Start multiple animations at the same time

Questions
1

Is it possible to start multiple animations at the same time?

    gui.animate(play_button_node, gui.PROP_SCALE, vmath.vector3(0.7,0.7,1), gui.EASING_OUTBOUNCE, 0.5, 0.5, nil, gui.PLAYBACK_ONCE_FORWARD)
    gui.animate(play_button_node, gui.PROP_SCALE, vmath.vector3(0.5,0.5,1), gui.EASING_LINEAR, 1, 1.5, nil, gui.PLAYBACK_ONCE_FORWARD)

I want to start scale up / scale down animation without complete function. Means start scale up animation and start scale down animation with delaying 1.5s (when first animation is completed).

2

No, that won’t work. You need to chain them with complete functions or use a coroutine to chain them:

local function gui_animate(node, property, to, easing, duration, delay, playback)
	local co = coroutine.running()
	assert(co, "You must call this function from within a coroutine")
	gui.animate(node, property, to, easing, duration, delay, function()
		coroutine.resume(co)
	end,playback)
	coroutine.yield()
end

coroutine.wrap(function()
	gui_animate(play_button_node, gui.PROP_SCALE, vmath.vector3(0.7,0.7,1), gui.EASING_OUTBOUNCE, 0.5, 0.5, gui.PLAYBACK_ONCE_FORWARD)
	gui_animate(play_button_node, gui.PROP_SCALE, vmath.vector3(0.5,0.5,1), gui.EASING_LINEAR, 1, 0.5, gui.PLAYBACK_ONCE_FORWARD)
end)()
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