[PV3D] getChildLayer 使って Depth of Field
Depth of Field Demo
with Papervision3D, BetweenAS3, Progression 4
被写界深度的なエフェクトのかかったパーティクルデモ
練習がてら和製ライブラリを使って見よう見まねで作ってみた
inspired by mr.doob
http://blog.papervision3d.org/2007/09/04/mrdoobs-dof-experiments/
/**
* Copyright Nyarineko ( http://wonderfl.net/user/Nyarineko )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/hWmRY
*/
// forked from clockmaker's [PV3D] Depth of Field
/*
Depth of Field Demo
with Papervision3D, BetweenAS3, Progression 4
被写界深度的なエフェクトのかかったパーティクルデモ
練習がてら和製ライブラリを使って見よう見まねで作ってみた
inspired by mr.doob
http://blog.papervision3d.org/2007/09/04/mrdoobs-dof-experiments/
*/
package {
import flash.display.*;
import flash.events.*;
import flash.filters.*;
import flash.net.*;
import flash.system.*;
import flash.utils.*;
import jp.progression.commands.lists.SerialList;
import jp.progression.commands.net.LoadBitmapData;
import jp.progression.data.getResourceById;
import org.libspark.betweenas3.BetweenAS3;
import org.libspark.betweenas3.core.easing.*;
import org.libspark.betweenas3.easing.Bounce;
import org.libspark.betweenas3.easing.Expo;
import org.libspark.betweenas3.tweens.ITween;
import org.papervision3d.core.geom.renderables.Vertex3D;
import org.papervision3d.core.math.Number3D;
import org.papervision3d.core.proto.MaterialObject3D;
import org.papervision3d.materials.BitmapMaterial;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.objects.primitives.*;
import org.papervision3d.view.BasicView;
import org.papervision3d.view.layer.ViewportLayer;
[SWF(width=465, height=465, frameRate=90)]
/**
* Depth of Field Demo
* @author yasu
*/
public class Main extends BasicView {
public static const IMG_URL:String = "http://assets.wonderfl.net/images/related_images/0/05/0577/05777317b05c43a2aa44e3c2e13d71b01d561497";
private static const FOCUS_POSITION:int = 1000;
private static const MAX_NUM:int = 150;
private static const SNOW_MAX_DEPTH:int = 8;
public function Main() {
stage.quality = StageQuality.LOW;
new SerialList(null,
new LoadBitmapData(new URLRequest(IMG_URL), { context: new LoaderContext(true)}),
init).execute();
}
private var _particles:Vector.<Plane>;
private var _pitch:Number = 0;
private var _radius:Number = 1000;
private var _targetVertexs:Vector.<Vertex3D>;
private var _yaw:Number = 0;
protected function init():void {
// bmp
var i:int = 0;
var bmd:BitmapData = getResourceById(IMG_URL).toBitmapData();
// create blur field material
// create circle graphics
var sp:Sprite = new Sprite();
//sp.addChild(new BallImage());
sp.addChild(new Bitmap(bmd));
// copy bitmapdata
var bitmapData:BitmapData = new BitmapData(100, 100, true, 0x00000000);
bitmapData.draw(sp);
var vertexts:Array = [];
// sphere
vertexts[ 0 ] = [];
var w:MaterialObject3D = new MaterialObject3D();
var d:DisplayObject3D = new Sphere(w, 700, 13, 13);
vertexts[ 0 ] = d.geometry.vertices;
// cube
d = new Cube(new MaterialsList({ all: w }), 1000, 1000, 1000, 5, 5, 5);
vertexts[ 1 ] = d.geometry.vertices;
// random
vertexts[ 2 ] = [];
for (i = 0; i < MAX_NUM; i++)
