84 lines
2.7 KiB
Lua
84 lines
2.7 KiB
Lua
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---@class XUiTaikoMasterFlowText
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local XUiTaikoMasterFlowText = XClass(nil, "XUiTaikoMasterFlowText")
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function XUiTaikoMasterFlowText:Ctor(text, mask)
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self._Text = text
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self._Mask = mask
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self._InitX = false
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self._Sequence = false
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self._StrText = false
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self._StrTextDouble = false
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end
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function XUiTaikoMasterFlowText:IsPlaying()
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return self._Sequence and true or false
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end
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function XUiTaikoMasterFlowText:Play()
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if self._Sequence then
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self:Stop()
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end
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self._Sequence, self._InitX = self:CreateTextSequence(self._Text, self._Mask, self._InitX)
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end
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function XUiTaikoMasterFlowText:Stop()
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if self._Sequence then
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self._Sequence:Kill()
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self._Sequence = false
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if self._InitX then
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-- 复位
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local txtLocalPosition = self._Text.transform.localPosition
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self._Text.transform.localPosition = Vector3(self._InitX, txtLocalPosition.y, txtLocalPosition.z)
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end
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end
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-- 还原text
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if self._Text.text == self._StrTextDouble then
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self._Text.text = self._StrText
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end
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self._StrText = false
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self._StrTextDouble = false
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end
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function XUiTaikoMasterFlowText:DoubleText(txtName)
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local text = txtName.text
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local space = " "
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if not string.find(text, space) then
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self._StrText = text
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self._StrTextDouble = string.format('%s%s%s', text, space, text)
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txtName.text = self._StrTextDouble
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end
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end
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function XUiTaikoMasterFlowText:CreateTextSequence(txtName, mask, initX)
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local txtNameWidth = XUiHelper.CalcTextWidth(txtName)
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local txtMaskWidth = mask.sizeDelta.x
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if txtNameWidth <= txtMaskWidth then
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return
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end
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local txtTransform = txtName.transform
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local txtLocalPosition = txtTransform.localPosition
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initX = initX or txtLocalPosition.x
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-- 两个文本才可以循环滚动
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self:DoubleText(txtName)
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local doubleTxtNameWidth = XUiHelper.CalcTextWidth(txtName)
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local startX = initX
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local endX = initX - (doubleTxtNameWidth - txtNameWidth)
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local distance = math.abs(endX - startX)
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txtName.transform.localPosition = Vector3(startX, txtLocalPosition.y, txtLocalPosition.z)
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local DOTween = CS.DG.Tweening.DOTween
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local sequence = DOTween.Sequence()
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local pauseInterval = XTaikoMasterConfigs.MusicPlayerTextMovePauseInterval
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sequence:AppendInterval(pauseInterval)
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local moveSpeed = XTaikoMasterConfigs.MusicPlayerTextMoveSpeed
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local time = distance / moveSpeed
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sequence:Append(txtTransform:DOLocalMoveX(endX, time))
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sequence:Append(txtTransform:DOLocalMoveX(startX, 0))
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sequence:SetLoops(-1)
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return sequence, initX
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end
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return XUiTaikoMasterFlowText
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