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MOve the movingAverage class to shared next to SimpleMovingAverage

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This commit is contained in:
samcake 2015-10-26 11:23:13 -07:00
parent eae316100a
commit a8872d065b
2 changed files with 30 additions and 25 deletions
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27
libraries/input-plugins/src/input-plugins/SixenseManager.h
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@ -24,6 +24,8 @@
#endif
#include <SimpleMovingAverage.h>
#include <controllers/InputDevice.h>
#include <controllers/StandardControls.h>
@ -95,31 +97,6 @@ private:
float _lastDistance;
bool _useSixenseFilter = true;
template <class T, int MAX_NUM_SAMPLES> class MovingAverage {
public:
using Samples = std::list< T >;
Samples samples;
T average;
void clear() {
samples.clear();
}
bool isAverageValid() const { return !samples.empty(); }
void addSample(T sample) {
samples.push_front(sample);
int numSamples = samples.size();
if (numSamples < MAX_NUM_SAMPLES) {
average = (sample + average * float(numSamples - 1)) / float(numSamples);
} else {
T tail = samples.back();
samples.pop_back();
average = average + (sample - tail) / float(numSamples);
}
}
};
static const int MAX_NUM_AVERAGING_SAMPLES = 50; // At ~100 updates per seconds this means averaging over ~.5s
using Samples = std::pair< MovingAverage< glm::vec3, MAX_NUM_AVERAGING_SAMPLES>, MovingAverage< glm::vec4, MAX_NUM_AVERAGING_SAMPLES> >;

28
libraries/shared/src/SimpleMovingAverage.h
View file

@ -15,6 +15,7 @@
#define hifi_SimpleMovingAverage_h
#include <stdint.h>
#include <list>
class SimpleMovingAverage {
public:
@ -40,4 +41,31 @@ private:
float ONE_MINUS_WEIGHTING;
};
template <class T, int MAX_NUM_SAMPLES> class MovingAverage {
public:
using Samples = std::list< T >;
Samples samples;
T average;
void clear() {
samples.clear();
}
bool isAverageValid() const { return !samples.empty(); }
void addSample(T sample) {
samples.push_front(sample);
int numSamples = samples.size();
if (numSamples < MAX_NUM_SAMPLES) {
average = (sample + average * (float)(numSamples - 1)) / (float)(numSamples);
} else {
T tail = samples.back();
samples.pop_back();
average = average + (sample - tail) / (float)(numSamples);
}
}
};
#endif // hifi_SimpleMovingAverage_h