Quarry

term.clear()
term.setCursorPos(1,1)
write("Welcome to the Mining program.\n The Turtle will mine a prism that's to the left, forward, and below.\n GUI by Pdan4, code by David341.")
write("Prism will begin after pressing enter after filling the DEPTH query.\n")

write("\n \nBlocks forward? ")
local length = read()

write("\nBlocks left? ")
local width = read()

write("\nBlocks down? ")
local depth = read()



for d=1, depth do
  for w=1, width do
  turtle.dig()
  turtle.digDown()

    for l=2, length do
    turtle.dig()
    turtle.forward()
    turtle.digDown()

    end

  if width-w>0 then
    if w%2==-1+d then
      turtle.turnRight()
      turtle.forward()
      turtle.turnRight()
      end

    if w%2==0+d then
      turtle.turnLeft()
      turtle.forward()
      turtle.turnLeft()
      end
   end
  end
turtle.down()
turtle.turnLeft()
turtle.turnLeft()

end