error handling

apps/mobfollow.lua

@@ -1,46 +0,0 @@
-_G.requireInjector(_ENV)
-
-local GPS = require('gps')
-local Util = require('util')
-local Peripheral = require('peripheral')
-local Point = require('point')
-
-local p = Peripheral.lookup('594://name/neuralInterface')
-
-_G._p = p
-if not p then
-  error('failed to connect')
-end
-
-local lpt = nil
-
-while true do
-  local pt = GPS.locate(2)
-
-  if not pt then
-    print('No GPS')
-  else
-    local gpt = Util.shallowCopy(pt)
-    if pt and lpt and Point.same(pt, lpt) then
-      -- havent moved
-      print('no move')
-    else
-      if not lpt then
-        gpt.x = gpt.x - 2
-      else
-        local dx = lpt.x - pt.x
-        local dz = lpt.z - pt.z
-        local angle = math.atan2(dx, dz)
-        gpt.x = pt.x + 2.5 * math.sin(angle)
-        gpt.z = pt.z + 2.5 * math.cos(angle)
-      end
-      lpt = pt
-      local s, m = p.goTo(gpt.x, gpt.y + 1, gpt.z)
-      if not s then
-        print(m)
-      end
-    end
-  end
-  
-  os.sleep(.5)
-end

apps/robotWars.lua

@@ -1,74 +0,0 @@
-local os         = _G.os
-local peripheral = _G.peripheral
-
-local ni = peripheral.find("neuralInterface")
-if not ni then
-	error("Cannot find neuralInterface")
-end
-
-local RADIUS = 6
-local ROTATION = math.pi / 16
-local args = { ... }
-
-local TARGET = args[1] or error('Syntax: robotWars <targetName>')
-
-local function yap(entity)
-	local x, y, z = entity.x, entity.y + 1, entity.z
-	local pitch = -math.atan2(y, math.sqrt(x * x + z * z))
-	local yaw = math.atan2(-(x - .5), z - .5)
-
-  return math.deg(yaw), math.deg(pitch)
-end
-
-local function getUid()
-  for _,v in pairs(ni.sense()) do
-    if math.floor(v.x) == 0 and
-       math.floor(v.z) == 0 then
-      return v.id
-    end
-  end
-  error('Could not find myself')
-end
-
-local uid = getUid()
-
-local function findTarget(name)
-  for _, v in pairs(ni.sense()) do
-    if v.name == name and v.id ~= uid then
-      return v
-    end
-  end
-end
-
-local function shootAt(name)
-		local target = findTarget(name)
-  if not target then
-    return
-  end
-  local yaw, pitch = yap(target)
-  debug('look: ' .. yaw)
-  ni.look(yaw, pitch)
-  debug('shoot')
-  pcall(ni.shoot, 1)
-end
-
-while true do
-	local target = findTarget(TARGET)
-  if not target then
-    print('Won??')
-    break
-  end
-  local angle = math.atan2(-target.x, -target.z) + ROTATION
-  debug('walk: ' .. angle)
-
-  ni.walk(
-    target.x + RADIUS * math.sin(angle),
-    0,
-    target.z + RADIUS * math.cos(angle))
-  os.sleep(.2)
-  repeat
-    os.sleep(0)
-  until not ni.isWalking()
-
-  shootAt(TARGET)
-end

autorun/neural.lua

@@ -1,24 +0,0 @@
-_G.requireInjector(_ENV)
-
-local GPS = require('gps')
-
-local device = _G.device
-
-if device.neuralInterface then
-  function device.neuralInterface.goTo(x, _, z)
-    local pt = GPS.locate(2)
-    if pt then
-      return pcall(function()
-        local gpt = {
-          x = x - pt.x,
-          y = 0,
-          z = z - pt.z,
-        }
-        gpt.x = math.min(math.max(gpt.x, -15), 15)
-        gpt.z = math.min(math.max(gpt.z, -15), 15)
-        return device.neuralInterface.walk(gpt.x, gpt.y, gpt.z)
-      end)
-    end
-    return false, 'No GPS'
-  end
-end