var shard_speed_max = 3;
var shard_speed_inc = (shard_speed_max * 2) / bottle_shard_number;
for (var i = 0; i < bottle_shard_number; i++)
{
    var shard = instance_create(x, y, obj_battle_enemy_attack_starlo_bottle_shard);
    shard.hspeed = -shard_speed_max + (shard_speed_inc * i);
}
instance_create(x, y - 25, obj_battle_enemy_attack_starlo_bottle_explosion);
audio_play_sound(choose(snd_glass_break_1, snd_glass_break_2), 1, 0);