void Game::addAsteroids(int num) {
ofPoint randDirection, randSize, randPos;
int randSpeed = 0;
float randRotation = 0.0, randValue = 0.0;
for (int i = 0; i < num; ++i) {
randValue = ofRandom(0.0, 1.0);
if (randValue > 0.8) {
randSize.x = 120;
randSize.y = 120;
} else if (randValue > 0.5) {
randSize.x = 80;
randSize.y = 80;
} else {
randSize.x = 40;
randSize.y = 40;
}
randDirection.x = ofRandom(-1, 1);
randDirection.y = ofRandom(-1, 1);
normalizePoint(randDirection);
randRotation = ofRandom(-0.5, 0.5);
randPos.x = ofRandom(0, ofGetWidth());
randPos.y = ofRandom(0, ofGetHeight());
randSpeed = ofRandom(200, 400);
Asteroid *asteroid = new Asteroid();
asteroid->initialize(randSize, randSpeed, randPos, randDirection);
asteroid->rotationSpeed = randRotation;
asteroids.push_back(asteroid);
}
}
void Game::splitAsteroid(int which) {
if (asteroids[which]->size.x > 20 && asteroids[which]->size.y > 20) {
for (unsigned int i = 0; i < (asteroids[which]->size.x / 40) + 1; ++i) {
Asteroid *asteroid = new Asteroid();
asteroid->initialize(
asteroids[which]->size / 2,
asteroids[which]->speed,
asteroids[which]->position,
ofPoint(-(ofRandom(-1, 1)),
ofRandom(-1, 1))
);
asteroid->rotationSpeed = -asteroids[which]->rotationSpeed;
asteroids.push_back(asteroid);
}
}
asteroids.erase(asteroids.begin() + which);
if (asteroids.size() == 0) {
addAsteroids(ofRandom(4, 6));
}
}