94 lines
1.6 KiB
C++
94 lines
1.6 KiB
C++
#include "..\eactions.h"
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#include "..\Win\winbase.h"
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#include <typeinfo>
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e2d::EAnimation::EAnimation() :
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m_nFrameIndex(0)
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{
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// 帧动画默认 0.1s 刷新一次
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setInterval(100);
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}
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e2d::EAnimation::EAnimation(LONGLONG frameDelay) :
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m_nFrameIndex(0)
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{
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setInterval(frameDelay);
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}
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e2d::EAnimation::~EAnimation()
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{
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for (auto frame : m_vFrames)
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{
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SafeRelease(&frame);
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}
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}
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void e2d::EAnimation::_init()
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{
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// 判断执行帧动画的目标类型是否是 ESprite
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ASSERT(
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typeid(ESprite) == typeid(*m_pTarget),
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"Only ESprite can use EAnimation!"
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);
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EAction::_init();
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// 记录当前时间
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m_tLast = GetNow();
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}
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void e2d::EAnimation::_callOn()
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{
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if (m_pTarget == nullptr)
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{
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this->stop();
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return;
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}
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// 判断时间间隔是否足够
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while (GetInterval(m_tLast) > m_nAnimationInterval)
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{
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// 重新记录时间
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m_tLast += milliseconds(m_nAnimationInterval);
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reinterpret_cast<ESprite*>(m_pTarget)->loadFromSpriteFrame(m_vFrames[m_nFrameIndex]);
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m_nFrameIndex++;
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// 判断动作是否结束
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if (m_nFrameIndex == m_vFrames.size())
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{
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this->stop();
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break;
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}
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}
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}
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void e2d::EAnimation::_reset()
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{
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EAction::_reset();
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m_nFrameIndex = 0;
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// 记录当前时间
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m_tLast = steady_clock::now();
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}
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void e2d::EAnimation::addFrame(ESpriteFrame * frame)
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{
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if (frame)
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{
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m_vFrames.push_back(frame);
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frame->retain();
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}
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}
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e2d::EAnimation * e2d::EAnimation::clone() const
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{
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auto a = new EAnimation(this->m_nAnimationInterval);
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for (auto f : m_vFrames)
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{
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a->addFrame(f);
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}
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return a;
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}
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e2d::EAnimation * e2d::EAnimation::reverse() const
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{
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auto a = this->clone();
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a->m_vFrames.reserve(m_vFrames.size());
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return a;
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}
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