Fix ordering of rays

diff --git a/tabakrolletjie/rays.py b/tabakrolletjie/rays.py
index 7d880d0aaa5ea417e38cb08fcfe167c5732c42f2..ac51802d2d91315aa2eb5ef07be175b62e1ef89c 100644 (file)
--- a/tabakrolletjie/rays.py
+++ b/tabakrolletjie/rays.py
@@ -18,13 +18,13 @@ def screen_rays(pos, bounding_radius):
     """
     r = int(bounding_radius)
     left, right = int(pos.x) - r, int(pos.x) + r
-    bottom, top = int(pos.y) + r, int(pos.y) - r
+    bottom, top = int(pos.y) - r, int(pos.y) + r
     step = 1
-    for y in range(top, bottom + 1, step):
+    for y in range(bottom, top + 1, step):
         yield pymunk.Vec2d(left, y)
     for x in range(left, right + 1, step):
         yield pymunk.Vec2d(x, top)
-    for y in range(bottom, top - 1, -step):
+    for y in range(top, bottom - 1, -step):
         yield pymunk.Vec2d(right, y)
     for x in range(right, left - 1, -step):
         yield pymunk.Vec2d(x, bottom)