32 lines
474 B
C++
32 lines
474 B
C++
#include "..\e2daction.h"
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e2d::ActionGradual::ActionGradual(double duration)
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: _delta(0)
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{
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_duration = max(duration, 0);
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}
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void e2d::ActionGradual::_init()
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{
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Action::_init();
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}
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void e2d::ActionGradual::_update()
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{
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Action::_update();
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// 判断时间间隔是否足够
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if (_duration == 0)
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{
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_delta = 1;
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this->stop();
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return;
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}
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// 计算动作进度
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_delta = min((Time::getTotalTime() - _last) / _duration, 1);
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// 判断动作是否结束
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if (_delta >= 1)
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{
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this->stop();
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}
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}
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