raycaster/tests/systems.cpp
2026-06-17 00:32:31 -04:00

48 lines
1.3 KiB
C++

#include <fuc2/testing.hpp>
#include <fmt/core.h>
#include "game/systems.hpp"
#include <cmath>
#include <numbers>
using namespace fuc2;
namespace systems_tests {
void test_figure_out_best_rotation_direction() {
Matrix map = matrix::make(3, 3);
Point player_at{1, 1};
map[player_at.y][player_at.x] = 2;
for(matrix::box target{map, player_at.x, player_at.y, 1}; target.next();) {
for(matrix::box aiming_at{map, player_at.x, player_at.y, 1}; aiming_at.next();) {
map[aiming_at.y][aiming_at.x] = 10;
float target_dx = float(player_at.x) - float(target.x);
float target_dy = float(player_at.y) - float(target.y);
float aiming_dx = float(player_at.x) - float(aiming_at.x);
float aiming_dy = float(player_at.y) - float(aiming_at.y);
float target_angle = atan2(-target_dy, target_dx) * (180.0 / std::numbers::pi);
float aiming_angle = atan2(-aiming_dy, aiming_dx) * (180.0 / std::numbers::pi);
float diff = target_angle - aiming_angle;
double normalized = fmod(diff + 360.0, 360.0);
CHECK(normalized >= 0);
CHECK(normalized <= 360);
map[aiming_at.y][aiming_at.x] = 0;
}
}
}
fuc2::Set TESTS{
.name="systems",
.tests={
TEST(test_figure_out_best_rotation_direction),
}
};
}