106 lines
3.1 KiB
Lua
106 lines
3.1 KiB
Lua
local ease = require "lib.utils.easing"
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local AnimationNode = require "lib.animation_node"
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--- @class Audio
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--- @field musicVolume number
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--- @field soundVolume number
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audio = {}
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audio.__index = audio
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--- здесь мы должны выгружать значения из файлика с сохранением настроек
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local function new(musicVolume, soundVolume)
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return setmetatable({
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musicVolume = musicVolume,
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soundVolume = soundVolume
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}, audio)
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end
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--- if from is nil, than we have fade in to;
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--- if to is nil, than we have fade out from
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---
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--- also we should guarantee, that from and to have the same volume
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--- @param from love.Source
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--- @param to love.Source
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--- @param ms? number in milliseconds
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function audio:crossfade(from, to, ms)
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to:setVolume(0)
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to:play()
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local fromVol = from:getVolume() or self.musicVolume
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local toVol = to:getVolume() or self.musicVolume
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local dt = love.timer.getDelta() * (ms or 1000)
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while fromVol > 0 and toVol < self.musicVolume do
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print(fromVol, toVol)
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fromVol = self.musicVolume - fromVol + dt / self.musicVolume
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from:setVolume(ease.easeOutQuad(fromVol))
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toVol = toVol + dt / self.musicVolume
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to:setVolume(ease.easeInQuad(toVol))
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print(fromVol, toVol)
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end
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end
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--- if from is nil, than we have fade in to;
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--- if to is nil, than we have fade out from
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---
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--- also we should guarantee, that from and to have the same volume
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--- @param from love.Source
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--- @param to love.Source
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--- @param ms? number in milliseconds
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function audio:crossfadeAnim(from, to, ms)
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to:setVolume(0)
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to:play()
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print(from:getVolume(), to:getVolume())
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local t = 0
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local anim = AnimationNode {
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function(node)
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from:setVolume(self.musicVolume - node:getValue() * self.musicVolume)
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to:setVolume(node:getValue() * self.musicVolume)
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t = node.t
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print(node.finished, node.duration, node.t)
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end,
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onEnd = function()
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from:setVolume(0)
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to:setVolume(self.musicVolume)
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end,
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duration = ms or 1000,
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easing = ease.linear,
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-- children = {
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-- AnimationNode {
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-- function(node)
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-- from:setVolume(self.musicVolume - node:getValue() * self.musicVolume)
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-- end
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-- },
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-- AnimationNode {
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-- function(node)
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-- to:setVolume(node:getValue() * self.musicVolume)
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-- print(node.count)
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-- end
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-- }
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-- }
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}
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anim:run()
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anim:finish()
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print(from:getVolume(), to:getVolume(), t, t, t)
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end
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--- @param source love.Source
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function audio:play(source)
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if source:getType() == "stream" then
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source:setVolume(self.musicVolume)
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return source:play()
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end
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source:setVolume(self.soundVolume)
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return source:play()
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end
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function audio:setMusicVolume(volume)
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self.musicVolume = volume
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end
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function audio:setSoundVolume(volume)
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self.soundVolume = volume
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end
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return { new = new }
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