3D Image Sphere

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favorite:7
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license : MIT License
modified : 2010-11-15 16:41:46

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/*
Matrix3DとVector3Dのsample
Dragすると回転します
@enok00

画像はr-type-lさんの
http://r-type-l.net/
*/

package {
    //import com.flashdynamix.utils.SWFProfiler;
    import flash.display.BitmapData;
    import flash.display.Loader;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.geom.Matrix3D;
    import flash.geom.PerspectiveProjection;
    import flash.geom.Point;
    import flash.geom.Vector3D;

[SWF(backgroundColor="0xffffff", frameRate="40")]

public class Trick extends Sprite { 
        //Image
        private var _imgList:Array;
        private var _imgLoader:ImageLoader;
        private var _bmpList:Array = new Array();
        private var _loadCnt:uint = 0;
        
        //3D
        private var _viewMatrix3D:Matrix3D = new Matrix3D();
        private var _nDistance:Number = 1000;
        private var _myPerspective:PerspectiveProjection = new PerspectiveProjection();
        
        //Drag
        private var _downFlg:Boolean = false;
        private var _downPoint:Point;
        
        public function Trick() { 
            //SWFProfiler.init(stage, this);
            Wonderfl.disable_capture();
            
            _imgList = new Array("http://linkalink.jp/enok/wonderfl/3d/images/2-1.jpg", "http://linkalink.jp/enok/wonderfl/3d/images/2-2.jpg");
            getImage();
        }

private function getImage():void {
            _imgLoader = new ImageLoader(_imgList[_loadCnt]);
            _imgLoader.addEventListener(ImageLoader.LOAD_COMPLETE, onImageLoaded);
        }
        
        private function onImageLoaded(e:Event):void {
            var _currentLoader:Loader = e.currentTarget.getLoader();
            _bmpList[_loadCnt] = new BitmapData(_currentLoader.width, _currentLoader.height);
            _bmpList[_loadCnt].draw(_currentLoader);
            
            _loadCnt++;
            (_loadCnt < _imgList.length) ? getImage() : init();
        }
        
        private function init():void {
            _myPerspective.focalLength = _nDistance;
            _viewMatrix3D.appendTranslation(0, 0, _nDistance*1.2);
            _viewMatrix3D.append(_myPerspective.toMatrix3D());
            
            createPlanes(_bmpList[0], 200, 20, 8, 0.003);
            createPlanes(_bmpList[1], 100, 12, 4, 0.012);

addEventListener(Event.ENTER_FRAME, loop);
            stage.addEventListener(MouseEvent.MOUSE_DOWN, 
                function():void {
                    _downPoint = new Point(stage.mouseX, stage.mouseY);
                    _downFlg = true;
                });
            stage.addEventListener(MouseEvent.MOUSE_UP, 
                function():void {
                    _downFlg = false;
                });
        }
        
        private function createPlanes(pBmpData:BitmapData, pRadius:Number, pNum:uint, pNum2:uint, pNDeceleration:Number=0.01):void {
            var i:uint;
            var x:Number = 0, y:Number = 0, z:Number = 0, angle:Number = 0;
            var plane:Plane;
            var radius:Number = pRadius;
            //4の倍数
            var num:uint = pNum;
            var mnum:uint = num / 4;
            var num2:uint = pNum2;
            for (var j:uint = 0; j < num2; j++ ) {
                for (i = 1; i < num; i++ ) {
                    if(i%(mnum*2)==0){continue;}
                    x = 0;
                    y = Math.sin(Math.PI * 2 / num * i - Math.PI / 2) * radius;
                    z = Math.cos(Math.PI * 2 / num * i - Math.PI / 2) * radius;
                    angle = -Math.atan2(y, z) + Math.PI;
                    plane = new Plane(stage, pBmpData, _viewMatrix3D, x, y, z, angle, new Vector3D(1, 0, 0), pNDeceleration);
                    plane._worldMatrix3D.appendRotation(Math.PI / num2 * j * (180 / Math.PI), new Vector3D(0, 1, 0));
                    addChild(plane);
                }
            }
        }
        
        private function loop(e:Event):void {
            var i:uint;
            var nChildren:uint = numChildren;
            var pList:Array = new Array();
            var p:Plane;
            
            for (i = 0; i < nChildren; i++ ) {
                p = getChildAt(i) as Plane;
                pList.push({"p":p, "z":p._worldMatrix3D.position.z});
            }
            pList.sortOn("z", Array.NUMERIC | Array.DESCENDING);
            
            for (i = 0; i < nChildren; i++ ) {
                p = pList[i].p;
                setChildIndex(p, i);
                if (_downFlg) { p.aRotation(new Point(stage.mouseX - _downPoint.x, stage.mouseY - _downPoint.y)); }
                else { p.aRotation(null);}
                p.draw();
            }
            //viewを回してもOK
            //_viewMatrix3D.prependRotation(0.1, new Vector3D(0, 1, 0));
            //_viewMatrix3D.prependRotation(0.1, new Vector3D(1, 0, 0));
            //_viewMatrix3D.prependRotation(0.1, new Vector3D(0, 0, 1));
        }
    }
}

