health

const player = add([
    health(3),
]);

player.onCollide("bad", (bad) => {
    player.hp--;
    bad.hp--;
});

player.onCollide("apple", () => {
    player.hp++;
});

player.onHurt(() => {
    play("ouch");
});

// triggers when hp reaches 0
player.onDeath(() => {
    destroy(player);
    go("lose");
});