add simple and random walker

examples/random-walker/turtle.js

@@ -1,30 +0,0 @@
-function turtle(){
- retro()
-
-  for (let j = 0; j < 10; j++){
-
-  penup()
-  setpos(0,0)
-  pendown()
-
-      for (let i = 0; i < 2000; i++){
-	
-	penSize(randint(30))
-	
-	if (randint()<50)
-	{
-	  penup()
-	} else 
-	{
-	  pendown()
-	}
-
-	  forward(randint())
-	  right(randint())
-
-
-    }
-
-  }
-}
-

examples/simple-logo/turtle.js

@@ -1,11 +1,12 @@
 function turtle(){
 
-  bg('blue')
-
   penColor('pink')
   penSize(12)
 
-  forward(randint())
+  back(200)
+  right(90)
+
+  penColor('blue')
 
   for (let i = 0; i < 13; i++){
       forward(170)
@@ -16,6 +17,7 @@ function turtle(){
       right(10)     
 
       back(18)
+
   }
 
 }