Magic_Game/Easy2D/Action/ActionMoveBy.cpp

53 lines
980 B
C++

#include "..\eactions.h"
e2d::ActionMoveBy::ActionMoveBy(float duration, EVec vector) :
Animation(duration)
{
m_MoveVector = vector;
}
e2d::ActionMoveBy::~ActionMoveBy()
{
}
void e2d::ActionMoveBy::_init()
{
Animation::_init();
m_BeginPos = m_pTarget->getPos();
}
void e2d::ActionMoveBy::_exec()
{
while (Animation::_isDelayEnough())
{
// 计算移动位置
float scale = static_cast<float>(m_nDuration) / m_nTotalDuration;
// 移动 Sprite
m_pTarget->setPos(
m_BeginPos.x + m_MoveVector.x * scale,
m_BeginPos.y + m_MoveVector.y * scale
);
// 判断动作是否结束
if (_isEnd())
{
this->stop();
break;
}
}
}
void e2d::ActionMoveBy::_reset()
{
Animation::_reset();
}
e2d::ActionMoveBy * e2d::ActionMoveBy::copy() const
{
return new ActionMoveBy(m_nAnimationInterval / 1000.0f, m_MoveVector);
}
e2d::ActionMoveBy * e2d::ActionMoveBy::reverse() const
{
return new ActionMoveBy(m_nTotalDuration / 1000.0f, EVec(-m_MoveVector.x, -m_MoveVector.y));
}