before anim rewrite

include/dangerzone/render/anim.h

@@ -1,13 +1,17 @@
 #pragma once
 
+#include <dangerzone/engine.h>
 #include <stdint.h>
 
 /**
  * animate a rectangle's position changing over time
  * => x0 -> x1, y0 -> y1, all else stays the same
+ *
+ * ONLY DOES ONE FRAME OF THE ANIMATION
  */
 void
 anim_rect_pos(
+    framebuffer_e framebuffer,
     uint32_t x0,
     uint32_t y0,
     uint32_t x1,