feature/simple_ui #18
@ -1,3 +1,5 @@
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local easing = require "lib.utils.easing"
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--- @alias voidCallback fun(): nil
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--- @alias animationRunner fun(node: AnimationNode)
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@ -28,6 +30,9 @@
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--- @field children AnimationNode[]
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--- @field finish voidCallback
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--- @field onEnd voidCallback?
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--- @field duration number продолжительность в миллисекундах
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--- @field easing ease функция смягчения
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--- @field t number прогресс анимации
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local animation = {}
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animation.__index = animation
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@ -50,7 +55,21 @@ function animation:chain(children)
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return self
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end
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--- @param data {[1]: animationRunner?, onEnd?: voidCallback, children?: AnimationNode[]}
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--- Возвращает текущий прогресс анимации с учетом смягчения
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function animation:getValue()
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return self.easing(self.t)
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end
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function animation:update(dt)
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if self.t < 1 then
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self.t = self.t + dt * 1000 / self.duration -- в знаменателе продолжительность анимации в секундах
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else
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self.t = 1
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self:finish()
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end
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end
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--- @param data {[1]: animationRunner?, onEnd?: voidCallback, duration: number?, easing: ease?, children?: AnimationNode[]}
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--- @return AnimationNode
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local function new(data)
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local t = setmetatable({}, animation)
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@ -61,6 +80,9 @@ local function new(data)
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t.count = 1 -- своя анимация
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t.children = {}
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t:chain(data.children or {})
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t.duration = data.duration or 1000
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t.easing = data.easing or easing.linear
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t.t = 0
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t.finish = function()
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t:bubbleUp()
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for _, anim in ipairs(t.children) do
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