reflect and refraction

Oct 9 2025 8 minutes read (About 1197 words)

反射方向

反射定律:$\theta_i = \theta_o$

shading model

Oct 9 2025 4 minutes read (About 664 words)

Lambert Model

$$I_o = D * I_i\cos(\theta)$$

$$D = \frac{\rho_d}{\pi}$$

SRT represent's disadvantage

Oct 9 2025 5 minutes read (About 676 words)

$SRT$是指使用缩放,旋转,平移来表示变换矩阵

python 3 UnicodeDecodeError when pip install package

Oct 9 2025 a few seconds read (About 90 words)

Issue

安装python库时报错，UnicodeDecodeError

software recommend

Oct 9 2025 5 minutes read (About 808 words)

该页面用于收集好的工具软件

unity surface shader

Oct 9 2025 3 minutes read (About 504 words)

Flow

surface shader flow

unity _WorldSpaceLightDir in forwardBase lightMode

Oct 9 2025 2 minutes read (About 341 words)

现象

将方向光的旋转全部设为0，此时方向光朝向+Z,因此方向光的朝向为(0,0,1)

unreal setup.bat speed

Oct 9 2025 a few seconds read (About 15 words)

use hexo deploy github page

Oct 9 2025 6 minutes read (About 872 words)

Create Github Page

Create a new repo named <username>.github.io,<username> is your username on Github

Create a new branch named source

visual studio code convert tab to space

Oct 9 2025 a few seconds read (About 47 words)

使用空格缩进

打开VSCode控制面板,选择Indent Using Spaces

反射方向

Lambert Model

Issue

Flow

现象

Create Github Page

使用空格缩进

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