oop example

examples/oop.lua

@@ -0,0 +1,32 @@
+local Vector = class('Vector');
+
+function Vector:init(x, y)
+  self.x = x;
+  self.y = y;
+  return self;
+end
+
+function Vector:copy()
+  return Vector:new(self.x, self.y);
+end
+
+function Vector:add(other)
+  self.x = self.x + other.x;
+  self.y = self.y + other.y;
+end
+
+function Vector:print()
+  print(self.x, self.y);
+end
+
+local a = Vector:new(3, 4);
+local b = Vector:new(5, 6);
+
+a:print();
+b:print();
+
+local c = a:copy();
+c:add(b);
+
+c:print();
+a:print();