[Quy Anh] «Elliot» Nguyen
35 lines
1.4 KiB
C++
35 lines
1.4 KiB
C++
#pragma once
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#include "board.hpp"
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#include "pedestrian.hpp"
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// Initializes the pedestrians used in the simulation.
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//
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// The returned array contains n_p pedestrians split into two groups:
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// one group walking from left to right and one group walking from right to left.
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// Pedestrian positions, desired speeds, destinations, and initial directions are
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// initialized according to the simulation setup.
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//
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// @param n_p : Number of pedestrians to initialize.
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// @return Pointer to a dynamically allocated array of pedestrians.
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Pedestrian *init_pedestrians(int n_p);
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// Initializes a simulation board with no obstacles inside.
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//
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// @return Initialized Board instance.
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Board init_board_without_obstacles();
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// Runs the social force model with n_p pedestrians for n_iter iterations,
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// i.e., n_iter * dt simulated seconds.
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// If dump_path is not nullptr, the simulation states are written to that CSV
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// file, which can be used to generate a visualization video. If dump_path is
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// nullptr, no output file is generated.
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//
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// @param pedestrians : Array of pedestrians to simulate. The array is updated in place.
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// @param board : Board containing the simulation dimensions and obstacles.
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// @param n_p : Number of pedestrians.
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// @param n_iter : Number of simulation iterations.
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// @param dump_path : Optional path to the CSV output file.
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// @return 0 on success.
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int run_simulation(Pedestrian *pedestrians, Board &board, int n_p, int n_iter, const char *dump_path);
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