背景知识【虚拟现实VR】所谓“虚拟现实”(Virtual Reality,简称VR),本质上是一种沉浸性、互动性的经验,制造这种经验的途径可以是认知的、艺术的、技术的,或者这三者的结合,只要这种被制造出来的经验可以在一定范围内达到与现实相混淆的地步,就都可广义地称为“虚拟现实”。狭义的虚拟现实则特指以数字技术制造的虚拟现实经验,就是利用计算机图形技术,创造出一种逼真的可交互的虚拟三维环境,能生成视、听、 Background [Virtual Reality VR] The so-called “Virtual Reality” (VR) is essentially an immersive and interactive experience. The way to make this experience can be cognitive, artistic, Technology, or a combination of the three, can be broadly described as “virtual reality ” as long as the manufactured experience can be confused with reality to some extent. Narrowly defined virtual reality refers specifically to the virtual reality experience created by digital technology, that is, the use of computer graphics technology to create a realistic and interactive virtual three-dimensional environment that can generate visual, listening,