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-rw-r--r--not/Timer.lua30
1 files changed, 30 insertions, 0 deletions
diff --git a/not/Timer.lua b/not/Timer.lua
new file mode 100644
index 0000000..9ae0de8
--- /dev/null
+++ b/not/Timer.lua
@@ -0,0 +1,30 @@
+Timer = require "not.Trigger":extends()
+
+function Timer:new (delay)
+ Timer.__super.new(self)
+ 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:emit()
+ self.active = false
+ if self.restart then
+ self:start()
+ end
+ else
+ self.left = self.left - dt
+ end
+ end
+end
+
+return Timer