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// Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "movingaverage_p.h"
QT_BEGIN_NAMESPACE
namespace Qt3DInput {
namespace Input {
MovingAverage::MovingAverage(unsigned int samples)
: m_maxSampleCount(samples)
, m_sampleCount(0)
, m_currentSample(0)
, m_total(0.0f)
, m_samples(samples)
{
}
void MovingAverage::addSample(float sample)
{
if (m_sampleCount == m_maxSampleCount)
m_total -= m_samples[m_currentSample];
else
++m_sampleCount;
m_samples[m_currentSample] = sample;
m_total += sample;
++m_currentSample;
if (m_currentSample >= m_maxSampleCount)
m_currentSample = 0;
}
float MovingAverage::average() const
{
return m_sampleCount ? m_total / static_cast<float>(m_sampleCount) : 0.0f;
}
} // Input
} // Qt3DInput
QT_END_NAMESPACE