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author | Donovan Baarda <abo@minkirri.apana.org.au> | 2014-10-15 14:07:20 +1100 |
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committer | Donovan Baarda <abo@minkirri.apana.org.au> | 2014-10-15 14:07:20 +1100 |
commit | dbd04e283082ab869a22abf03c4c6280b03935bb (patch) | |
tree | 3951c6f91f76047e655f35e04db4eecd576c49df /facetracknoir/lerp.hpp | |
parent | d880464fbe9180aefde94594330126e115066dc3 (diff) | |
parent | 051a2e4392bc75b246cc5cb897ae0bbb1f92042e (diff) |
Merge branch 'unstable' of https://github.com/opentrack/opentrack into dev/kalman
Conflicts:
ftnoir_filter_kalman/ftnoir_filter_kalman.h
Diffstat (limited to 'facetracknoir/lerp.hpp')
-rw-r--r-- | facetracknoir/lerp.hpp | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/facetracknoir/lerp.hpp b/facetracknoir/lerp.hpp deleted file mode 100644 index 0123832a..00000000 --- a/facetracknoir/lerp.hpp +++ /dev/null @@ -1,60 +0,0 @@ -#pragma once - -#include "facetracknoir/timer.hpp" -#include <algorithm> -#include <cmath> - -class lerp { -private: - static const constexpr double eps = 1e-2; - double last[2][6], cam[6], dt; - Timer t; -public: - lerp() : - last { {0,0,0,0,0,0}, {0,0,0,0,0,0} }, cam {0,0,0,0,0,0}, dt(1) - { - } - bool idempotentp(const double* input) - { - for (int i = 0; i < 6; i++) - { - double diff = fabs(cam[i] - input[i]); - if (diff > eps) - return false; - } - return true; - } - - void write(const double* cam_, const double* input, double* output) - { - const double q = t.elapsed(); - const double d = q/dt; - - bool idem = idempotentp(cam_); - - if (!idem) - { - dt = q; - t.start(); - } - - const double c = std::max(std::min(1.0, d), 0.0); - - if (!idem) - for (int i = 0; i < 6; i++) - { - last[1][i] = last[0][i]; - last[0][i] = input[i]; - cam[i] = cam_[i]; - } - - for (int i = 0; i < 6; i++) - output[i] = last[1][i] + (last[0][i] - last[1][i]) * c; - } - - void get_state(double* state) - { - for (int i = 0; i < 6; i++) - state[i] = last[0][i]; - } -}; |