mirrors/LearnOpenGL-CN
1
0
Fork 0
mirror of https://github.com/LearnOpenGL-CN/LearnOpenGL-CN.git synced 2025-08-22 20:25:28 +08:00
Code Activity

Merge pull request #57 from JiangMuWen/new-theme

Browse Source 
tiny code mistake
This commit is contained in:
Meow J
2017-02-04 22:14:30 +08:00
committed by GitHub
parent 4014f37934 61a92b5224
commit 52cfbd2369
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
docs/05 Advanced Lighting/03 Shadows/02 Point Shadows.md
View File

@@ -108,7 +108,7 @@ RenderScene();
GLfloat aspect = (GLfloat)SHADOW_WIDTH/(GLfloat)SHADOW_HEIGHT;
GLfloat near = 1.0f;
GLfloat far = 25.0f;
glm::mat4 shadowProj = glm::perspective(90.0f, aspect, near, far);
glm::mat4 shadowProj = glm::perspective(glm::radians(90.0f), aspect, near, far);
```
非常重要的一点是，这里glm::perspective的视野参数，设置为90度。90度我们才能保证视野足够大到可以合适地填满立方体贴图的一个面，立方体贴图的所有面都能与其他面在边缘对齐。
@@ -202,7 +202,7 @@ void main()
lightDistance = lightDistance / far_plane;
// Write this as modified depth
gl_FragDepth = gl_FragCoord.z;
gl_FragDepth = lightDistance;
}
```
@@ -476,4 +476,4 @@ PCF算法的结果如果没有变得更好，也是非常不错的，这是柔
- [Shadow Mapping for point light sources in OpenGL](http://www.sunandblackcat.com/tipFullView.php?l=eng&topicid=36)：sunandblackcat的万向阴影映射教程。
- [Multipass Shadow Mapping With Point Lights](http://ogldev.atspace.co.uk/www/tutorial43/tutorial43.html)：ogldev的万向阴影映射教程。
- [Omni-directional Shadows](http://www.cg.tuwien.ac.at/~husky/RTR/OmnidirShadows-whyCaps.pdf)：Peter Houska的关于万向阴影映射的一组很好的ppt。
- [Omni-directional Shadows](http://www.cg.tuwien.ac.at/~husky/RTR/OmnidirShadows-whyCaps.pdf)：Peter Houska的关于万向阴影映射的一组很好的ppt。