planet.c: Use the quadtree_move function from quadtree lib

[sdl-planets] / camera.h

diff --git a/camera.h b/camera.h
index 3b5451f9cdc3a7d46611688818bcac62bd00304e..c12d89d48ee9e4c48282baa18e921a0025afe942 100644 (file)
--- a/camera.h
+++ b/camera.h
@@ -7,13 +7,16 @@ struct camera {
        struct vector pos;
        struct vector speed;
        double zoom;
+       double zoom_rate;
 };
 
 
 /* Camera speed, when key pressed down, pixels per second */
 #define CAM_SPEED 200
+#define CAM_ZOOM_RATE 1.5
 
 void init_camera(struct camera *cam);
 void move_camera(struct camera *cam, const double time);
+void print_camera(const struct camera *cam);
 
 #endif