50 lines
		
	
	
		
			982 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			982 B
		
	
	
	
		
			C++
		
	
	
	
| #include "..\easy2d.h"
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| #include "..\Win\winbase.h"
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| 
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| ActionMoveBy::ActionMoveBy(float duration, CVector vec) :
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| 	Animation(duration)
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| {
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| 	m_MoveVector = vec;
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| }
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| 
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| ActionMoveBy::~ActionMoveBy()
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| {
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| }
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| 
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| void ActionMoveBy::_init()
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| {
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| 	Animation::_init();
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| 	m_BeginPos = m_pTargetSprite->getPos();
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| }
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| 
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| void ActionMoveBy::_exec(steady_clock::time_point nNow)
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| {
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| 	if (Animation::_isDelayEnough(nNow))
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| 	{
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| 		// 计算移动位置
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| 		float scale = float(m_nDuration) / m_nTotalDuration;
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| 		// 移动 Sprite
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| 		m_pTargetSprite->setPos(int(m_BeginPos.x + m_MoveVector.x * scale), 
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| 			int(m_BeginPos.y + m_MoveVector.y * scale));
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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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| 		}
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| 	}
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| }
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| 
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| void ActionMoveBy::_reset()
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| {
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| 	Animation::_reset();
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| }
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| 
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| ActionMoveBy * ActionMoveBy::copy() const
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| {
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| 	return new ActionMoveBy(m_nAnimationInterval / 1000.0f, m_MoveVector);
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| }
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| 
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| ActionMoveBy * ActionMoveBy::reverse() const
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| {
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| 	return new ActionMoveBy(m_nTotalDuration / 1000.0f, CVector(-m_MoveVector.x, -m_MoveVector.y));
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| } |