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你好,我现在有新的需求。我现在抽奖界面是7x8的方格,现在是想让抽奖的动画是从上次中奖的位置开始,然后根据移动的步数计算新的中奖位置 ` Animation _initSelectIndexTween( {int begin = 0, int end = 0, Curve curve = Curves.linear}) => StepTween(begin: StorageManager.getDiceTarget(), end: end).animate( CurvedAnimation(parent: _startAnimateController, curve: curve));
_startActualAnimation() { // _selectedIndexTween = _initSelectIndexTween( // end: widget.controller.value.repeatRound * _totalIndex + // widget.controller.value.target, // curve: Curves.easeOutCubic); int end = widget.controller.value.target % _totalIndex; print('真的抽奖动画目标=='+ end.toString()); _selectedIndexTween = _initSelectIndexTween(end: end,curve: Curves.easeOutCubic); _startAnimateController ..reset() ..duration = widget.controller.value.duration ..forward(); }` 其中_totalIndex = 26;repeatRound = 0; StepTween(begin: StorageManager.getDiceTarget(), end: end),begin 是本地存储上次中奖的位置。end 是计算的新的中奖位置。从0 到25的动画是正常顺时针转的,但是从25到1的动画却是逆时针转的。就是在转满一圈的时候不知道要怎么处理。 https://github.com/cw0925/Flutter-Grid-Lottery.git,可以看下这个
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你好,我现在有新的需求。我现在抽奖界面是7x8的方格,现在是想让抽奖的动画是从上次中奖的位置开始,然后根据移动的步数计算新的中奖位置
` Animation _initSelectIndexTween(
{int begin = 0, int end = 0, Curve curve = Curves.linear}) =>
StepTween(begin: StorageManager.getDiceTarget(), end: end).animate(
CurvedAnimation(parent: _startAnimateController, curve: curve));
_startActualAnimation() {
// _selectedIndexTween = _initSelectIndexTween(
// end: widget.controller.value.repeatRound * _totalIndex +
// widget.controller.value.target,
// curve: Curves.easeOutCubic);
int end = widget.controller.value.target % _totalIndex;
print('真的抽奖动画目标=='+ end.toString());
_selectedIndexTween = _initSelectIndexTween(end: end,curve: Curves.easeOutCubic);
_startAnimateController
..reset()
..duration = widget.controller.value.duration
..forward();
}`
其中_totalIndex = 26;repeatRound = 0;
StepTween(begin: StorageManager.getDiceTarget(), end: end),begin 是本地存储上次中奖的位置。end 是计算的新的中奖位置。从0 到25的动画是正常顺时针转的,但是从25到1的动画却是逆时针转的。就是在转满一圈的时候不知道要怎么处理。
https://github.com/cw0925/Flutter-Grid-Lottery.git,可以看下这个
The text was updated successfully, but these errors were encountered: