WRT/animate.lua at master · coditva/WRT · GitHub

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-- animate.lua : helpers for animating

localanimate= {}

animate.timer='animateTimer'
globals.timer.track(animate.timer)
globals.timer.start(animate.timer)

localfunctionparseOptions(options)
ifnotoptionsthen
options= {}
end

options.speed=options.speedor1
options.timer=options.timeroranimate.timer
options.factor=options.factoror10
options.frames=options.framesor2

ifoptions.loop==nilthen
options.loop=true
end

returnoptions
end

localfunctiongetFrame(animatable)
-- if we're not animating anymore, just return the last frame
ifanimatable.animatingthen
localframe=
 (math.floor(animatable.options.speed
*globals.timer.getTime(animatable.options.timer))
%animatable.options.frames ) +1

-- if at the last frame of the loop set not animating anymore if
-- looping is disabled
ifanimatable.options.loop==false
andframe==animatable.options.framesthen
animatable.animating=false
end
returnframe
else
returnanimatable.options.frames
end
end

functionanimate:new(options)
localobj= {
animating=true,
options=parseOptions(options),
 }

self.__index=self
returnsetmetatable(obj, self)
end

functionanimate.reset()
globals.timer.reset(animate.timer)
end

functionanimate:jump(drawable, x, y)
localframe=getFrame(self)

ifframe==1then
love.graphics.draw(drawable, x, y-self.options.factor)
elseifframe==2then
love.graphics.draw(drawable, x, y)
end
end

functionanimate:blinkText(text)
localframe=getFrame(self)

ifframe==1then
return''
elseifframe==2then
returntext
end
end

functionanimate:teletype(text)
self.options.frames=string.len(text) +1
localframe=getFrame(self)
returnstring.sub(text, 1, frame-1)
end

functionanimate:replay()
self.animating=true
end

returnanimate