Path smooth fading in paperjs










1















I would like to do a path fading effect that would make the path disappear by fading its stroke progressively along the path.



What I'm able to do for now is removing one by one each of the segments of the path, producing a rather poor effect: sketch.



var circle = new Path.Circle(
center: view.center,
radius: 50,
strokeColor: 'black',
closed: false
);
circle.addSegment(circle.firstSegment);

fade();

function fade()
if (circle.segments.length > 0)
setTimeout(function()
circle.lastSegment.remove();
fade();
, 1000);




Is there a way to make the animation smoother ?










share|improve this question


























    1















    I would like to do a path fading effect that would make the path disappear by fading its stroke progressively along the path.



    What I'm able to do for now is removing one by one each of the segments of the path, producing a rather poor effect: sketch.



    var circle = new Path.Circle(
    center: view.center,
    radius: 50,
    strokeColor: 'black',
    closed: false
    );
    circle.addSegment(circle.firstSegment);

    fade();

    function fade()
    if (circle.segments.length > 0)
    setTimeout(function()
    circle.lastSegment.remove();
    fade();
    , 1000);




    Is there a way to make the animation smoother ?










    share|improve this question
























      1












      1








      1








      I would like to do a path fading effect that would make the path disappear by fading its stroke progressively along the path.



      What I'm able to do for now is removing one by one each of the segments of the path, producing a rather poor effect: sketch.



      var circle = new Path.Circle(
      center: view.center,
      radius: 50,
      strokeColor: 'black',
      closed: false
      );
      circle.addSegment(circle.firstSegment);

      fade();

      function fade()
      if (circle.segments.length > 0)
      setTimeout(function()
      circle.lastSegment.remove();
      fade();
      , 1000);




      Is there a way to make the animation smoother ?










      share|improve this question














      I would like to do a path fading effect that would make the path disappear by fading its stroke progressively along the path.



      What I'm able to do for now is removing one by one each of the segments of the path, producing a rather poor effect: sketch.



      var circle = new Path.Circle(
      center: view.center,
      radius: 50,
      strokeColor: 'black',
      closed: false
      );
      circle.addSegment(circle.firstSegment);

      fade();

      function fade()
      if (circle.segments.length > 0)
      setTimeout(function()
      circle.lastSegment.remove();
      fade();
      , 1000);




      Is there a way to make the animation smoother ?







      animation paperjs






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 14 '18 at 10:48









      blarueblarue

      1515




      1515






















          1 Answer
          1






          active

          oldest

          votes


















          3














          To do a smooth path animation, you don't have to necessarily remove segments, you can also play with path.dashArray and path.dashOffset.

          By setting dash array to the length of the path and by animating dash offset, you can achieve what you are looking for.

          Look at this schema for better understanding:



          enter image description here



          Here is a sketch demonstrating the solution.



          enter image description here



          // create path
          var path = new Path.Circle(
          center: view.center,
          radius: 50,
          strokeColor: 'black',
          closed: false
          );
          path.addSegment(path.firstSegment);

          // set dash array as long as path length
          path.dashArray = [path.length, path.length];

          // on frame...
          function onFrame(event)
          // ...increment dash offset
          path.dashOffset += 1;






          share|improve this answer






















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            1 Answer
            1






            active

            oldest

            votes








            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            3














            To do a smooth path animation, you don't have to necessarily remove segments, you can also play with path.dashArray and path.dashOffset.

            By setting dash array to the length of the path and by animating dash offset, you can achieve what you are looking for.

            Look at this schema for better understanding:



            enter image description here



            Here is a sketch demonstrating the solution.



            enter image description here



            // create path
            var path = new Path.Circle(
            center: view.center,
            radius: 50,
            strokeColor: 'black',
            closed: false
            );
            path.addSegment(path.firstSegment);

            // set dash array as long as path length
            path.dashArray = [path.length, path.length];

            // on frame...
            function onFrame(event)
            // ...increment dash offset
            path.dashOffset += 1;






            share|improve this answer



























              3














              To do a smooth path animation, you don't have to necessarily remove segments, you can also play with path.dashArray and path.dashOffset.

              By setting dash array to the length of the path and by animating dash offset, you can achieve what you are looking for.

              Look at this schema for better understanding:



              enter image description here



              Here is a sketch demonstrating the solution.



              enter image description here



              // create path
              var path = new Path.Circle(
              center: view.center,
              radius: 50,
              strokeColor: 'black',
              closed: false
              );
              path.addSegment(path.firstSegment);

              // set dash array as long as path length
              path.dashArray = [path.length, path.length];

              // on frame...
              function onFrame(event)
              // ...increment dash offset
              path.dashOffset += 1;






              share|improve this answer

























                3












                3








                3







                To do a smooth path animation, you don't have to necessarily remove segments, you can also play with path.dashArray and path.dashOffset.

                By setting dash array to the length of the path and by animating dash offset, you can achieve what you are looking for.

                Look at this schema for better understanding:



                enter image description here



                Here is a sketch demonstrating the solution.



                enter image description here



                // create path
                var path = new Path.Circle(
                center: view.center,
                radius: 50,
                strokeColor: 'black',
                closed: false
                );
                path.addSegment(path.firstSegment);

                // set dash array as long as path length
                path.dashArray = [path.length, path.length];

                // on frame...
                function onFrame(event)
                // ...increment dash offset
                path.dashOffset += 1;






                share|improve this answer













                To do a smooth path animation, you don't have to necessarily remove segments, you can also play with path.dashArray and path.dashOffset.

                By setting dash array to the length of the path and by animating dash offset, you can achieve what you are looking for.

                Look at this schema for better understanding:



                enter image description here



                Here is a sketch demonstrating the solution.



                enter image description here



                // create path
                var path = new Path.Circle(
                center: view.center,
                radius: 50,
                strokeColor: 'black',
                closed: false
                );
                path.addSegment(path.firstSegment);

                // set dash array as long as path length
                path.dashArray = [path.length, path.length];

                // on frame...
                function onFrame(event)
                // ...increment dash offset
                path.dashOffset += 1;







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 14 '18 at 10:54









                sasensisasensi

                1,298114




                1,298114





























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