Updated examples to make them clearer

examples/core_3d_camera_free.c

@@ -22,10 +22,10 @@ int main()
 
     // Define the camera to look into our 3d world
     Camera camera;
-    camera.position = (Vector3){ 0.0f, 10.0f, 10.0f };
-    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
-    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
-
+    camera.position = (Vector3){ 0.0f, 10.0f, 10.0f };  // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    
     Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };
     
     SetCameraMode(CAMERA_FREE);         // Set a free camera mode