org.bukkit.FireworkEffect.Type#BALL源码实例Demo

static Type getEffectType(int nbt) {
    switch (nbt) {
        case 0:
            return Type.BALL;
        case 1:
            return Type.BALL_LARGE;
        case 2:
            return Type.STAR;
        case 3:
            return Type.CREEPER;
        case 4:
            return Type.BURST;
        default:
            throw new IllegalArgumentException("Unknown effect type " + nbt);
    }
}
 

static Type getEffectType(int nbt) {
    switch (nbt) {
        case 0:
            return Type.BALL;
        case 1:
            return Type.BALL_LARGE;
        case 2:
            return Type.STAR;
        case 3:
            return Type.CREEPER;
        case 4:
            return Type.BURST;
        default:
            throw new IllegalStateException(Integer.toString(nbt)); // Spigot
    }
}
 

public static Firework shootFirework(Location loc, Random rand) {
    int type = rand.nextInt(5) + 1;
    Firework firework = loc.getWorld().spawn(loc, Firework.class);
    FireworkMeta meta = firework.getFireworkMeta();
    Type ft = null;
    switch (type) {
    case 1:
        ft = Type.BALL;
        break;
    case 2:
        ft = Type.BALL_LARGE;
        break;
    case 3:
        ft = Type.BURST;
        break;
    case 4:
        ft = Type.CREEPER;
        break;
    case 5:
        ft = Type.STAR;
        break;
    }
    FireworkEffect effect = FireworkEffect.builder().flicker(rand.nextBoolean()).withColor(fireworkColor(rand.nextInt(16) + 1)).withFade(fireworkColor(rand.nextInt(16) + 1))
            .trail(rand.nextBoolean()).with(ft).trail(rand.nextBoolean()).build();
    meta.addEffect(effect);
    firework.setFireworkMeta(meta);
    return firework;
}