[ActionScript 3.0] Away3D 非skybox的全景例子

package
{
    import away3d.containers.View3D;
    import away3d.controllers.HoverController;
    import away3d.entities.Mesh;
    import away3d.materials.TextureMaterial;
    import away3d.primitives.SphereGeometry;
    import away3d.utils.Cast;
    
    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.Event;
    import flash.events.MouseEvent;
    
    /**
     * @author Frost.Yen
     * @E-mail 871979853@qq.com
     * @create 2015-9-23 下午3:18:40
     *
     */
    [SWF(width='800',height='600',frameRate="60", backgroundColor="0x000000")]

    
    public class Away3dOverall extends Sprite
    {
        [Embed(source = "assets/1.jpg")]
        private static var BallMaterial:Class;
        private var _startX:Number;
        private var _startY:Number;
        private var _mouseX:Number;
        private var _mouseY:Number;
        private var _view:View3D;
        private var _cameraHoverController:HoverController;
        private var _sphere:SphereGeometry;
        private var _sphereMaterial:TextureMaterial;
        private var _mesh:Mesh;
        public function Away3dOverall()
        {
            if (stage) {
                init();
            }else {
                this.addEventListener(Event.ADDED_TO_STAGE, init);
            }

        }
        private function init(e:Event = null):void {
            stage.scaleMode = StageScaleMode.NO_SCALE;
            stage.align = StageAlign.TOP_LEFT;
            this.removeEventListener(Event.ADDED_TO_STAGE, init);
            
            _view = new View3D();
            addChild(_view);
            _view.antiAlias = 6;
            //摄像机渲染范围2000
            _view.camera.lens.far = 2000;
            
            _cameraHoverController = new HoverController(_view.camera, null, 90, 0, 300);
            _cameraHoverController.yFactor = 1;
            _sphere = new SphereGeometry(1000, 64);
            //_sphere.yUp = false;
            _sphereMaterial = new TextureMaterial(Cast.bitmapTexture(BallMaterial));
            _sphereMaterial.bothSides = true;
            _sphereMaterial.smooth = true;
            _mesh = new Mesh(_sphere, _sphereMaterial);
            //MeshHelper.invertFaces(_mesh);
            
            _view.camera.position = _mesh.position;
            
            _view.scene.addChild(_mesh);this.addEventListener(Event.ENTER_FRAME, onEnterFrame);
            stage.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownFunction);
            stage.addEventListener(MouseEvent.MOUSE_WHEEL, onWheel);
        }
        private function onWheel(e:MouseEvent):void 
        {
            if (e.delta > 0) {
                if (_cameraHoverController.distance > 6) {
                    _cameraHoverController.distance -= 5;
                }
            }else if (e.delta < 0) {
                if (_cameraHoverController.distance < 600) {
                    _cameraHoverController.distance += 5;
                }
            }
        }
        
        private function mouseDownFunction(e:MouseEvent):void 
        {
            _startX = _cameraHoverController.panAngle;
            _startY = _cameraHoverController.tiltAngle;
            _mouseX = mouseX;
            _mouseY = mouseY;
            stage.addEventListener(MouseEvent.MOUSE_MOVE,mouseMoveFunction);
            stage.addEventListener(MouseEvent.MOUSE_UP,mouseUpFunction);
        }
        
        private function mouseUpFunction(e:MouseEvent):void 
        {
            stage.removeEventListener(MouseEvent.MOUSE_MOVE,mouseMoveFunction);
            stage.removeEventListener(MouseEvent.MOUSE_UP,mouseUpFunction);
            //stage.addEventListener(MouseEvent.MOUSE_DOWN,mouseDownFunction);
        }
        
        private function mouseMoveFunction(e:MouseEvent):void 
        {
            _cameraHoverController.panAngle = (mouseX - _mouseX) * .3 + _startX;
            _cameraHoverController.tiltAngle = (mouseY - _mouseY) * .3 + _startY;
        }
        
        private function onEnterFrame(e:Event):void 
        {
            _view.render();
        }

    }
}

需要一张无缝全景图，像这样的：