mirror of https://github.com/kepler155c/opus
54 lines
1.3 KiB
Lua
54 lines
1.3 KiB
Lua
local Tween = require('opus.ui.tween')
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local Transition = { }
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function Transition.slideLeft(args)
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local ticks = args.ticks or 10
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local easing = args.easing or 'outQuint'
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local pos = { x = args.ex }
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local tween = Tween.new(ticks, pos, { x = args.x }, easing)
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args.canvas:move(pos.x, args.canvas.y)
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return function()
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local finished = tween:update(1)
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args.canvas:move(math.floor(pos.x), args.canvas.y)
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args.canvas:dirty()
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return not finished
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end
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end
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function Transition.slideRight(args)
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local ticks = args.ticks or 10
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local easing = args.easing or'outQuint'
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local pos = { x = -args.canvas.width }
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local tween = Tween.new(ticks, pos, { x = 1 }, easing)
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args.canvas:move(pos.x, args.canvas.y)
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return function()
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local finished = tween:update(1)
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args.canvas:move(math.floor(pos.x), args.canvas.y)
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args.canvas:dirty()
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return not finished
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end
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end
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function Transition.expandUp(args)
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local ticks = args.ticks or 3
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local easing = args.easing or 'linear'
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local pos = { y = args.ey + 1 }
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local tween = Tween.new(ticks, pos, { y = args.y }, easing)
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_syslog(args)
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args.canvas:move(args.x, pos.y)
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return function()
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local finished = tween:update(1)
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args.canvas:move(args.x, math.floor(pos.y))
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args.canvas:dirty()
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return not finished
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end
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end
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return Transition
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