Feature: reset_camera

coresdk/src/coresdk/camera.cpp

@@ -56,7 +56,11 @@ namespace splashkit_lib
         return point_at(_camera_x + screen_width() / 2.0f, _camera_y + screen_height() / 2.0f);
     }
 
-
+    void reset_camera()
+    {
+        _camera_x = 0;
+        _camera_y = 0;
+    }
 
     //---------------------------------------------------------------------------
     // World-To-Screen Translation

coresdk/src/coresdk/camera.h

@@ -89,6 +89,13 @@ namespace splashkit_lib
      */
     point_2d screen_center();
 
+    /**
+     * Reset the camera position back to (x = 0, y = 0).
+     *
+     * This is the equivilent to calling the functions set_camera_x(0) and set_camera_y(0).
+     */
+    void reset_camera();
+
     //---------------------------------------------------------------------------
     // World-To-Screen Translation
     //---------------------------------------------------------------------------

coresdk/src/test/test_camera.cpp

@@ -6,6 +6,7 @@
 //  Copyright © 2016 Andrew Cain. All rights reserved.
 //
 
+#include <cassert>
 #include "window_manager.h"
 #include "sprites.h"
 #include "graphics.h"
@@ -52,8 +53,10 @@ void run_camera_test()
         }
         else
         {
-            set_camera_x(0);
-            set_camera_y(0);
+            reset_camera();
+
+            assert(camera_x() == 0);
+            assert(camera_y() == 0);
         }
 
         clear_screen(COLOR_WHITE);
@@ -69,5 +72,10 @@ void run_camera_test()
         refresh_screen();
     }
 
+    reset_camera();
+
+    assert(camera_x() == 0);
+    assert(camera_y() == 0);
+
     close_window(w1);
 }