diff --git a/utils.lua b/utils.lua
new file mode 100644
index 0000000..96f6cc1
--- /dev/null
+++ b/utils.lua
@@ -0,0 +1,17 @@
+-- Chuchu by Makaron
+-- Some milescenious (not sure about how to write it) functions
+
+local utils = { }
+
+utils.getCenterByXY = function (x, y, w, h)
+  return { x = (x + (w/2)), y = (y + h/2) }
+end
+
+utils.spawnStaticRectangleBySize = function (world, x, y, w, h)
+  local center = utils.getCenterByXY(x, y, w, h)
+  local rect = world:addRectangle(center.x, center.y, w, h)
+  rect:setType('static')
+  return rect
+end
+
+return utils