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mirror of https://github.com/kepler155c/opus synced 2024-11-15 13:14:49 +00:00
opus/sys/apis/ui/transition.lua
kepler155c@gmail.com 915085ac5f ui overhaul
2019-02-05 23:03:57 -05:00

54 lines
1.3 KiB
Lua

local Tween = require('ui.tween')
local Transition = { }
function Transition.slideLeft(args)
local ticks = args.ticks or 10
local easing = args.easing or 'outQuint'
local pos = { x = args.ex }
local tween = Tween.new(ticks, pos, { x = args.x }, easing)
args.canvas:move(pos.x, args.canvas.y)
return function()
local finished = tween:update(1)
args.canvas:move(math.floor(pos.x), args.canvas.y)
args.canvas:dirty()
return not finished
end
end
function Transition.slideRight(args)
local ticks = args.ticks or 10
local easing = args.easing or'outQuint'
local pos = { x = -args.canvas.width }
local tween = Tween.new(ticks, pos, { x = 1 }, easing)
args.canvas:move(pos.x, args.canvas.y)
return function()
local finished = tween:update(1)
args.canvas:move(math.floor(pos.x), args.canvas.y)
args.canvas:dirty()
return not finished
end
end
function Transition.expandUp(args)
local ticks = args.ticks or 3
local easing = args.easing or 'linear'
local pos = { y = args.ey + 1 }
local tween = Tween.new(ticks, pos, { y = args.y }, easing)
args.canvas:move(args.x, pos.y)
return function()
local finished = tween:update(1)
args.canvas:move(args.x, math.floor(pos.y))
args.canvas:dirty()
return not finished
end
end
return Transition