Orthonormal basis

As seen in this shader

https://www.shadertoy.com/view/lldGRM

Imagine you wanted to orient houses, trees, and tigers on a small asteroid surface, or you wanted to grow hair on a shape.

首先查看链接的 Shadertoy shader，以理解正交归一基的概念及其用于确定物体在表面上朝向的方式。该 issue 需要明确的范围和定义好的交付成果，之后才能开始实现。

由索引模型根据 Issue 内容生成。