//Critical zone code, partly from A3Files
void criticalZone(Ship *ship, iArgs input, FILE *sketch)
{
sigset_t block_mask;
sigset_t old_mask;
sigemptyset( &block_mask );
sigaddset( &block_mask, SIGALRM );
// blocks signal
if( sigprocmask( SIG_BLOCK, &block_mask, &old_mask ) < 0 ) {
exit( EXIT_FAILURE );
}
// CRITICAL CODE GOES
if (checkCollision(ship, input)){
if (ship -> yspeed > 40 || ship -> xspeed > 20 || ship -> rotationAngle != 90){
printw("\nCollision speed x:%.2lf y:%.2lf, try to go slower and point your ship up!\n\n", ship -> xspeed, ship -> yspeed);
explode(tship, sket);
ship -> collision = 1;
}
else {
printw("You landed!");
ship -> collision = 2;
}
}
else applyAccelerations(ship, input, sketch);
//
// unblock signal by setting mask to old value from before we added SIGALRM
if( sigprocmask( SIG_SETMASK, &old_mask, NULL ) < 0 ) {
exit( EXIT_FAILURE );
}
}
void update() {
// Iterate through all particles and do various things to them.
for (std::size_t i = 0; i < particles.size(); i++)
{
// Update the particle.
particles[i]->update();
// Here we pass our particle "by reference".
// This means that the applyAccelerations function can modify the particle.
applyAccelerations(particles[i]);
// Here we pass our particle "by reference".
// This means that the checkCollisions function can modify the particle.
checkCollisions(particles[i]);
}
}
