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Implement issue #4: Ability to cancel specific timers

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This commit is contained in:
Matthias Richter 2012-03-31 14:31:43 +02:00
parent 9d76e4d020
commit 7c257c891d
1 changed files with 5 additions and 4 deletions
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9
timer.lua
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@ -41,12 +41,15 @@ local function update(dt)
end
local function add(delay, func)
assert(type(func) == "function", "second argument needs to be a function")
assert(not functions[func], ("Function already scheduled to run in %.2fs"):format(functions[func]))
functions[func] = delay
end
local function cancel(func)
functions[func] = nil
end
local function addPeriodic(delay, func, count)
assert(type(func) == "function", "second argument needs to be a function")
local count = count or math.huge -- exploit below: math.huge - 1 = math.huge
add(delay, function(f)
@ -63,7 +66,6 @@ local function clear()
end
local function Interpolator(length, func)
assert(type(func) == "function", "second argument needs to be a function")
local t = 0
return function(dt, ...)
t = t + dt
@ -72,7 +74,6 @@ local function Interpolator(length, func)
end
local function Oscillator(length, func)
assert(type(func) == "function", "second argument needs to be a function")
local t = 0
return function(dt, ...)
t = (t + dt) % length