if !place_meeting(x,y+_yspd,par_floor)
    _yspd += .25;

repeat (abs(_yspd)) {
    y += sign(_yspd);
    if place_meeting(x,y,par_floor) {
        _yspd = -_yspd/1.1; }
    if (place_meeting(x,y,par_enemy)) {
        ID = instance_create(x,y,obj_blast);
        ID._blastradius = _blastradius;
        ID._damage = _damage;
        instance_destroy(); } }

repeat (abs(_xspd)) {
    x += sign(_xspd);
    if place_meeting(x,y,par_floor) {
        _xspd = -_xspd/1.1; }
    if (place_meeting(x,y,par_enemy)) {
        ID = instance_create(x,y,obj_blast);
        ID._blastradius = _blastradius;
        ID._damage = _damage;
        instance_destroy(); } }