PerspectiveProjectionの練習 - 宇宙 -

PerspectiveProjectionの練習
処理が遅いとか気にしない

by geko 15 Aug 2010

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trippy
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/**
 * Copyright geko ( http://wonderfl.net/user/geko )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/e9Nb
 */

// PerspectiveProjectionの練習
// 処理が遅いとか気にしない
package {
    import flash.filters.BlurFilter;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.PerspectiveProjection;
    
    public class FlashTest extends Sprite {
        public var bmp:Bitmap = new Bitmap();
        public var blur:BlurFilter = new BlurFilter(4, 4, 3);
        
        public function FlashTest() {
            this.x = stage.stageWidth/2;
            this.y = stage.stageHeight/2;
            this.z = 1000;
            
            for(var i:int = 0;i < 1000;i++){
                var object:TestObject = new TestObject(this);
            }
       
            bmp.bitmapData = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0x000000);
            bmp.filters = [blur];
            stage.addChildAt(bmp, 0);
            bmp.bitmapData.draw(stage);
            
            this.addEventListener(Event.ENTER_FRAME, loop);
        }
        
        private function loop(event:Event):void{
            bmp.bitmapData.fillRect(bmp.bitmapData.rect, 0x000000);
            bmp.bitmapData.draw(stage);
            
            root.transform.perspectiveProjection.fieldOfView += 0.2;
            if(root.transform.perspectiveProjection.fieldOfView > 100) root.transform.perspectiveProjection.fieldOfView = 50;
        }
    }
}

import flash.display.BlendMode;
import flash.display.DisplayObjectContainer;
import flash.display.Shape;
import flash.filters.BlurFilter;

class TestObject extends Shape{
    private var val:uint = 0xFFCCDD;
    private var blur:BlurFilter = new BlurFilter(2, 2, 3);
    public function TestObject(parent:DisplayObjectContainer){
        this.blendMode = BlendMode.ADD;
        this.filters = [blur];
        
        this.graphics.beginFill(val);
        this.graphics.drawCircle(0,0,3);
        this.graphics.endFill();
        this.x = Math.random()*1000-500;
        this.y = Math.random()*1000-500;
        this.z = -Math.random()*1000;
        
        parent.addChild(this);
    }
}