math.random()*100,true,true,1|2|4,false);
stormScaleX = 1 / loopX*255;
stormScaleY = 1 / loopY*255;
stormScaleZ = 1 / loopZ*255;
//
addEventListener(MouseEvent.CLICK ,function(e:Event):void{stage.displayState=StageDisplayState.FULL_SCREEN});
//
addEventListener(Event.ENTER_FRAME, updateParticles);
startRendering();
}
public function updateParticles(e:Event):void{
stormCycle++;
if(stormCycle == 180){
stormMap0.perlinNoise(128,128,5,Math.random()*100,true,true,1|2|4,false);
}else if(stormCycle==360){
stormMap1.perlinNoise(128,128,5,Math.random()*100,true,true,1|2|4,false);
stormCycle = 0;
}
forceMap.copyPixels(stormMap1, stormMap0.rect, tempPt);
tempColt.alphaMultiplier = Math.cos(stormCycle*Math.PI/180)*0.5+0.5;
forceMap.draw(stormMap0, null, tempColt);
///////////////////////////////////////
///////////////////////////////////////
pixels.removeAllpixels();
var byteIndex:int;
var col:uint;
var colZ:uint;
var p:Pixel3D;
var prt:Particle;
for(var i:int=0; i<particleNum; i++){
prt = particles[i];
col = forceMap.getPixel(int((prt.x+loopX/2)*stormScaleX),int((prt.y+loopY/2)*stormScaleY));
colZ = forceMap.getPixel(int((prt.z+loopZ/2)*stormScaleZ),int((prt.y+loopY/2)*stormScaleY));
prt.vx = prt.vx * prt.vfri + ((col>>16&0xff)-128)*prt.scaleFactor;
prt.vy = prt.vy * prt.vfri + ((col>>8&0xff)-128)*prt.scaleFactor;
prt.vz = prt.vz * prt.vfri + ((colZ&0xff)-128)*prt.scaleFactor;
prt.x += prt.vx;
prt.y += prt.vy;
prt.z += prt.vz;
if(prt.x<-loopX/2){
prt.x += loopX;
}else if(prt.x > loopX/2){
prt.x -= loopX;
}
if(prt.y<-loopY/2){
prt.y += loopY;
}else if(prt.y > loopY/2){
prt.y -= loopY;
}
if(prt.z< -loopZ/2){
prt.z += loopZ;
}else if(prt.z > loopZ/2){
prt.z -= loopZ;
}
// var a:Vertex3D = new Vertex3D(prt.x,prt.y,prt.z);
// var v3d:Vertex3DInstance = new Vertex3DInstance(prt.x,prt.y,prt.z);
// layer.canvas.setPixel32(v3d.x*2+stage.stageWidth/2, v3d.y*2+stage.stageHeight/2, 0xFFFF00FF);
p = new Pixel3D(0xFFFF00FF,prt.x,prt.y,prt.z);
pixels.addPixel3D(p);
var v3d:Vertex3DInstance;
for each(p in pixels){
v3d = p.vertex3D.vertex3DInstance;
if(v3d.visible){
layer.canvas.setPixel32(20, 20, p.color);
}
}
}
container.rotationY += mouseY/256;
container.rotationZ += mouseX/256;
//container.rotationX = (stage.stageWidth/2-mouseX)/stage.stageWidth*360;
//container.rotationZ = (stage.stageHeight/2-mouseY)/stage.stageHeight*360;
}
}
}
class Particle
{
//particle position
public var x:Number = 0;
public var y:Number = 0;
public var z:Number = 0;
public var vx:Number = 0;
public var vy:Number = 0;
public var vz:Number = 0;
//friction
public var vfri:Number = 1;
//particle color
public var r:int;
public var g:int;
public var b:int;
//scale factor that affects the force applied to the particle.
public var scaleFactor:Number;
}