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39
40#include "movingaverage_p.h"
41
42QT_BEGIN_NAMESPACE
43
44namespace Qt3DInput {
45namespace Input {
46
47MovingAverage::MovingAverage(unsigned int samples)
48 : m_maxSampleCount(samples)
49 , m_sampleCount(0)
50 , m_currentSample(0)
51 , m_total(0.0f)
52 , m_samples(samples)
53{
54}
55
56void MovingAverage::addSample(float sample)
57{
58 if (m_sampleCount == m_maxSampleCount)
59 m_total -= m_samples.at(m_currentSample);
60 else
61 ++m_sampleCount;
62
63 m_samples[m_currentSample] = sample;
64 m_total += sample;
65 ++m_currentSample;
66 if (m_currentSample >= m_maxSampleCount)
67 m_currentSample = 0;
68}
69
70float MovingAverage::average() const
71{
72 return m_sampleCount ? m_total / static_cast<float>(m_sampleCount) : 0.0f;
73}
74
75} // Input
76} // Qt3DInput
77
78QT_END_NAMESPACE
79