23rd_aug_mission1_q3_p6

import {square, blank, stack, beside, stack_frac, beside_frac, quarter_turn_right, quarter_turn_left, turn_upside_down, make_cross, show} from 'rune';

// copy your hook function from Question 2 here if required

function hook(frac) {
    return stack_frac(1/2,square,beside_frac(1-frac,blank,square));
}



function spiral(thickness, depth) {

    return depth <= 1
    ? beside_frac(1-(1/2*thickness), stack_frac(1/2*thickness*depth, square, blank), stack_frac(thickness*depth, square, blank))
    : stack(beside_frac(1-(1/2*thickness), stack_frac(1/2*thickness, square, blank), stack_frac(thickness, square, blank)),quarter_turn_right(spiral(thickness,depth-1)));
    
}

// the spiral is confined within the thickness so need to get it outside





// Test
show(spiral(1/5, 8));