code: function(n, a, b) { // Check if an angle n is between a and b
  
        var c = this['SCALE'];
        n = mod(n, c);
        a = mod(a, c);
        b = mod(b, c);
  
        if (a < b)
          return a <= n && n <= b;
        // return 0 <= n && n <= b || a <= n && n < 360;
        return a <= n || n <= b;
      }
docs: Checks if an angle is between two other angles
  
  @param {number} n
  @param {number} a
  @param {number} b
  @returns {boolean}