Add glm (again).

- fix CMakeLists.txt from 70094e6
- glm from https://github.com/g-truc/glm

Author: kugimasa

.gitignore

@@ -179,6 +179,7 @@ Temporary Items
 # External Libraries
 glfw/
 glfw3webgpu/
+glm/
 webgpu/
 
 # Obj files

CMakeLists.txt

@@ -26,6 +26,7 @@ add_executable(WebGPUTracer
                external/implementation.cpp)
 
 include_directories(src/include)
+include_directories(glm)
 include_directories("external/stb")
 include_directories("external/tinyobjloader")
 

README.md

@@ -9,6 +9,7 @@ This renderer is based on ["Learn WebGPU for C++"](https://eliemichel.github.io/
 ## Requirements
 
 - [GLFW](https://eliemichel.github.io/LearnWebGPU/getting-started/opening-a-window.html#installation-of-glfw)
+- [GLM](https://github.com/g-truc/glm)
 - WebGPU related
     - [GLFW3 WebGPU Extension](https://eliemichel.github.io/LearnWebGPU/getting-started/the-adapter.html#glfw3-webgpu-extension)
     - [WebGPU](https://eliemichel.github.io/LearnWebGPU/getting-started/hello-webgpu.html#option-c-the-flexibility-of-both)

src/include/utils/util.h

@@ -10,10 +10,18 @@
 #include <array>
 #include <random>
 
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#define GLM_FORCE_LEFT_HANDED
+
+#include <glm.hpp>
+#include <ext.hpp>
 
 using std::shared_ptr;
 using std::make_shared;
 using std::sqrt;
+using glm::vec3;
+using glm::vec4;
+using glm::mat4x4;
 
 constexpr double INF = std::numeric_limits<double>::infinity();