Forked from:: dizgid's forked from: forked from: forked from: Arrows Flow..

forked from: forked from: forked from: forked from: Arrows Flow Simulation / pv3d setup...mm

[PV3D] Refrection Cube / clockmaker
http://wonderfl.kayac.com/code/51b80a3181a9a11fc248c7b48bd6ce33eef5aeaa

forked:2
favorite:17
lines:162
license : MIT License
modified : 2010-02-17 13:47:51

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// forked from dizgid's forked from: forked from: forked from: Arrows Flow Simulation / pv3d setup...mm
// forked from dizgid's forked from: forked from: Arrows Flow Simulation / pv3d setup
// forked from dizgid's forked from: Arrows Flow Simulation
// forked from clockmaker's Arrows Flow Simulation
// forked from nemu90kWw's BitmapData直描きにすれば残像付きでも超軽いよ
// forked from nemu90kWw's 画像をトリミングしてみた（中心点未調整）
// forked from keno42's ちょっと変えたけどそんなに速くならなかった
// forked from keno42's forked from: forked from: 速度比較したら一個前の方法が速かったっぽい
// forked from keno42's forked from: 速度比較したら一個前の方法が速かったっぽい
// forked from keno42's 速度比較したら一個前の方法が速かったっぽい
// forked from bkzen's forked from: 色と透明度もいれてみた。こんなのどうだろバージョン
// forked from bkzen's 色と透明度もいれてみた。速度向上したらいいなばーじょん
// forked from keno42's 角度計算修正、色と透明度もいれてみた。重ね順ソートが重い。
// forked from bkzen's forked from: BitmapDataで配列に格納すると高速化するよ(角度修正)
// forked from clockmaker's BitmapDataで配列に格納すると高速化するよ
// forked from clockmaker's 3D Flow Simulation with Field of Blur
// forked from clockmaker's 3D Flow Simulation
// forked from clockmaker's Interactive Liquid 10000
// forked from clockmaker's Liquid110000 By Vector
// forked from munegon's forked from: forked from: forked from: forked from: Liquid10000
// forked from Saqoosha's forked from: forked from: forked from: Liquid10000
// forked from nutsu's forked from: forked from: Liquid10000
// forked from nutsu's forked from: Liquid10000
// forked from zin0086's Liquid10000

/*
[PV3D] Refrection Cube / clockmaker
http://wonderfl.kayac.com/code/51b80a3181a9a11fc248c7b48bd6ce33eef5aeaa
*/
package {
    	//
	import flash.display.*;
	import flash.geom.*;
	import flash.events.*;
	import flash.filters.*;
	import flash.utils.*;
	import flash.geom.*;
	import net.hires.debug.Stats;

import org.papervision3d.materials.BitmapMaterial;
        import org.papervision3d.materials.utils.MaterialsList;
        import org.papervision3d.objects.primitives.*;
        import org.papervision3d.objects.DisplayObject3D;
        import org.papervision3d.view.BasicView;
        import org.papervision3d.core.effects.view.ReflectionView;
        
        import org.papervision3d.materials.special.ParticleMaterial;
	import org.papervision3d.objects.special.ParticleField;
	
	[SWF(width="465", height="465", backgroundColor="0xFFFFFF", frameRate="30")]
        public class Main extends ReflectionView {
	//public class Main extends BasicView {
		
		private var forceMap:BitmapData = new BitmapData( 233, 233, false, 0x000000 );
		private var randomSeed:uint = Math.floor( Math.random() * 0xFFFF );
		private var seed:Number = Math.floor( Math.random() * 0xFFFF );
		private var offset:Array = [new Point(), new Point()];
		private var timer:Timer;
		private var buffer:BitmapData = new BitmapData(465, 465, true, 0);
		private var screen:Bitmap = new Bitmap(buffer);
		private var particleList:Array = [];
		
		function Main()
		{
			// フォースマップの初期化をおこないます
			resetFunc();
			
			// ループ処理
			addEventListener( Event.ENTER_FRAME, loop );
			
			// 時間差でフォースマップと色変化の具合を変更しています
			var timer:Timer = new Timer(1000);
			timer.addEventListener(TimerEvent.TIMER, resetFunc);
			timer.start();
			
