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| author | JacobPalecki <[email protected]> | 2020-09-21 14:20:18 -0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-09-21 14:20:18 -0700 |
| commit | 4ec16a2ff35e0e910a13f92713d56d317b24e790 (patch) | |
| tree | c4aead24d52e3002cfd3282ddd697a3766de405a /common/accel-logarithm.hpp | |
| parent | Merge pull request #20 from JacobPalecki/GUI (diff) | |
| parent | x/y diff sens works (diff) | |
| download | rawaccel-4ec16a2ff35e0e910a13f92713d56d317b24e790.tar.xz rawaccel-4ec16a2ff35e0e910a13f92713d56d317b24e790.zip | |
Merge pull request #21 from JacobPalecki/GUI
GUI: Icon, Separate X/Y sens mode, some fixes
Diffstat (limited to 'common/accel-logarithm.hpp')
| -rw-r--r-- | common/accel-logarithm.hpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/common/accel-logarithm.hpp b/common/accel-logarithm.hpp new file mode 100644 index 0000000..044d23c --- /dev/null +++ b/common/accel-logarithm.hpp @@ -0,0 +1,32 @@ +#pragma once + +#include <math.h> + +#include "accel-base.hpp" + +namespace rawaccel { + + /// <summary> Struct to hold sigmoid (s-shaped) gain implementation. </summary> + struct logarithm_impl { + double rate; + double offset; + double additive_const; + + logarithm_impl (const accel_args& args) : + rate(args.rate), offset (args.offset) { + additive_const = offset * rate; + } + + inline double operator()(double speed) const { + double scaled_speed = rate * speed + 1; + double base_speed = speed + offset; + + return (scaled_speed * log(scaled_speed) + additive_const ) / ( rate * base_speed) - 1; + } + + inline double legacy_offset(double speed) const { return operator()(speed); } + }; + + using accel_logarithm = additive_accel<logarithm_impl>; + +} |