mirror of
https://github.com/CaiJimmy/hugo-theme-stack.git
synced 2025-04-29 12:03:31 +08:00
42 lines
949 B
Markdown
42 lines
949 B
Markdown
+++
|
|
author = "Wxn"
|
|
title = "三维方向的思考"
|
|
date = "2023-11-05"
|
|
description = "Please read me first."
|
|
tags = [
|
|
"三维方向的思考",
|
|
]
|
|
categories = [
|
|
"个人随笔",
|
|
]
|
|
|
|
+++
|
|
|
|
This article offers a sample of basic Markdown.
|
|
<!--more-->
|
|
|
|
# 正文开始
|
|
|
|
## OpenGL
|
|
|
|
着色器与纹理贴图
|
|
|
|
## 一道题
|
|
|
|
如何判断一个点(x,y)在一个多边形的内部,外部,还是边上?
|
|
|
|
我们先来看看国外教授的看法:https://alienryderflex.com/polygon/
|
|
|
|
|
|
|
|
这种情况有点特殊,而且如果遇到了也不知道如何解决.所以我找找看有没有更简单的办法
|
|
|
|
----
|
|
|
|
下面这个同学讲的很好,使用叉乘!
|
|
|
|
博客:【如何判断点在多边形内部 - CSDN App】http://t.csdnimg.cn/JMdc7
|
|
|
|
视频:[教学视频](https://www.bilibili.com/video/BV1FD4y1i7Dy/?share_source=copy_web&vd_source=9a022d27a757e495adc6e15743c4ec1d)
|
|
|
|
<font color=red>下面来讲一下叉乘</font> |