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local FrameTimer = {}
FrameTimer.__index = FrameTimer
function FrameTimer:new(frameRate, totalFrames)
local obj = {
frameRate = frameRate or 10,
elapsedTime = 0,
currentFrame = 1,
totalFrames = totalFrames or 1
}
setmetatable(obj, FrameTimer)
self.frameTime = 1 / obj.frameRate
return obj
end
function FrameTimer:update(dt)
self.elapsedTime = self.elapsedTime + dt
if self.elapsedTime >= self.frameTime then
self.elapsedTime = self.elapsedTime - self.frameTime
self.currentFrame = self.currentFrame + 1
if self.currentFrame > self.totalFrames then
self.currentFrame = 1 -- repeat
end
end
end
return FrameTimer
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