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剛才實現(xiàn)了將兩個實例放進一個組里，可以實現(xiàn)聯(lián)動的效果，那么單獨的實例能否單獨定義呢？

當然可以。
下面將兩個實例，以Y軸實現(xiàn)旋轉(zhuǎn)。
這里用到了，pan 屬性，實現(xiàn)的是實例沿Y軸旋轉(zhuǎn)。

代碼：

package
{
    import flash.display.Sprite;
    import flash.events.*;
    import flash.ui.*;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Loader;
    import flash.net.URLRequest;
    import flash.display.Stage;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import sandy.core.Scene3D;
    import sandy.core.scenegraph.*;
    import sandy.primitive.*;
    import sandy.materials.*;
    import sandy.materials.attributes.*;
    import sandy.core.data.*;
   
    /**
     * ...
     * @author ever5u
     */
    public class fuxi extends Sprite
    {
        private var scene:Scene3D;
        private var camera:Camera3D;
        public function fuxi() {
            stage.scaleMode = StageScaleMode.NO_SCALE;
            stage.align = StageAlign.TOP_LEFT;
            //創(chuàng)建一個攝像機
            camera = new Camera3D(300, 300);
            camera.x = 100;
            camera.y = 100;
            camera.z = -300;
            camera.lookAt(0,0,0);
            //創(chuàng)建一個 Group
            var root:Group = createScene();
            //創(chuàng)建場景
            scene = new Scene3D( "scene", this, camera, root );
            //創(chuàng)建實時偵聽
            addEventListener( Event.ENTER_FRAME, enterFrameHandler );
            stage.addEventListener(KeyboardEvent.KEY_DOWN, keyPressed);
        }
        var box = new Box("box", 100, 100, 100);
        var myCone = new Cone("myCone", 50, 100);
        var myHedra = new Hedra( "myHedra", 80, 60, 60);
        var tg:TransformGroup;
        var Plane:Plane3D;
        public function createScene() {
            var g:Group = new Group();
           
            //在場景畫一個坐標定位點
            Plane = new Plane3D("Texture", 300, 300);
            var myXLine:Line3D = new Line3D( "x-coord", new Point3D( -20, 0, 0), new Point3D( 20, 0, 0 ));
            var myYLine:Line3D = new Line3D( "y-coord", new Point3D(0, -20, 0), new Point3D( 0, 20, 0 ));
            var myZLine:Line3D = new Line3D( "z-coord", new Point3D(0, 0, -20), new Point3D( 0, 0, 20 ));
            //創(chuàng)建一個新組
            tg = new TransformGroup('myGroup');
            //定義圓錐體和多面體的坐標
            myCone.x = -160;
            myCone.z = 150;
            myHedra.x = 90;
            //復(fù)習一下為物體著色吧
            var materialAttr:MaterialAttributes = new MaterialAttributes(
                new LineAttributes( 0.5, 0x2111BB, 0.4 ),
                new LightAttributes( true, 0.1)
                );
            var material:Material = new ColorMaterial( 0xFFCC33, 1, materialAttr );
            material.lightingEnable = true;
            var app:Appearance = new Appearance( material );
            myCone.appearance = app;
            myHedra.appearance = app;
            //將兩個物體放進新的組里
            tg.addChild(myCone);
            tg.addChild(myHedra);
            g.addChild(tg);
            g.addChild(myXLine);
            g.addChild(myYLine);
            g.addChild(myZLine);
            //g.addChild( myCone );
            //g.addChild( myHedra );
            return g;
        }
        public function enterFrameHandler(_evt:Event) {
            //box.rotateX = mouseX;
            //box.rotateY = mouseY;
            myHedra.pan += 4;
            myCone.pan -= 4;
            scene.render();
        }
        private function keyPressed(event:KeyboardEvent):void {
            switch(event.keyCode) {
                case Keyboard.UP:
                    tg.y +=2;
                    break;
                case Keyboard.DOWN:
                    tg.y -=2;
                    break;
                case Keyboard.RIGHT:
                    tg.roll +=2;
                    break;
                case Keyboard.LEFT:
                    tg.roll -=2;
                    break;
            }
        }
    }
   
}

效果：

出處：藍色理想
責任編輯：bluehearts

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