gistfile1.txt

// http://alexnisnevich.github.io/untrusted/
// Level 13

          var dirs = ['up', 'right', 'down', 'left']
          if (!me.d) me.d = 0;
          function dir(o) { return dirs[(me.d + o)%4]; }
          
          var canMove = false;
          var changeDir = 0;
          if (me.canMove(dir(1))) {
              me.d += 1;
          } else if (me.canMove(dir(0))) {
              me.d += 0;
          } else if (me.canMove(dir(-1))) {
              me.d += -1;
          } else if (me.canMove(dir(+2))) {
              me.d += 2;
          }
              
              
          me.move(dir(0));
        }, 
        interval: 100,
        dummy: {