58 lines
		
	
	
		
			1003 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1003 B
		
	
	
	
		
			C++
		
	
	
	
| #include "..\eactions.h"
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| 
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| 
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| e2d::EActionMoveBy::EActionMoveBy(float duration, EVec vector) :
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| 	EActionGradual(duration)
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| {
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| 	m_MoveVector = vector;
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| }
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| 
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| void e2d::EActionMoveBy::_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_BeginPos = m_pTarget->getPos();
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| 	}
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| }
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| 
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| void e2d::EActionMoveBy::_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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| 		// 移动节点
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| 		m_pTarget->setPos(
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| 			m_BeginPos.x + m_MoveVector.x * m_fRateOfProgress,
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| 			m_BeginPos.y + m_MoveVector.y * m_fRateOfProgress
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| 		);
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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::EActionMoveBy::_reset()
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| {
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| 	EActionGradual::_reset();
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| }
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| 
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| e2d::EActionMoveBy * e2d::EActionMoveBy::clone() const
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| {
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| 	return new EActionMoveBy(m_fTotalDuration / 1000, m_MoveVector);
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| }
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| 
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| e2d::EActionMoveBy * e2d::EActionMoveBy::reverse() const
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| {
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| 	return new EActionMoveBy(m_fTotalDuration / 1000, EVec(-m_MoveVector.x, -m_MoveVector.y));
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| } |