if (head == 2 && y >= (obj_mainchara.y - 3))
{
    head = 0;
    y = obj_mainchara.y - 3;
    onhead = 1;
    speed = 0;
}
if (onhead == 1)
{
    x = obj_mainchara.x + 7;
    y = obj_mainchara.y - 3;
}