function wait(w) {
    loop(w) {
    yield;
    }
}

//Creates circle with n bullets. Other parameters are for the shot type.
function circle(n,x,y,s,b,d) {
    let r = 360 / n;
    let dev = rand(0,r);
    let a = 90 + dev;
    loop(n) {
    CreateShotA1(x,y,s,a,b,d);
    yield;
    a = a + r;
    yield;
    }
}

//Creates a spread with n bullets at dir direction with a angle between bullets.
function spread(n,x,y,s,b,d,dir,a) {
    let a2 = a / n;
    let dir1 = dir - (a / 2);
    loop(n) {
    CreateShotA1(x,y,s,dir1,b,d);
        yield;
    dir1 = dir1 + a2;
    yield;
    }
}

//Creates a spiral pattern with n1 "arms" and n2 bullets in each arm, and distance between bullets "rs".
function spiral(n1,n2,rs,x,y,s,b,d) {
    let a1 = 360 / n1;
    let dev = rand(0,a1);
    let a2 = 90 + dev;
    loop(n2) {
    loop(n1) {
        CreateShotA1(x,y,s,a2,b,d);
        yield;
        a2 = a2 + a1;
        yield;
        }
    yield;
    a2 = a2 + rs;
    wait(3);
    }
}