if (abs(obj_heart.xprevious - obj_heart.x) > 0.01 || abs(obj_heart.yprevious - obj_heart.y) > 0.01)
{
    if (global.invc < 1)
    {
        global.turntimer -= 40;
        dmgamt = round(dmg - ((global.df + global.adef) / 5));
        if (dmgamt < 1)
            dmgamt = 1;
        global.hp -= dmgamt;
        snd_play(snd_hurt1);
        global.hshake = 2;
        global.shakespeed = 2;
        global.vshake = 2;
        instance_create(0, 0, obj_shaker);
        global.invc = global.inv;
    }
}