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| 39 | |
| 40 | #include "movingaverage_p.h" |
| 41 | |
| 42 | QT_BEGIN_NAMESPACE |
| 43 | |
| 44 | namespace Qt3DInput { |
| 45 | namespace Input { |
| 46 | |
| 47 | MovingAverage::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 | |
| 56 | void MovingAverage::addSample(float sample) |
| 57 | { |
| 58 | if (m_sampleCount == m_maxSampleCount) |
| 59 | m_total -= m_samples.at(i: 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 | |
| 70 | float MovingAverage::average() const |
| 71 | { |
| 72 | return m_sampleCount ? m_total / static_cast<float>(m_sampleCount) : 0.0f; |
| 73 | } |
| 74 | |
| 75 | } // Input |
| 76 | } // Qt3DInput |
| 77 | |
| 78 | QT_END_NAMESPACE |
| 79 |