forked from: forked from: キラキラ星と空間 (1)

キラキラ星と空間 (1)    [Papervision3D]

by newkenken705 04 May 2013

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/**
 * Copyright newkenken705 ( http://wonderfl.net/user/newkenken705 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/a0Os
 */

// forked from newkenken705's forked from: キラキラ星と空間 (1)
// forked from ProjectNya's キラキラ星と空間 (1)
////////////////////////////////////////////////////////////////////////////////
// キラキラ星と空間 (1)    [Papervision3D]
////////////////////////////////////////////////////////////////////////////////

package {

    import flash.display.Sprite;
    import flash.display.BitmapData;
    import flash.display.Bitmap;
    import flash.display.PixelSnapping;
    import flash.display.BlendMode;
    import flash.geom.Matrix;
    import flash.filters.BlurFilter;
     import flash.events.Event;
    import org.papervision3d.scenes.Scene3D;
    import org.papervision3d.cameras.Camera3D;
    import org.papervision3d.view.Viewport3D;
    import org.papervision3d.render.BasicRenderEngine;
    import org.papervision3d.objects.DisplayObject3D;
    import org.papervision3d.core.geom.Pixels;
    import org.papervision3d.core.geom.renderables.Pixel3D;
    import org.papervision3d.view.layer.BitmapEffectLayer;
    import org.papervision3d.core.effects.BitmapColorEffect;

    [SWF(backgroundColor="#CCC", width="465", height="465", frameRate="30")]

    public class Main extends Sprite {
        private var scene:Scene3D;
        private var camera:Camera3D;
        private var viewport:Viewport3D;
        private var overlay:Scene3D;
        private var overlayport:Viewport3D;
        private var renderer:BasicRenderEngine;
        private var pixels:Pixels;
        private var effect:BitmapEffectLayer;
        private var bitmapData:BitmapData;
        private static var scale:uint = 4;
        private var matrix:Matrix;
        private static var colors:Array = [0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFF00, 0xFF00FFFF];
        private var angle:Number = 90;
        private static var radius:uint = 1000;

        public function Main() {
            //Wonderfl.capture_delay(8);
            init();
        }

        private function init():void {
            graphics.beginFill(0x000000);
            graphics.drawRect(0, 0, 465, 465);
            graphics.endFill();
            scene = new Scene3D();
            overlay = new Scene3D();
            camera =new Camera3D();
            camera.z = -1000;
            camera.focus = 500;
            camera.zoom = 1;
            camera.target = DisplayObject3D.ZERO;
            viewport = new Viewport3D(0, 0, true, false);
            overlayport = new Viewport3D(0, 0, true, false);
            addChild(viewport);
            renderer = new BasicRenderEngine();
            addEventListener(Event.ENTER_FRAME, render, false, 0, true);
            effect = new BitmapEffectLayer(viewport, 465, 465);
            viewport.containerSprite.addLayer(effect);
            effect.addEffect(new BitmapColorEffect(1, 1, 1, 0.75));
            pixels = new Pixels(effect);
            scene.addChild(pixels);
            for (var n:uint = 0; n < 1600; n++) {
                var px:Number = Math.random()*2000 - 1000;
                var py:Number = Math.random()*2000 - 1000;
                var pz:Number = Math.random()*2000 - 1000;
                var id:uint = Math.floor(Math.random()*colors.length);
                var pixel:Pixel3D = new Pixel3D(colors[id], px, py, pz);
                pixels.addPixel3D(pixel);
            }
            bitmapData = new BitmapData(465/scale, 465/scale, false, 0xFF000000);
            var bitmap:Bitmap = new Bitmap(bitmapData, PixelSnapping.NEVER, true);
            bitmap.scaleX = bitmap.scaleY = scale;
            bitmap.blendMode = BlendMode.ADD;
            addChild(bitmap);
            addChild(overlayport);
            matrix = new Matrix(1/scale, 0, 0, 1/scale, 0, 0);
        }
        private function render(evt:Event):void {
            bitmapData.lock();
            bitmapData.fillRect(bitmapData.rect, 0xFF000000);
            bitmapData.draw(viewport, matrix);
            bitmapData.unlock();
            angle ++;
            var cp:Number = Math.sin(angle*Math.PI/180)*radius*0.4+ radius*0.6;
            camera.x = cp*Math.sin(angle*Math.PI/180);
            camera.y = cp*Math.sin(angle*Math.PI/180);
            camera.z = cp*Math.cos(angle*Math.PI/180);
            renderer.renderScene(scene, camera, viewport);
            renderer.renderScene(overlay, camera, overlayport);
        }
        
    }

}