mirror of
https://github.com/RawAccelOfficial/rawaccel.git
synced 2025-05-11 18:36:46 +02:00
31 lines
657 B
C++
31 lines
657 B
C++
#pragma once
|
|
|
|
#include <math.h>
|
|
|
|
#include "accel-base.hpp"
|
|
|
|
namespace rawaccel {
|
|
|
|
/// <summary> Struct to hold "natural" (vanishing difference) acceleration implementation. </summary>
|
|
struct accel_natural : accel_base {
|
|
double limit = 1;
|
|
double midpoint = 0;
|
|
|
|
accel_natural(const accel_args& args) : accel_base(args) {
|
|
verify(args);
|
|
|
|
limit = args.limit - 1;
|
|
speed_coeff /= limit;
|
|
}
|
|
|
|
inline double accelerate(double speed) const {
|
|
// f(x) = k(1-e^(-mx))
|
|
return limit - (limit * exp(-speed_coeff * speed));
|
|
}
|
|
|
|
void verify(const accel_args& args) const {
|
|
if (args.limit <= 1) error("limit must be greater than 1");
|
|
}
|
|
};
|
|
|
|
}
|