llama

modules = peripheral.wrap("back")

function main()

	modules.disableAI()

	while true do

		player = modules.getMetaByName("mikesc")

		if player ~= nil then

			local x = player.x
			local y = player.y
			local z = player.z

			local pitch = -math.atan2(y, math.sqrt(x * x + z * z))
			local yaw = math.atan2(-x, z)

			local distancetoplayer = distance(0,0,x,z)

			if not modules.isWalking()
				if distancetoplayer > 6 then

					local newx = -(distancetoplayer - 2) * math.sin(yaw) * math.cos(pitch)

					--local newy = (distancetoplayer - 2) * math.sin(yaw) * math.sin(pitch)

					local newz = (distancetoplayer - 2) * math.cos(yaw)

					success = modules.walk(newx,y,newz)

					if not success then
						modules.walk(x,y,z)
					end

				else
					modules.look(math.deg(yaw), math.deg(pitch))
				end
			end

		end

		os.sleep(2)
	end

end


function distance ( x1, y1, x2, y2 )
  local dx = x1 - x2
  local dy = y1 - y2
  return math.sqrt ( dx * dx + dy * dy )
end



main()