add Point.copy

2022-03-11 14:10:18 -05:00
parent 644b1a4828
commit 362c7ea52d
1 changed files with 4 additions and 0 deletions
--- a/code/point.lua
+++ b/code/point.lua
@@ -31,3 +31,7 @@ end
 function Point:__tostring()
    return "("..self.x..","..self.y..")"
 end
+
+function Point:copy()
+    return Point:new(self.x, self.y)
+end