Revision control
++ // 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