Almost working from 1st try

point.lua

@@ -0,0 +1,42 @@
+-- Represents 2D point
+---@class Point
+Point = { x = 1, y = 1 }
+
+-- Point factory
+---@param x number | nil
+---@param y number | nil
+---@return any
+function Point:new( x, y )
+    local point = {
+        x = x or x,
+        y = y or y
+    }
+
+    setmetatable( point, { __index = self } )
+
+    return point
+end
+
+-- Comparing function
+---@param point self
+---@return boolean
+function Point:equals( point )
+    return self.x == point.x and self.y == point.y
+end
+
+-- Get self coordinates
+---@return number, number
+function Point:coords()
+    return self.x, self.y
+end
+
+-- Return vector length between points
+---@param point Point
+---@return number
+function Point:distanceTo( point )
+    return math.sqrt(
+        ( self.x - point.x ) ^ 2 +
+        ( self.y - point.y ) ^ 2
+    )
+end
+