int main (int argc, char * argv[]) {
bool restart;
unsigned long int particles_n;
if (argc < 2) {
particles_n = NUMBER_OF_PARTICLES;
} else {
errno = 0;
particles_n = strtoul(argv[1], NULL, 0);
if (errno) {
perror(__func__);
exit(EXIT_FAILURE);
}
}
n = particles_n;
px =
align_padded_malloc(ALIGN_BOUNDARY, n*sizeof(value), ALLOC_PADDING);
py =
align_padded_malloc(ALIGN_BOUNDARY, n*sizeof(value), ALLOC_PADDING);
vx =
align_padded_malloc(ALIGN_BOUNDARY, n*sizeof(value), ALLOC_PADDING);
vy =
align_padded_malloc(ALIGN_BOUNDARY, n*sizeof(value), ALLOC_PADDING);
m =
align_padded_malloc(ALIGN_BOUNDARY, n*sizeof(value), ALLOC_PADDING);
if (px == NULL || py == NULL ||
vx == NULL || vy == NULL || m == NULL) {
perror("main");
exit(EXIT_FAILURE);
}
draw_init(SCREEN_WIDTH, SCREEN_HEIGHT, FRAME_RATE, n);
physics_init(n);
rng_init();
do {
draw_reset(n);
physics_reset(n);
restart = main_loop();
} while (restart);
rng_free();
physics_free();
draw_free();
align_free(m);
align_free(vy);
align_free(vx);
align_free(py);
align_free(px);
exit(EXIT_SUCCESS);
}
/** Called for GLFW_PRESSED and GLFW_REPEAT */
void on_key_pressed( int key, int action )
{
//std::cout << "GLWindow::key_pressed key=" << key << std::endl;
if( key == GLFW_KEY_R and action == GLFW_PRESS ) {
// toggle _is_running
_physics_running = !_physics_running;
}
else if( key == GLFW_KEY_E and action == GLFW_PRESS ) {
// stop and reset
_physics_running = false;
physics_reset();
}
}
// ********************************************* GLBoidsScreen::physics_init
void physics_init()
{
_physics_eng = new physics::Engine( false /* no gravity */ );
_boid_list.clear();
auto pt = BoidBodyPtr( new BoidBody() );
_physics_eng->_bodies.push_back( pt );
_boid_list.push_back( pt );
pt = BoidBodyPtr( new BoidBody() );
_physics_eng->_bodies.push_back( pt );
_boid_list.push_back( pt );
physics_reset();
}
