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#pragma once
#include <math.h>
#include "accel-base.hpp"
namespace rawaccel {
/// <summary> Struct to hold "classic" (linear raised to power) acceleration implementation. </summary>
struct classic_impl {
double accel;
double power;
double power_inc;
double offset;
double multiplicative_const;
classic_impl(const accel_args& args) :
accel(args.accel), power(args.exponent - 1), offset(args.offset) {
multiplicative_const = pow(accel, power);
power_inc = power + 1;
}
inline double operator()(double speed) const {
//f(x) = (mx)^(k-1)
double base_speed = speed + offset;
return multiplicative_const * pow(speed, power_inc) / base_speed;
}
inline double legacy_offset(double speed) const {
return pow(accel * speed, power);
}
};
using accel_classic = additive_accel<classic_impl>;
}
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