try{
    if (/android|webos|iphone|ipod|blackberry/i.test(navigator.useragent)) {

    }else{
        $(function(){
  var canvas = document.queryselector('canvas'),
      ctx = canvas.getcontext('2d')
  canvas.width = window.innerwidth;
  canvas.height = window.innerheight;
  ctx.linewidth = .3;
  ctx.strokestyle = (new color(150)).style;

  var mouseposition = {
    x: 30 * canvas.width / 100,
    y: 30 * canvas.height / 100
  };

  var dots = {
    nb: 250,
    distance: 100,
    d_radius: 150,
    array: []
  };

  function colorvalue(min) {
    return math.floor(math.random() * 255 + min);
  }
  
  function createcolorstyle(r,g,b) {
    return 'rgba(' + r + ',' + g + ',' + b + ', 0.8)';
  }
  
  function mixcomponents(comp1, weight1, comp2, weight2) {
    return (comp1 * weight1 + comp2 * weight2) / (weight1 + weight2);
  }
  
  function averagecolorstyles(dot1, dot2) {
    var color1 = dot1.color,
        color2 = dot2.color;
    
    var r = mixcomponents(color1.r, dot1.radius, color2.r, dot2.radius),
        g = mixcomponents(color1.g, dot1.radius, color2.g, dot2.radius),
        b = mixcomponents(color1.b, dot1.radius, color2.b, dot2.radius);
    return createcolorstyle(math.floor(r), math.floor(g), math.floor(b));
  }
  
  function color(min) {
    min = min || 0;
    this.r = colorvalue(min);
    this.g = colorvalue(min);
    this.b = colorvalue(min);
    this.style = createcolorstyle(this.r, this.g, this.b);
  }

  function dot(){
    this.x = math.random() * canvas.width;
    this.y = math.random() * canvas.height;

    this.vx = -.5 + math.random();
    this.vy = -.5 + math.random();

    this.radius = math.random() * 2;

    this.color = new color();
    console.log(this);
  }

  dot.prototype = {
    draw: function(){
      ctx.beginpath();
      ctx.fillstyle = this.color.style;
      ctx.arc(this.x, this.y, this.radius, 0, math.pi * 2, false);
      ctx.fill();
    }
  };

  function createdots(){
    for(i = 0; i < dots.nb; i++){
      dots.array.push(new dot());
    }
  }

  function movedots() {
    for(i = 0; i < dots.nb; i++){

      var dot = dots.array[i];

      if(dot.y < 0 || dot.y > canvas.height){
        dot.vx = dot.vx;
        dot.vy = - dot.vy;
      }
      else if(dot.x < 0 || dot.x > canvas.width){
        dot.vx = - dot.vx;
        dot.vy = dot.vy;
      }
      dot.x += dot.vx;
      dot.y += dot.vy;
    }
  }

  function connectdots() {
    for(i = 0; i < dots.nb; i++){
      for(j = 0; j < dots.nb; j++){
        i_dot = dots.array[i];
        j_dot = dots.array[j];

        if((i_dot.x - j_dot.x) < dots.distance && (i_dot.y - j_dot.y) < dots.distance && (i_dot.x - j_dot.x) > - dots.distance && (i_dot.y - j_dot.y) > - dots.distance){
          if((i_dot.x - mouseposition.x) < dots.d_radius && (i_dot.y - mouseposition.y) < dots.d_radius && (i_dot.x - mouseposition.x) > - dots.d_radius && (i_dot.y - mouseposition.y) > - dots.d_radius){
            ctx.beginpath();
            ctx.strokestyle = averagecolorstyles(i_dot, j_dot);
            ctx.moveto(i_dot.x, i_dot.y);
            ctx.lineto(j_dot.x, j_dot.y);
            ctx.stroke();
            ctx.closepath();
          }
        }
      }
    }
  }

  function drawdots() {
    for(i = 0; i < dots.nb; i++){
      var dot = dots.array[i];
      dot.draw();
    }
  }

  function animatedots() {
    ctx.clearrect(0, 0, canvas.width, canvas.height);
    movedots();
    connectdots();
    drawdots();

    requestanimationframe(animatedots);	
  }

  $('canvas').on('mousemove', function(e){
    mouseposition.x = e.pagex;
    mouseposition.y = e.pagey;
  });

  $('canvas').on('mouseleave', function(e){
    mouseposition.x = canvas.width / 2;
    mouseposition.y = canvas.height / 2;
  });

  createdots();
  requestanimationframe(animatedots);	
});
    }
}catch(e){}