			// 矢印をプレレンダリング
			var dummy:Sprite = new Sprite();
			var dummyBg:Sprite = new Sprite();
			var dummyHolder:Sprite = new Sprite();
			dummy.graphics.beginFill(0x003399, 1);
			dummy.graphics.drawPath(Vector.<int>([1,2,2,2,2,2,2,2]), Vector.<Number>([-9,-7,-3,-7,-3,-11,9,-4,-3,3,-3,-1,-9,-1,-9,-7]));
                        /*
			dummyBg.graphics.beginFill(0x0, 1);
			dummyBg.graphics.lineStyle(1, 0x0, 1);
			dummyBg.graphics.drawPath(Vector.<int>([1,2,2,2,2,2,2,2]), Vector.<Number>([-9,-7,-3,-7,-3,-11,9,-4,-3,3,-3,-1,-9,-1,-9,-7]));
			dummyHolder.addChild(dummyBg);
                        */
			dummyHolder.addChild(dummy);
                        //dummy.scaleX = dummy.scaleY = 0.7;
			
			var temp:BitmapData;
			var rect:Rectangle;
			var matrix:Matrix = new Matrix();
			var j:int = ALPHA_STEPS;
			while(j--) {
				var i:int = ROT_STEPS;
				var k:int = j * ROT_STEPS;
				dummy.alpha = j / (ALPHA_STEPS-1);
				dummy.filters = dummyBg.filters = [new BlurFilter(4.0*(1.0 - j / (ALPHA_STEPS-1)),4.0*(1.0 - j / (ALPHA_STEPS-1)),3)];
				while (i--) {
					matrix.identity();
					matrix.rotate( ( 360 / ROT_STEPS * i )* Math.PI / 180);
					matrix.translate(11, 11);
					temp = new BitmapData(22, 22, true, 0x0);
					temp.draw(dummyHolder, matrix);
					rotArr[i+k] = new DisplayImage(temp, 11, 11);
				}
			}
			
			// パーティクルを生成します
			for (i = 0; i < NUM_PARTICLE; i++) {particleList[i] = new Arrow(Math.random() * 465, Math.random() * 465);}
			//addChild(screen);
			
			// デバッグ用のスタッツを表示しています
			//addChild(new Stats);
                        _setupPv3d(buffer);
                        
                        Wonderfl.capture_delay(10);										
		}

private var _clearBmpd:BitmapData = new BitmapData(465,465,true,0x0);
                private var _destPoint:Point = new Point();
                private var _blurFilter:BlurFilter = new BlurFilter(8,8);
                private var _drawBmpd:BitmapData;
                
		private function loop( e:Event ):void {
			var len:int = particleList.length;
			var arrow:Arrow;
			buffer.lock();
			
                        //buffer.fillRect(buffer.rect, 0x0);
                        buffer.copyPixels(_clearBmpd, _clearBmpd.rect, _destPoint);
                        //buffer.applyFilter(buffer, buffer.rect, _destPoint, _blurFilter);
                        //buffer.colorTransform(buffer.rect, new ColorTransform(1, 1, 1, 1, 20, 10, 10, 0));
                        
			particleList.sortOn("speed", Array.NUMERIC);
			for (var i:int = 0; i < len; i++) {
				arrow = particleList[i];
				arrow.step(forceMap.getPixel( arrow.x >> 1, arrow.y >> 1));
				buffer.copyPixels(arrow.img.bmp, arrow.img.bmp.rect, new Point(arrow.x-arrow.img.cx, arrow.y-arrow.img.cy));
			}
			buffer.unlock();
		}
		
		private function resetFunc(e:Event = null):void {
			forceMap.perlinNoise(117, 117, 3, seed, false, true, 6, false, offset);
			
			offset[0].x += 1.5;
			offset[1].y += 1;
			seed = Math.floor( Math.random() * 0xFFFFFF );
		}
                
