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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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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ActionMoveBy::~ActionMoveBy()
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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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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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void ActionMoveBy::_reset()
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{
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Animation::_reset();
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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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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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} |