A serious refactor. Moved the entire window management process to another thread. Made a plotting interface with DLL exports. Refactored camera and changed transformation approach based on Jordan's suggestions

src/util.cpp

@@ -93,7 +93,6 @@ Array<char*> _split_str_inner(const char* s, char delim, bool just_check_ws) {
     return res;
 }
 
-
 // https://songho.ca/opengl/gl_quaternion.html
 glm::mat4 quat_to_mat4(glm::quat q) {
     glm::vec4 col0 = glm::vec4(
@@ -109,3 +108,7 @@ glm::mat4 quat_to_mat4(glm::quat q) {
 
     return glm::mat4(col0, col1, col2, col3);
 }
+
+float randf() {
+    return (float)rand() / (float)RAND_MAX;
+}