Away3D - 线条的绘制
作者:hangge | 2015-11-08 09:48
1,使用LineSegment创建线段
(1)可以设置线条的开始坐标,结束坐标,起始颜色,结束颜色,线条粗细等
(2)将创建好的一系列线条添加到SegmentSet,最后将SegmentSet添加到View3D里。
2,效果图如下:
3,代码如下:
package{ import flash.display.Sprite; import flash.display.StageAlign; import flash.display.StageScaleMode; import flash.events.Event; import flash.events.MouseEvent; import flash.geom.Vector3D; import away3d.containers.View3D; import away3d.controllers.HoverController; import away3d.entities.Mesh; import away3d.entities.SegmentSet; import away3d.materials.TextureMaterial; import away3d.primitives.CubeGeometry; import away3d.primitives.LineSegment; import away3d.utils.Cast; [SWF(frameRate="60", backgroundColor="#FFFFFF")] public class S3 extends Sprite { private var _view3D:View3D; private var cameraController:HoverController;//360全景展示相机控制器 //地板图片(用作地板的纹理 ) [Embed(source="assets/road.jpg")] private var floorClass:Class; //地板材质 private var floorMaterial:TextureMaterial; private var _lastX:Number = 0; private var _lastY:Number = 0; public function S3() { initEngine(); initMaterials(); initObjects(); initListeners(); } /** * 初始化引擎 */ private function initEngine():void { stage.scaleMode = StageScaleMode.NO_SCALE; stage.align = StageAlign.TOP_LEFT; // 创建一个视口 _view3D = new View3D(); _view3D.antiAlias = 4; //设置抗锯齿级别 //初始化摄像头 cameraController = new HoverController(_view3D.camera); /*cameraController.distance = 1000; cameraController.minTiltAngle = 0; cameraController.maxTiltAngle = 90; cameraController.panAngle = 45;*/ cameraController.tiltAngle = 15; addChild(_view3D); } /** * 初始化材质 */ private function initMaterials():void { //地板的纹理 floorMaterial = new TextureMaterial(Cast.bitmapTexture(floorClass)); } /** * 初始化物体 */ private function initObjects():void { // 在三维舞台中创建一个方块(地板 ) var cube1:Mesh = new Mesh(new CubeGeometry(700, 20, 500), floorMaterial); _view3D.scene.addChild(cube1); //创建线条 var linesContainer:SegmentSet = new SegmentSet(); //线的两端点,粗细,起始端颜色,结束端颜色 var line:LineSegment = new LineSegment(new Vector3D(0,0,0),new Vector3D(200,200,200), 0xFF0000,0x00FF00,1); linesContainer.addSegment(line); _view3D.scene.addChild(linesContainer); } /** * 初始化监听 */ private function initListeners():void { addEventListener(Event.ENTER_FRAME, _onEnterFrame); //鼠标事件监听 stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown); stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp); stage.addEventListener(MouseEvent.MOUSE_WHEEL,onWheel); stage.addEventListener(Event.RESIZE, onResize); onResize(); } /** * 渲染视图 */ private function _onEnterFrame(e:Event):void { //渲染视图 _view3D.render(); } /** * 使用舞台大小一直全屏 */ private function onResize(event:Event = null):void { _view3D.width = stage.stageWidth; _view3D.height = stage.stageHeight; } /** * 鼠标滚轮事件 */ private function onWheel(e:MouseEvent):void { if(e.delta > 0){ if(cameraController.distance < 1000) cameraController.distance += 100; }else{ if(cameraController.distance > 600) cameraController.distance -= 100; } } /** * 鼠标按下事件 */ private function onMouseDown(event:MouseEvent):void { _view3D.stage.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler); _lastX = _view3D.mouseX; _lastY = _view3D.mouseY; } /** * 鼠标弹起事件 */ private function onMouseUp(event:MouseEvent):void { _view3D.stage.removeEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler); } /** * 鼠标移动事件 */ private function mouseMoveHandler(event:MouseEvent):void { //移动摄像机 var dx:Number = _view3D.mouseX - _lastX; var dy:Number = _view3D.mouseY - _lastY; cameraController.panAngle += dx; cameraController.tiltAngle += dy; _lastX = _view3D.mouseX; _lastY = _view3D.mouseY; } } }源码下载:Amay3DTest3.zip
全部评论(0)