From 31c994c223c0a9a63d503d43877254268f52811c Mon Sep 17 00:00:00 2001
From: Aki <nthirtyone@gmail.com>
Date: Thu, 14 Sep 2017 16:23:07 +0200
Subject: Added Timer and Trigger classes

---
 not/Timer.lua   | 30 ++++++++++++++++++++++++++++++
 not/Trigger.lua | 18 ++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 not/Timer.lua
 create mode 100644 not/Trigger.lua

diff --git a/not/Timer.lua b/not/Timer.lua
new file mode 100644
index 0000000..3e45b11
--- /dev/null
+++ b/not/Timer.lua
@@ -0,0 +1,30 @@
+Timer = require "not.Object":extends()
+
+function Timer:new (trigger, delay)
+	self.trigger = trigger
+	self.delay = delay
+	self.left = 0
+	self.active = false
+	self.restart = false
+end
+
+function Timer:start ()
+	self.left = self.delay
+	self.active = true
+end
+
+function Timer:update (dt)
+	if self.active then
+		if self.left < 0 then
+			self.trigger:emit()
+			self.active = false
+			if self.restart then
+				self:start()
+			end
+		else
+			self.left = self.left - dt
+		end
+	end
+end
+
+return Timer
diff --git a/not/Trigger.lua b/not/Trigger.lua
new file mode 100644
index 0000000..c6ef7c7
--- /dev/null
+++ b/not/Trigger.lua
@@ -0,0 +1,18 @@
+Trigger = require "not.Object":extends()
+
+function Trigger:new ()
+	self.calls = {}
+end
+
+function Trigger:register (func, ...)
+	local call = {func = func, params = {...}}
+	table.insert(self.calls, call)
+end
+
+function Trigger:emit ()
+	for _,call in pairs(self.calls) do
+		call.func(unpack(call.params))
+	end
+end
+
+return Trigger
-- 
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