90 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
| #include "..\eactions.h"
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| 
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| e2d::Animation::Animation() 
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| 	: m_nFrameIndex(0)
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| {
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| }
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| 
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| e2d::Animation::Animation(float invertal)
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| 	: m_nFrameIndex(0)
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| 	, m_fInterval(invertal)
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| {
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| }
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| 
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| e2d::Animation::~Animation()
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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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| 
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| void e2d::Animation::setInterval(float interval)
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| {
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| 	m_fInterval = max(interval, 0);
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| }
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| 
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| void e2d::Animation::_init()
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| {
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| 	Action::_init();
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| }
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| 
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| void e2d::Animation::_update()
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| {
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| 	Action::_update();
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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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| 
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| 	// 判断时间间隔是否足够
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| 	while ((Time::getTotalTime() - m_fLast) >= m_fInterval)
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| 	{
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| 		// 重新记录时间
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| 		m_fLast += m_fInterval;
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| 		// 加载关键帧
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| 		static_cast<Sprite*>(m_pTarget)->loadFrom(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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| 
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| void e2d::Animation::reset()
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| {
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| 	Action::reset();
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| 	m_nFrameIndex = 0;
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| }
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| 
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| void e2d::Animation::addKeyframe(Image * 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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| 
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| e2d::Animation * e2d::Animation::clone() const
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| {
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| 	auto a = new Animation(m_fInterval);
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| 	for (auto frame : m_vFrames)
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| 	{
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| 		a->addKeyframe(frame);
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| 	}
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| 	return a;
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| }
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| 
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| e2d::Animation * e2d::Animation::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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