66 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| #include "..\eactions.h"
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| 
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| 
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| e2d::EActionScaleBy::EActionScaleBy(float duration, float scale)
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| 	: EActionGradual(duration)
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| {
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| 	m_nVariationX = scale;
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| 	m_nVariationY = scale;
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| }
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| 
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| e2d::EActionScaleBy::EActionScaleBy(float duration, float scaleX, float scaleY)
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| 	: EActionGradual(duration)
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| {
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| 	m_nVariationX = scaleX;
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| 	m_nVariationY = scaleY;
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| }
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| 
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| void e2d::EActionScaleBy::_init()
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| {
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| 	EActionGradual::_init();
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| 	if (m_pTarget)
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| 	{
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| 		m_nBeginScaleX = m_pTarget->getScaleX();
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| 		m_nBeginScaleY = m_pTarget->getScaleY();
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| 	}
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| }
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| 
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| void e2d::EActionScaleBy::_update()
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| {
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| 	EAction::_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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| 	while (EActionGradual::_isDelayEnough())
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| 	{
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| 		// 缩放节点
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| 		m_pTarget->setScale(
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| 			m_nBeginScaleX + m_nVariationX * m_fRateOfProgress, 
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| 			m_nBeginScaleX + m_nVariationX * m_fRateOfProgress);
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| 		// 判断动作是否结束
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| 		if (_isEnd())
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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::EActionScaleBy::_reset()
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| {
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| 	EActionGradual::_reset();
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| }
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| 
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| e2d::EActionScaleBy * e2d::EActionScaleBy::clone() const
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| {
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| 	return new EActionScaleBy(m_fTotalDuration / 1000, m_nVariationX, m_nVariationY);
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| }
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| 
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| e2d::EActionScaleBy * e2d::EActionScaleBy::reverse() const
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| {
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| 	return new EActionScaleBy(m_fTotalDuration / 1000, -m_nVariationX, -m_nVariationY);
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| } |