dmg = 7;
xx = (obj_heart.x - obj_heart.xprevious) * 30;
yy = (obj_heart.y - obj_heart.yprevious) * 30;
move_towards_point((obj_heart.x + xx) - 8, obj_heart.y + yy, 7);
sprite_index = scr_getsprite(sprite_index);