#include "..\eactions.h"
#include "..\Win\winbase.h"

e2d::EActionGradual::EActionGradual(float duration)
	: m_fRateOfProgress(0)
	, m_fDuration(0)
	, m_fTotalDuration(duration * 1000)
{
}

bool e2d::EActionGradual::_isEnd() const
{
	return m_fDuration >= m_fTotalDuration;
}

void e2d::EActionGradual::_init()
{
	EAction::_init();
}

bool e2d::EActionGradual::_isDelayEnough()
{
	// 判断时间间隔是否足够
	if (GetInterval(m_tLast) > m_nAnimationInterval)
	{
		// 重新记录时间
		m_tLast += milliseconds(m_nAnimationInterval);
		m_fDuration += static_cast<float>(m_nAnimationInterval);
		// 计算动画进度
		m_fRateOfProgress = m_fDuration / m_fTotalDuration;
		return true;
	}
	return false;
}

void e2d::EActionGradual::_reset()
{
	EAction::_reset();
	m_fDuration = 0;
}