Drunken walk working but needs some updates as it can go 'off map' and then walk back in, effectively

scripts/algorithms/drunk_walk.lua

@@ -0,0 +1,34 @@
+require "math"
+DrunkenWalk = {
+    curr_x = 0,
+    curr_y = 0,
+    map_w = 0,
+    map_h = 0,
+    iterations = 30
+}
+
+function DrunkenWalk:initialize(w, h)
+    math.randomseed(os.time())
+    self.map_w = w
+    self.map_h = h
+    visualizer.map:fill(true)
+    self.curr_x = math.random(0, w-1)
+    self.curr_y = math.random(0, h-1);
+end
+
+function DrunkenWalk:update()
+    self.curr_x = self.curr_x + math.random(-1, 1)
+    self.curr_y = self.curr_y + math.random(-1, 1)
+    while self.curr_x >= self.map_w or self.curr_x < 0 or self.curr_y >= self.map_h or self.curr_y < 0 do
+        self.curr_x = self.curr_x + math.random(-1, 1)
+        self.curr_y = self.curr_y + math.random(-1, 1)
+    end
+    visualizer.map:draw_floor(self.curr_x, self.curr_y)
+    self.iterations = self.iterations - 1
+    if self.iterations == 0 then
+        return true
+    end
+    return false
+end
+
+visualizer.algorithm_manager:register_algorithm("Drunken Walk", function (w, h) DrunkenWalk:initialize(w, h) end, function () return DrunkenWalk:update() end, 5)