feat: multiple spheres

src/main.cpp

@@ -51,7 +51,8 @@ int main()
     GLuint litProgram = compileShaderProgram("./frag_lit.glsl");
     GLuint unlitProgram = compileShaderProgram("./frag_unlit.glsl");
 
-    Icosphere sphere(0.5, 2, litProgram, glm::vec3(0.0, 0.0, 0.0));
+    Icosphere planet(0.4, 2, litProgram, glm::vec3(0.0, 0.0, 0.0));
+    Icosphere orbiter(0.1, 2, litProgram, glm::vec3(0.6, 0.0, 0.0));
     Orbit orbit(100);
 
     // Main loop
@@ -65,7 +66,9 @@ int main()
         // Render lit objects
         glUseProgram(litProgram);
         updateModelViewProjectionMatrix(litProgram, time);
-        sphere.render();
+
+        planet.render();
+        orbiter.render();
 
         // Render unlit objects
         glUseProgram(unlitProgram);