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Sprite2D，應(yīng)該怎么解釋呢。 Sprite【精靈、雪碧、還是子畫面】
我理解的是場(chǎng)景中的平面元素，就像是紙片的效果。

接下來(lái)用到兩個(gè)新的類，涉及到Sandy的行為了。
import sandy.util.*;
import sandy.events.*;
//控制鏡頭的前進(jìn)與后退。
camera.moveForward() ;
//控制鏡頭的平移
camera.pan
camera.tilt

看看效果，怎么樣，有點(diǎn)打CS時(shí)的感覺(jué)了吧�。�

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.*;
    import sandy.util.*;
    import sandy.events.*;
   
    /**
     * ...
     * @author ever5u
     */
    public class fuxi extends Sprite
    {
        private var scene:Scene3D;
        private var camera:Camera3D;
        private var queue:LoaderQueue;
        private var numTree:Number = 50;
       
        public function fuxi() {
            queue = new LoaderQueue();
            queue.add( "tree", new URLRequest("tree.gif") );
            queue.addEventListener(SandyEvent.QUEUE_COMPLETE, loadComplete );
            queue.start();
        }
        public function loadComplete(event:QueueEvent ):void {
            //先創(chuàng)建攝像機(jī)
            camera = new Camera3D( 600, 300 );
            camera.y = 10;
            camera.z = -300;
            //創(chuàng)建 Group
            var root:Group = createScene();
            //創(chuàng)建場(chǎng)景
            scene = new Scene3D( "scene", this, camera, root );
            scene.rectClipping = true;
            addEventListener( Event.ENTER_FRAME, enterFrameHandler );
            stage.addEventListener(KeyboardEvent.KEY_DOWN, keyPressedHandler);
            stage.addEventListener(MouseEvent.MOUSE_MOVE, mouseMovedHandler);
        }
        private function createScene():Group {
            var g:Group = new Group();
            for(var i:Number=0; i<numTree; i++){
                var bit:Bitmap = new Bitmap(queue.data["tree"].bitmapData);
                var s:Sprite2D = new Sprite2D("tree"+i,bit,1);
                s.x = Math.random()*600 - 300;
                s.z = Math.random()*600;
                s.y = 0;
                g.addChild(s);
            }
            return g;
        }
        private function enterFrameHandler( event : Event ) : void {
            scene.render();
        }
        private function keyPressedHandler(event:KeyboardEvent):void {
            switch(event.keyCode) {
                case Keyboard.UP:
                    camera.moveForward(5);
                    break;
                case Keyboard.DOWN:
                    camera.moveForward(-5);
                    break;
            }
        }
         private function mouseMovedHandler(event:MouseEvent):void {
            camera.pan=(event.stageX-300/2)/10;
            camera.tilt=(event.stageY-300/2)/20;  
        }   
    }   
}

效果：（圖片和Swf要放在同一目錄下）

出處：藍(lán)色理想
責(zé)任編輯：bluehearts

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