import flash.display.BitmapData;
import flash.display.DisplayObjectContainer;
import flash.display.Graphics;
import flash.display.Sprite;
import flash.events.Event;
import flash.geom.Matrix3D;
import flash.geom.Point;
import flash.geom.Utils3D;
import flash.geom.Vector3D;

class Plane extends Sprite {
    private var _s:DisplayObjectContainer;
    private var _bmpData:BitmapData;
    public var _radiusX:Number;
    public var _radiusY:Number;
    public var _radiusZ:Number;
    private var _angle:Number;
    private var _axis:Vector3D;
    
    public var _worldMatrix3D:Matrix3D = new Matrix3D();
    private var _nUnit:Number;
    private var _nDeceleration:Number ;
    private var _mySprite:Sprite = new Sprite();
    private var _myGraphics:Graphics = _mySprite.graphics;
    private var _myTexture:BitmapData;
    private var _vertices3D:Vector.<Number> = new Vector.<Number>();
    private var _vertices2D:Vector.<Number> = new Vector.<Number>();
    private var _indices:Vector.<int> = new Vector.<int>();
    private var _uvtData:Vector.<Number> = new Vector.<Number>();
    private var _viewMatrix3D:Matrix3D = new Matrix3D();
    
    private var _a:Point = new Point(0, 0);
    private var _v:Point = new Point(0, 0);
    
    public function Plane(ps:DisplayObjectContainer, pBmpData:BitmapData, pViewMatrix3D:Matrix3D, pRadiusX:Number, pRadiusY:Number, pRadiusZ:Number, pAngle:Number, pAxis:Vector3D, pNDeceleration:Number):void {
        _s = ps;
        _bmpData = pBmpData;
        _viewMatrix3D = pViewMatrix3D;
        _radiusX = pRadiusX;
        _radiusY = pRadiusY;
        _radiusZ = pRadiusZ;
        _angle = pAngle;
        _axis = pAxis;
        _nDeceleration = pNDeceleration;
        
        _nUnit = _bmpData.width / 2;
        _myTexture= new BitmapData(_bmpData.width, _bmpData.height);
        
        init();
    }
    
    private function init():void {
        _mySprite.x = _s.stage.stageWidth / 2;
        _mySprite.y = _s.stage.stageHeight / 2;
        addChild(_mySprite);
        
        _vertices3D.push(-_nUnit, -_nUnit, 0);
        _vertices3D.push(_nUnit, -_nUnit, 0);
        _vertices3D.push(-_nUnit, _nUnit, 0);
        _vertices3D.push(_nUnit, _nUnit, 0);
        
        _indices.push(0, 1, 2);
        _indices.push(1, 3, 2);
        
        _uvtData.push(0, 0, 0);
        _uvtData.push(1, 0, 0);
        _uvtData.push(0, 1, 0);
        _uvtData.push(1, 1, 0);
        
        _worldMatrix3D.prependRotation(_angle * (180 / Math.PI), _axis);
        _worldMatrix3D.appendTranslation(_radiusX, _radiusY, _radiusZ);
    }
    
    public function aRotation(pPoint:Point):void {
        if(pPoint!=null){
            _a.x = pPoint.x * _nDeceleration;
            _a.y = pPoint.y * _nDeceleration;
        }else {
            _a.x = 0;
            _a.y = 0;
        }
        
        _v.x = (_v.x + _a.x) * 0.95;
        _v.y = (_v.y + _a.y) * 0.95;
        
        _worldMatrix3D.appendRotation(-_v.x, Vector3D.Y_AXIS);    
        _worldMatrix3D.appendRotation(_v.y, Vector3D.X_AXIS);
    }
    
    public function draw():void {
        var myMatrix3D:Matrix3D = _worldMatrix3D.clone();
        
        myMatrix3D.append(_viewMatrix3D);
        _vertices2D = new Vector.<Number>();
        Utils3D.projectVectors(myMatrix3D, _vertices3D, _vertices2D, _uvtData);
        
        _myGraphics.clear();
        _myGraphics.beginBitmapFill(_bmpData);
        _myGraphics.drawTriangles(_vertices2D, _indices, _uvtData);
        _myGraphics.endFill();
    }
    
}

import flash.system.LoaderContext;
import flash.display.DisplayObjectContainer;
import flash.display.Loader;
import flash.display.LoaderInfo;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.net.URLRequest;

class ImageLoader extends EventDispatcher {
    public static const LOAD_COMPLETE:String = "LOAD_COMPLETE";
    public static const IOERROR:String = "IOERROR";
    protected var loader:Loader;
    
    public function ImageLoader(purl:String) {
        loader = new Loader();
        loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loaded);

init(purl);
    }
    
    protected function init(purl:String):void {
        var loaderContext:LoaderContext = new LoaderContext(true);
        var urlReq:URLRequest = new URLRequest(purl);
        loader.load(urlReq, loaderContext);
    }
    
    protected function loaded(e:Event):void {
        dispatchEvent(new Event(LOAD_COMPLETE));
    }
    
    public function getLoader():Loader { return loader; }
    
    
}

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