text: AS.init();
  
  /*
  AS.attachAnimation({
      stepsNum: 5,
      milisecondsStep: 500,
      func: function( _animation ) {
          if( _animation.currentStep === 1) dljs.rmBoard(0);
          console.log("animation: func!"+ _animation.currentStep );
          dljs.rndLine();
      },
      onStart: function() { 
          console.log("animation: onStart!");
          dljs.rmBoard(0);
      },
      whenFinish: function() {
          console.log("animation: whenFinish!");
      }, 
      stepsFuncs: [
          null,
          null,
          null,
          null,
          null
      ]
  })
  */
  
  var x_limit = window.innerWidth,
      y_limit = window.innerHeight,
      line_color = "red",
      line_width = 2;
  
  AS.attachAnimation({
      stepsNum: 5,
      milisecondsStep: 25,
      func: function( _animation ) {
  
          dljs.rmBoard(0);
          var c = window.arr;
  
          dljs.goTo(c[0].x, c[0].y);
          for ( var i=0; i< c.length-1; i++) dljs.lineTo( c[i+1].x, c[i+1].y, line_width, line_color );
          dljs.lineTo( c[0].x, c[0].y, line_width, line_color );
  
          // Update coords here
          for ( var i=0; i< c.length; i++) {
  
              if ( c[i].x > x_limit ) c[i].incx = -c[i].incx;
              if ( c[i].x < 0 ) c[i].incx = -c[i].incx;
              if ( c[i].y > y_limit ) c[i].incy = -c[i].incy;
              if ( c[i].y < 0 ) c[i].incy = -c[i].incy;
  
              if ( c[i].incx > 0 ) c[i].x += c[i].incx;
              if ( c[i].incx < 0 ) c[i].x += c[i].incx;
              if ( c[i].incy > 0 ) c[i].y += c[i].incy;
              if ( c[i].incy < 0 ) c[i].y += c[i].incy;
          }
      },
      onStart: function() { 
          console.log("animation: onStart!");
          dljs.rmBoard(0);
          window.arr = [];
          var vertexNum = 10;
          for ( var i=0; i< vertexNum; i++) arr.push({
              "x": dljs.utils.rndX(), 
              "y": dljs.utils.rndY(),
              "incx": dljs.utils.getRandomNum(1,5),
              "incy": dljs.utils.getRandomNum(1,5)
          });
          console.log("arr:", arr );
      },
      whenFinish: function() {
          console.log("animation: whenFinish!");
      }
  })