Circle Drawer

--Circular Digger--
function define()
    print("Circle Diameter: ")
    d = read()
    if d <= 1 then
        print("ERROR: Diameter must be greater than 1")
    end
    r = tonumber(d / 2 )-- radius
    print("Radius: " ..r)
    theta = 0
    r = r - 1 -- normalise values, otherwise r = 1 is actually r = 2
    m = peripheral.wrap("<SIDE>") -- allows interaction with the monitor
    currX = 0 -- Turtle's pos in the X (length)
    currY = 0 -- Turtle's pos in the Y (depth)
    currZ = 0 -- pos in the Z (width)
end
function getCoords()
    repeat
        for theta = 0, 359 do --draw all of the circle. (No 360 b/c 0 = 360)
            xCoord = math.floor(r * math.cos(math.rad(theta))) -- math.rad() math.cos/sin expects radians
            yCoord = math.floor(r * math.sin(math.rad(theta)))
            --m.setCursorPos(xCoord, yCoord) -- Monitor O utput
            --m.write("#") -- Replace with whatever the circle will be drawn as
            moveTo()
        end
        r = r - 1 -- reduce r by 1 and draw the circle again. draws the next 'inner' circle. Basically, this fills the entire circle in.
    until r == -1 -- technically -1 = 0, 0 = 1 etc. so really, until r = 0
end

function moveTo() -- TO DO: Turtle intergration
atLoc = false
repeat
    if currX >  xCoord then
        turtle.back()
        currX = currX - 1
    end
    if currX < xCoord then
        turtle.forward()
        currX = currX + 1
    end
    if currX == xCoord then
        turtle.left()
            if currY >  yCoord then
                turtle.back()
                currY = currY - 1
            end
            if currY < yCoord then
                turtle.forward()
                currY = currY + 1
            end
            if currY == yCoord then
                print("Made it!")
                atLoc = true
    end
until atLoc == true
end

define()
getCoords()