基于外部Flash的Web3D虚拟场景二维导航

摘要

Usability studies show that, in addition to displaying the three-dimensional scene, the virtual reality application need to provide a map to implement the two-dimensional navigation function, in order to make the software more friendly and easy to use.TurnTool is a powerful Web3D engine tool, but because of its single-lane feature, it is difficult to implement 2D navigation directly in its scene.This paper presented a method of using external Flash object as a navigation map and relying on JavaScript for communication between objects.By means of this method, two-dimensional navigation of Web3D virtual scene could be realized.This method had versatility,but also could be applied to other Web3D engine.%可用性研究表明,虚拟现实应用除了展示三维场景,还要给出一个地图实现二维导航功能,这样才能使软件更加友好和易用.TurnTool是一种功能强大的Web3D引擎工具,但由于其单通道特征,难以直接在其场景中实现二维导航的功能.提出一种用外部Flash对象作为导航图,依靠JavaScript 进行对象间通信的方法.依靠该方法,可以实现Web3D虚拟场景的二维导航.该方法有通用性,也可适用于其他Web3D引擎.