                //________________________________
                // pv3dSetUp
                private function _setupPv3d(srcBmp:BitmapData):void
                {
                    var field:DisplayObject3D = new DisplayObject3D();
                    var mat:BitmapMaterial= new BitmapMaterial(srcBmp);
                    /*
                    // Plane
                    mat.doubleSided = true;
                    var obj3d:Plane = new Plane( mat , 800, 800, 4,4 );
                    field.addChild(obj3d);
                    
                    var obj3d_v:Plane = new Plane( mat , 800, 800, 4,4 );
                    obj3d_v.rotationY = 90;
                    field.addChild(obj3d_v);
                    */
                    
                    // cube
                    mat.doubleSided = true;
                    var cube:Cube = new Cube(new MaterialsList({all : mat}), 800, 800, 800);
                    field.addChild(cube);
                    
                    /*
                    // sphere
                    var sphere:Sphere= new Sphere(mat, 600, 16,12);
                    field.addChild(sphere);
                    */
                    
                    // Particle
                    var pMat:ParticleMaterial = new ParticleMaterial(0x003399, 0.5);
		    var particles:ParticleField = new ParticleField(pMat, 400, 8, 800, 800, 800);
                    field.addChild(particles);
                    
                    //field.container = field.createViewportLayer(viewport);
                    //field.container.filters = [new GlowFilter(0x003399, 0.8, 16, 16)];
                    this.filters = [new GlowFilter(0x003399, 0.9, 16, 16)];
                    
                    scene.addChild(field);
                    
                    surfaceHeight = -900;
                    viewportReflection.filters = [new BlurFilter(8, 8, 1)];
                    viewportReflection.alpha = 1.0;
                    
                    addEventListener(Event.ENTER_FRAME,function():void {
                        field.yaw(0.5);
                        //particles.roll(1.5);
                        //particles.yaw(1.0);
                        
                        camera.y = 500 + 800 * Math.sin(getTimer() / 2000);
                        singleRender();
                    });
                }
	}
}

import flash.display.*;
import flash.geom.*;

const NUM_PARTICLE:uint = 1500;
const ROT_STEPS:int = 128;
const ALPHA_STEPS:int = 20;
var rotArr:Vector.<DisplayImage> = new Vector.<DisplayImage>(ROT_STEPS * ALPHA_STEPS, true);
var multiplyConst:Number = 64 / Math.PI;

class DisplayImage {
	
	public var bmp:BitmapData;
	public var rect:Rectangle;
	public var cx:int, cy:int;
	
	function DisplayImage(bmp:BitmapData, cx:int, cy:int) {
		this.bmp = bmp;
		this.rect = bmp.rect;
		this.cx = cx;
		this.cy = cy;
		trimming();
	}
	
	private function trimming():void {
		var rect:Rectangle = bmp.getColorBoundsRect(0xFF000000, 0x00000000);
		var temp:BitmapData = new BitmapData(rect.width, rect.height, true, 0x00000000);
		cx -= rect.x;
		cy -= rect.y;
		temp.copyPixels(bmp, rect, new Point(0, 0));
		bmp = temp;
	}
}

class Arrow {
	
	public var img:DisplayImage;
	public var x:int, y:int;
	public var vx:Number = 0, vy:Number = 0, ax:Number = 0, ay:Number = 0;
	public var rot:int = 0, speed:int = 0;
	
	function Arrow(x:int, y:int) {
		this.x = x;
		this.y = y;
	}
	
	public function step(col:uint):void {
		ax += ( (col      & 0xff) - 0x80 ) * .0005;
		ay += ( (col >> 8 & 0xff) - 0x80 ) * .0005;
		vx += ax;
		vy += ay;
		x += vx;
		y += vy;
		
		var dir:Number = Math.atan2( vy, vx );
		rot = (128 + dir * multiplyConst) & 127;
		speed = Math.min(ALPHA_STEPS-1, (vx*vx + vy*vy) >> 1); // *0.5
		img = rotArr[rot + ROT_STEPS * speed];
		
		ax *= .96;
		ay *= .96;
		vx *= .92;
		vy *= .92;
		
		( x > 465 ) ? x = 0 : ( x < 0 ) ? x = 465 : 0;
		( y > 465 ) ? y = 0 : ( y < 0 ) ? y = 465 : 0;
	}
}

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