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-rw-r--r--not/Timer.lua30
-rw-r--r--not/Trigger.lua18
2 files changed, 48 insertions, 0 deletions
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