From c57ae8c42c1f2f2ed576719c00cff5cf613fe650 Mon Sep 17 00:00:00 2001
From: Steph Enders <smenders@gmail.com>
Date: Thu, 16 Jun 2022 16:14:18 -0400
Subject: Added onUpdate logic to move the enemies etc

Created some algorithm logic for enemy movement
Allowed for default overrides
---
 include/queue.lua | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 include/queue.lua

(limited to 'include/queue.lua')

diff --git a/include/queue.lua b/include/queue.lua
new file mode 100644
index 0000000..2eb77c6
--- /dev/null
+++ b/include/queue.lua
@@ -0,0 +1,29 @@
+Queue = {}
+
+function Queue:new()
+    o = { first = 1, top = 0, data = {} }
+    self.__index = self
+    return setmetatable(o, self)
+end
+
+function Queue:push(val)
+    local top = self.top + 1
+    self.top = top
+    self.data[top] = val
+end
+
+function Queue:pop()
+    if self:empty() then
+        return nil
+    end
+    local val = self.data[self.first]
+    self.data[self.first] = nil
+    self.first = self.first + 1
+    return val
+end
+
+function Queue:empty()
+    return self.top < self.first
+end
+
+return Queue
-- 
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