too much fixes

Camera.h

@@ -25,7 +25,7 @@ public:
     const float originalspeed = 0.08f;
     float speed = 0.08f;
     float sensitivity = 0.001f;
-    float FOV = 90.0f;
+    float FOV = 100.0f;
     float screenshake = 0.0f;
 
     Camera() {}
@@ -66,8 +66,10 @@ public:
     }
 
     glm::mat4 GetProjectionMatrix(float nearPlane, float farPlane) {
-        return glm::perspective(glm::radians(FOV),
-            (float)window->width / (float)window->height, nearPlane, farPlane);
+        // FOV is horizontal; convert to the vertical angle glm expects so wide screens aren't stretched
+        const float aspect = (float)window->width / (float)window->height;
+        const float vfov = 2.0f * atan(tan(glm::radians(FOV) * 0.5f) / aspect);
+        return glm::perspective(vfov, aspect, nearPlane, farPlane);
     }
 
     void Step(float dt) {