Add everything.

include/Skybox/Skybox.h

@@ -0,0 +1,23 @@
+#ifndef SKYBOX_H
+#define SKYBOX_H
+
+class Shader;
+
+class Skybox {
+private:
+    unsigned int VAO, VBO;
+    Shader* skyboxShader;
+    float timeOfDay = 0.5f; // 0.0 = night, 0.25 = sunrise, 0.5 = day, 0.75 = sunset, 1.0 = midnight
+
+    void setupMesh();
+
+public:
+    Skybox();
+    ~Skybox();
+    
+    void draw(const float* view, const float* projection);
+    void setTimeOfDay(float time); // 0.0 to 1.0
+    float getTimeOfDay() const { return timeOfDay; }
+};
+
+#endif