Add arrow to SVG stroke animation

Question

I'm trying to get an animated arrow that encompasses an SVG logo. I got the stroke animation to work but I'm not sure how to get the arrow head on the front of that line.

An example of what I'm trying to achieve is https://stackoverflow.com/questions/45545887/how-to-animate-this-svg-path-so-it-looks-like-the-arrow-is-being-drawn#=

.shape svg {
  width:100%;
  height: auto;
}
.outline {
  stroke-dasharray: 32050;
  animation: dash 2s linear forwards;
  stroke-linejoin: round;
}

@keyframes dash {
  from {
    stroke-dashoffset: 32050;
  }
  to {
    stroke-dashoffset: 0;
  }
}

<div class="shape">
<svg version="1.0" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1350 370" preserveAspectRatio="xMidYMid meet">
<g transform="translate(0.000000,540.000000) scale(0.100000,-0.100000)" fill="#2e3464" stroke="none">
<path transform="translate(13150 7150) rotate(180 180 0)" class="outline" fill="none" stroke="#2e3464" stroke-width="200" d="M338 5250 c-61 -33 -103 -83 -116 -140 -17 -72 -17 -2995 -1 -3072 14 -61 46 -108 96 -138 l35 -20 6388 0 6389 0 35 20 c46 28 80 75 94 132 17 68 17 3005 0 3078 -13 58 -56 108 -118 140 -39 20 -67 20 -6402 20 -6294 -1 -6363 -1 -6400 -20z"/>
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</g>
</svg>
</div>

Answer 1

You can't animate a marker using a stroke-dash-array. The position of the "draw/no-draw" array is being slid along the path, but the path itself doesn't move, which means the marker doesn't move. @Michael Mullany

But you can replace the marker with a triangle and make it move along the same path which is animated

• To do this, use the command animateMotion

<animateMotion
   id="an"
   dur="7s"
   repeatCount="1"
   rotate="auto-reverse"
   begin="0s"
   fill="freeze"
   restart="whenNotActive">
       <mpath xlink:href="#border"/>
</animateMotion>

where id =" border " is an animated path

• Duration animation stroke-dashoffset andanimateMotion make the same. And then it will seem that the triangle moves simultaneously with the line

.shape svg {
  width:100%;
  height: auto;
}
.outline {
  stroke-dasharray: 3253;
  animation: dash 7s linear forwards;
  stroke-linejoin: round;
}

@keyframes dash {
  from {
    stroke-dashoffset: 3253;
  }
  to {
    stroke-dashoffset: 0;
  }
}
</style>

<svg id="svg2" version="1.1" xmlns="http://www.w3.org/2000/svg"   xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 1350 370" preserveAspectRatio="xMidYMid meet">

