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59 rivejä
2.7 KiB
59 rivejä
2.7 KiB
UICommonAction = UICommonAction or {}
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local cc = cc
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-- local TweenFunc = TweenFunc
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-- 通用UI进度条动画
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-- 参数： img 挂载了image组件的对象，必传
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-- round 当进度条有转满表现的时候，这里代表转满了几次 整数
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-- end_progress 进度条最终的进度 这里为0~1的值
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-- time 动画持续时间，不传代表立即转完
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-- duration_callback 跑进度时的回调，参数会传当前的动画进度百分数
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-- end_callback 结束回调，可不传
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-- tween_func 进度条缓动函数，可不传，默认 TweenFunc.easeOutQuint
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function ImageProgressAction(img, round, end_progress, time, duration_callback, end_callback, tween_func)
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assert(img ~= nil, "Image Transform can not be null!")
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local img_cpn = img:GetComponent(typeof(UnityEngine.UI.Image))
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assert(img_cpn ~= nil, "Image Transform doesn't have Image Component!")
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ClearImageProgressAction(img)
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-- 设置默认缓动函数
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tween_func = tween_func or TweenFunc.easeOutQuint
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-- 当前进度百分数
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local cur_percentage = img_cpn.fillAmount
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-- 动画中【进度的增量】
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local add_percentage = 0
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if round <= 0 then -- 从当前进度过渡到最终进度，没有出现转弯一圈的情况，增量就是简单的最终进度百分数减去当前进度百分数
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add_percentage = end_progress - cur_percentage
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else -- 进度转了一圈以上，需要处理增加的进度，由于要从当前进度百分数开始动画，所以要先减去当前进度百分数
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add_percentage = round - cur_percentage + end_progress
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end
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-- 进度增量不能小于0
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-- add_percentage = add_percentage <= 0 and 0 or add_percentage
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local function action_percentage_func(percent)
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local real_pec = tween_func(percent)
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-- 加上cur_percentage的原因是要从当前进度的位置开始做动画表现
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local _, final_percentage = math.modf(cur_percentage + add_percentage * real_pec);
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img_cpn.fillAmount = final_percentage
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-- 将当前的动画进度百分数传入回调
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if duration_callback then
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duration_callback(real_pec)
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end
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end
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if not time or time <= 0 then
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action_percentage_func(1)
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else
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local action_percentage = cc.CustomUpdate.New(time, action_percentage_func)
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if end_callback then
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action_percentage = cc.Sequence.New(action_percentage, cc.CallFunc.New(end_callback))
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end
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cc.ActionManager:getInstance():addAction(action_percentage, img)
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end
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end
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function ClearImageProgressAction(img)
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assert(img ~= nil, "Image Transform can not be null!")
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cc.ActionManager:getInstance():removeAllActionsFromTarget(img)
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end
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