diff --git a/draw2d.cm b/draw2d.cm
index f92fdc0c..bf1915a3 100644
--- a/draw2d.cm
+++ b/draw2d.cm
@@ -1,6 +1,6 @@
 var math = use('math')
 var color = use('color')
-var gamestate = use('gamestate')
+var prosperon = use('prosperon')
 
 var draw = {}
 
@@ -217,9 +217,9 @@ draw.grid = function grid(rect, spacing, thickness = 1, offset = {x: 0, y: 0}, m
 draw.scissor = function(rect)
 {
   var screen_rect = null
-  if (rect && gamestate.camera) {
-    var bottom_left = gamestate.camera.world_to_window(rect.x, rect.y)
-    var top_right = gamestate.camera.world_to_window(rect.x + rect.width, rect.y + rect.height)
+  if (rect && prosperon.camera) {
+    var bottom_left = prosperon.camera.world_to_window(rect.x, rect.y)
+    var top_right = prosperon.camera.world_to_window(rect.x + rect.width, rect.y + rect.height)
     var screen_left = bottom_left.x
     var screen_top = bottom_left.y
     var screen_right = top_right.x
@@ -233,7 +233,7 @@ draw.scissor = function(rect)
     }
 
     // TODO: must be a better way than manually inverting here. Some camera specific function.
-    var sensor = gamestate.camera.sensor()
+    var sensor = prosperon.camera.sensor()
     screen_rect.y = sensor.height - screen_rect.y - screen_rect.height
   }
 
diff --git a/point.cm b/point.cm
new file mode 100644
index 00000000..4bbb7658
--- /dev/null
+++ b/point.cm
@@ -0,0 +1,8 @@
+var point = {}
+
+point.add = function(a,b)
+{
+  return {x: a.x+b.x, y: a.y+b.y}
+}
+
+return point
\ No newline at end of file