vertexts[ 2 ][ i ] = new Vertex3D((Math.random() - 0.5) * 3000, (Math.random() - 0.5) * 3000, (Math.random() - 0.5) * 3000);
// earth
vertexts[ 3 ] = [];
for (i = 0; i < MAX_NUM; i++) {
vertexts[ 3 ][ i ] = vertexts[ 2 ][ i ].clone();
vertexts[ 3 ][ i ].y = -1500;
}
// cylinder
d = new Cylinder(w, 500, 1500, 15, 9);
vertexts[ 4 ] = d.geometry.vertices;
// init particle
_particles = new Vector.<Plane>(MAX_NUM, true);
for (i = 0; i < MAX_NUM; i++) {
// ボール
var mt:MaterialObject3D = new BitmapMaterial(bitmapData);
var ball:Plane = new Plane(mt, 100, 100);
scene.addChild(ball);
_particles[ i ] = ball;
}
// init tween
_targetVertexs = new Vector.<Vertex3D>(MAX_NUM, true);
var tweenArr:Array = [];
var ease:IEasing = new CubicEaseIn();
for (i = 0; i < MAX_NUM; i++) {
var t1:Vertex3D = vertexts[ 0 ][ i ];
var t2:Vertex3D = vertexts[ 1 ][ i ];
var t3:Vertex3D = vertexts[ 2 ][ i ];
var t4:Vertex3D = vertexts[ 3 ][ i ];
var t5:Vertex3D = vertexts[ 4 ][ i ];
// init
_targetVertexs[ i ] = t4;
// sphere
var tw1:ITween = BetweenAS3.delay(BetweenAS3.tween(_targetVertexs[ i ],
{ x: t1.x, y: t1.y, z: t1.z },
{ x: t5.x, y: t5.y, z: t5.z },
4, Expo.easeInOut), 1);
// cube
var tw2:ITween = BetweenAS3.delay(BetweenAS3.tween(_targetVertexs[ i ],
{ x: t2.x, y: t2.y, z: t2.z },
{ x: t1.x, y: t1.y, z: t1.z },
4, Expo.easeInOut), 1);
// random
var tw3:ITween = BetweenAS3.delay(BetweenAS3.tween(_targetVertexs[ i ],
{ x: t3.x, y: t3.y, z: t3.z },
{ x: t2.x, y: t2.y, z: t2.z },
3, Expo.easeInOut), 0.5);
// earth
var tw4:ITween = BetweenAS3.delay(BetweenAS3.tween(_targetVertexs[ i ],
{ x: t4.x, y: t4.y, z: t4.z },
{ x: t3.x, y: t3.y, z: t3.z },
1, Bounce.easeOut), 1);
// cylinder
var tw5:ITween = BetweenAS3.delay(BetweenAS3.tween(_targetVertexs[ i ],
{ x: t5.x, y: t5.y, z: t5.z },
{ x: t4.x, y: t4.y, z: t4.z },
4, Expo.easeInOut), 1);
tweenArr[ i ] = BetweenAS3.delay(BetweenAS3.serial(tw1, tw2, tw3, tw4, tw5), ease.calculate(i, 0, 0.75, MAX_NUM));
}
var masterTw:ITween = BetweenAS3.parallelTweens(tweenArr);
masterTw.stopOnComplete = false;
masterTw.play();
// start render
startRendering();
}
override protected function onRenderTick(event:Event = null):void {
// camera
_pitch += (mouseY / stage.stageHeight - 0.5) * 1;
_yaw += (mouseX / stage.stageWidth - 0.5) * 4;
camera.x = Math.sin(_yaw * Number3D.toRADIANS) * _radius;
camera.z = Math.cos(_yaw * Number3D.toRADIANS) * _radius;
camera.y = _pitch * _radius * 0.01;
// particle
for (var i:int = 0; i < MAX_NUM; i++) {
var p:Plane = _particles[ i ];
p.x = _targetVertexs[ i ].x;
p.y = _targetVertexs[ i ].y;
p.z = _targetVertexs[ i ].z;
p.scale = Math.sin(getTimer() / 150 + i * 0.04) * 0.5 + 1.1;
// calc distance
var f:Number = Math.abs(camera.distanceTo(p) - FOCUS_POSITION);
var deg:Number = (f ^ (f >> 31)) - (f >> 31); // Math.abs(f)と同等
// calc blur val
var blurVal:int = deg * .02 << 1; //ココの調整が絶妙
blurVal = blurVal > SNOW_MAX_DEPTH ? SNOW_MAX_DEPTH : blurVal;
//trace(blurVal);
var layer:ViewportLayer = viewport.getChildLayer(p);
layer.alpha = 1-blurVal/10;
// lookat camera
p.lookAt(camera);
p.yaw(180);
}
super.onRenderTick(event);
}
}
}