SceneKit中的折射可能吗？ [英] Is refraction in SceneKit possible?

问题描述

是否可以制作一个穿过光线的形状，这样你可以通过屈光而弯曲的光线看到它？像镜头或玻璃（或水）？

Is it possible to make a shape that passes through light so you can see through it with the light bent due to refraction? Like a lens or a glass (or water)?

推荐答案

是的，物理学的惊人的力量一切皆有可能的！您需要创建自己的着色器。来自维基百科：

Yes, everything is possible with the amazing power of Physics! You'll need to create your own shader though. From Wikipedia:

在计算机图形领域，着色器是一个计算机程序，
用于进行着色：在图像中生成适当级别的颜色
，或者在现代时代，还可以制作特殊的
效果或进行视频后期处理。外行人的术语定义
可能被称为一个程序告诉计算机如何以特定和独特的方式绘制
的东西。

In the field of computer graphics, a shader is a computer program that is used to do shading: the production of appropriate levels of color within an image, or, in the modern era, also to produce special effects or do video post-processing. A definition in layman's terms might be given as "a program that tells a computer how to draw something in a specific and unique way".

objc.io有精彩教程如果您有兴趣，可以在SceneKit上使用。

objc.io has a great tutorial on SceneKit if you're interested.

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