#pragma once
#include "board.hpp"
#include "pedestrian.hpp"
#include <cmath>

const double tau_alpha = 0.5;

const double V0_AB = 2.1;

const double SIGMA = 0.3;

const double U0_AB = 10.0;

const double R = 0.2;

const double c = 0.5;

const double phi = 100.0 / 180.0 * M_PI;

const double cos_phi = cos(phi);

const double delta_t = 2;

const double dt = 0.01;

// # Optional (forces.cpp: compute_repulsive_effects_from_pedestrians)
// const double DISTANCE = 2.0;

double w(Vector2d e, Vector2d f);

double g(double v_max_alpha, double w_alpha_norm);

void compute_acceleration_term(Pedestrian *p);

void compute_repulsive_effects_from_pedestrians(Pedestrian *P, Pedestrian *p, int N);

void compute_repulsive_effects_from_borders(Board &B, Pedestrian *p);