.

src/brulijam/lib/tutel.lua

@@ -21,6 +21,7 @@ end
 --https://www.youtube.com/watch?v=bZe5J8SVCYQ
 local function forward(x, y, z, r)
   if turtle.forward() then
+    sleep(1)
     if r == 0 then
       z = z + 1
     elseif r == 1 then
@@ -35,6 +36,7 @@ local function forward(x, y, z, r)
 end
 
 local function back(x, y, z, r)
+  sleep(1)
   if turtle.back() then
     if r == 0 then
       z = z - 1
@@ -50,6 +52,7 @@ local function back(x, y, z, r)
 end
 
 local function up(y)
+  sleep(1)
   if turtle.up() then
     y = y + 1
   end
@@ -57,6 +60,7 @@ local function up(y)
 end
 
 local function down(y)
+  sleep(1)
   if turtle.down() then
     y = y - 1
   end
@@ -64,14 +68,18 @@ local function down(y)
 end
 
 local function left(r)
-  turtle.turnLeft()
+  sleep(1)
-  r = (r-1) % 4
+  if turtle.turnLeft() then
+    r = (r-1) % 4
+  end
   return r
 end
 
 local function right(r)
-  turtle.turnRight()
+  sleep(1)
-  r = (r+1) % 4
+  if turtle.turnRight() then
+    r = (r+1) % 4
+  end
   return r
 end