added more utility functions

2021-05-13 20:22:47 +02:00
parent 688a0b9f18
commit 7ddb16e430
1 changed files with 4 additions and 0 deletions
--- a/utils.lua
+++ b/utils.lua
@@ -7,6 +7,10 @@ utils.getCenterByXY = function (x, y, w, h)
  return { x = (x + (w/2)), y = (y + h/2) }
 end

+utils.getXYByCenter = 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)