Sphere plotting slices

local component = require("component")
local keyboard = require("keyboard")
local shell = require("shell")
local hologram = component.hologram

hologram.clear()

h = 24
k = 17
r = 12
step = 1 -- not used

  for theta = 1, 360 do
    x = h + r * math.cos(theta)
    y = k + r * math.sin(theta)
    --print("x: " .. x .. " y:" .. y)
    hologram.set(x, y, h, 2)
  end