Sounds.pde

class Sounds {
    public Sound[] boops = new Sound[] { new Sound ("low.wav"), new Sound("high.wav") };
    public Sound shot = new Sound("shot.wav", 6);
    public SoundLoop thrust = new SoundLoop("thrust.wav", 1);
    public SoundLoop smallShip = new SoundLoop("smallship.wav");
    public SoundLoop bigShip = new SoundLoop("bigship.wav");
    public Sound explodeLow = new Sound("explode_low.wav");
    public Sound explodeMedium = new Sound("explode_medium.wav");
    public Sound explodeHigh = new Sound("explode_high.wav");
    
    public void killAllSounds() {
        boops[0].stop();
        boops[1].stop();
        shot.stop();
        thrust.stop();
        smallShip.stop();
        bigShip.stop();
        explodeLow.stop();
        explodeMedium.stop();
        explodeHigh.stop();
    }
    
    public Sounds() {
        dR = (dS - dE) / N;
        println("Sounds Start Level @" + wait + " wait");
    }
    
    public void fire() { shot.play(); }
    
    public void explode(int size) {
        switch (size) {
            case EXPLODE_SMALL:
                explodeSmall();
                break;
            case EXPLODE_MEDIUM:
                explodeMedium();
                break;
            case EXPLODE_BIG:
            default:
                explodeBig();
        }
    }
    
    public void explodeSmall()  { explodeHigh.play(); }
    public void explodeMedium() { explodeMedium.play(); }
    public void explodeBig()    { explodeLow.play(); }
    
    int dS = 1000;
    int dE = 250;
    int N = 80;
    int dR, wait, start;
    int sound = 0;
    boolean inPlay = false;
    
    public void startLevel() {
        inPlay = true;
        wait = dS;
        start = millis();
        println("dS = " + dS);
        println("Sounds Start Level @" + wait + " wait, dS = " + dS);
    }

    public void playBoop() {
        if (!inPlay) return;
        
        int now = millis();
        
        //println("playBoop - interval=" + (now-start) + ", wait = " + wait);

        if (now - start > wait) {
            start = now;
            wait = max(wait - dR, dE);
            boops[sound].play();
            sound = (sound + 1) % 2;
        }
    }

    public void stopGame() {
        inPlay = false;
    }
    
    public void playThrust() { thrust.play(); }
    public void stopThrust() { thrust.stop(); }
}