<g transform="translate(0 10) scale(0.9)">
 <path class="outline" id="border" d="m1317.2 348c6.1-3.3 10.3-8.3 11.6-14 1.7-7.2 1.7-299.5 0.1-307.2-1.4-6.1-4.6-10.8-9.6-13.8l-3.5-2H677 38.1l-3.5 2c-4.6 2.8-8 7.5-9.4 13.2-1.7 6.8-1.7 300.5 0 307.8 1.3 5.8 5.6 10.8 11.8 14 3.9 2 6.7 2 640.2 2 629.4-0.1 636.3-0.1 640-2z" style="fill:none;stroke-width:20;stroke:#2e3464" stroke-linecap="round"/>
  <path d="m73 45.8c-3.6 0.2-6.8 0.6-7.2 1C65.4 47.2 65 69.5 65 96.3l-0.1 48.8 2.7 3.2c1.5 1.8 4.1 4.1 5.8 5.2 2.9 1.9 5.1 2 49.9 2.3 35.4 0.3 47.2 0.1 48.3-0.8 1-0.9 1.4-3.7 1.4-11.1 0-14.6 2.7-13.5-34.6-14.3-17-0.3-32.9-0.9-35.4-1.4l-4.5-0.7-0.6-6.5c-0.4-3.6-1-21.7-1.4-40.3-0.5-23.5-1.1-34-1.9-34.2-2-0.6-15-1-21.6-0.7zM244.6 46.1" fill="#2e3464"/>
  <path d="m244.6 46.1c-2.2 0.5-4.8 1.7-5.8 2.5-2 1.9-9.1 13.6-12.9 21.5-1.5 3.1-4.5 8.5-6.6 12-2.1 3.5-4.9 8.6-6.2 11.4-1.4 2.7-3.5 6.6-4.7 8.6-1.2 2-5 9-8.4 15.5-3.4 6.5-6.7 12.4-7.2 13.1-0.5 0.7-3.4 6.1-6.3 12-4.4 8.7-5.2 11-4.1 12.1 1.8 1.9 26.5 2.9 30.5 1.3 2.1-0.9 4-3.2 6.8-8.4 2.1-4 4.2-8 4.8-8.9 1.9-3.1 4.1-7.2 11.5-21.3 4-7.7 8.1-15.4 9.1-17 1-1.7 3.8-7.1 6.3-12.1 5.2-10.5 8.9-15.4 11.7-15.4 2.3 0 6.3 6.1 13.8 21 3 5.8 5.7 10.9 6.2 11.4 1.6 1.7 1 5.5-1 6.6-1.1 0.6-8.9 1-18.1 1-18.8 0-20.5 0.5-19.5 5.7 1 5.6 6.4 14.6 9.3 15.8 0.9 0.4 11.2 1 22.9 1.4 24.4 0.8 22.6 0.1 29.9 11.8 5.4 8.6 5.8 8.7 23.7 8.7 16.1-0.1 16.5-0.5 10.8-11.6-2.3-4.6-5-9.7-6.1-11.3-1-1.7-3.1-5.5-4.6-8.5-1.5-3-3.8-7.2-5.1-9.3-1.4-2.2-4.4-7.6-6.7-12-2.4-4.5-5.7-10.5-7.3-13.2-1.6-2.8-3.2-5.8-3.6-6.7-0.3-1-2.1-4.2-4-7-1.8-2.9-4.3-7.3-5.5-9.8-3.2-6.6-9.3-15.1-12.3-17.3-1.5-1.1-4.6-2.3-7-2.7-7.3-1.4-30.1-2-34.3-0.9z" fill="#2e3464"/>
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Update

for questions in the comments

is it possible to get the arrow to stay at the end of the animation, instead of closing the box, to leave a space open on the bottom of the ride side of the box and keep the arrow visible at the bottom right corner? – Charlie Wedel

• To keep the arrow after the end of the animation you need to delete

  <set attributeName="fill-opacity" to="0" begin="an.end" />

• To curb did not reach the right corner of the button must be reduced: stroke-dasharray: 3163; stroke-dasharray: 3163;

• The position of the arrow relative to the line is adjustable

  <polyline transform="translate(80 -25) rotate(90)"

• You can still play with the length of the triangle-marker I lengthened to 80

  points="0,0 25,80 50,0"

.shape svg {
  width:100%;
  height: auto;
}
.outline {
  stroke-dasharray: 3163;
  animation: dash 7s linear forwards;
  stroke-linejoin: round;
}

@keyframes dash {
  from {
    stroke-dashoffset: 3163;
  }
  to {
    stroke-dashoffset: 0;
  }
}

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<g transform="translate(0 10) scale(0.9)">
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         <polyline transform="translate(80 -25) rotate(90)" points="0,0 25,80 50,0" fill="#4B55A3" >
 <animateMotion
   id="an"
   dur="7s"
   repeatCount="1"
   rotate="auto-reverse"
   begin="0s"
   fill="freeze"
   restart="whenNotActive">
       <mpath xlink:href="#border"/>
</animateMotion> 
 <!--   <set attributeName="fill-opacity" to="0" begin="an.end"  />  -->
</polyline>	
</g>
  </svg>

Answer 2

You can't animate a marker using a stroke-dash-array. The position of the "draw/no-draw" array is being slid along the path, but the path itself doesn't move, which means the marker doesn't move.