Thu. Jun 8th, 2023

[ANSWERED] html – How to make a pulse animation on a svg path?

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Nov 20, 2022 animation, css, html, svg

Solution 1 :

You will need to use a different transform like so:

<svg  viewBox="0 0 1042.816 1297.406">
  <g transform="translate(664.6295, 65.2095)">
    <path  transform="translate(-664.6295, -65.2095)" d="M698.467,114.89a10.209,10.209,0,0,1-3.787-.817c-13.05-5.219-51.65-19.04-65.74-21.65s-23.48-4.96-19.83-14.09,7.57-24.78,7.57-24.78,5.57-30.79,7.61-34.44c1.618-2.894,3.594-3.82,7.465-3.82,1.01,0,2.149.062,3.445.17,6.26.52,26.61,3.65,25.3,8.87s-2.6,7.92,8.87,10.09,49.374,13.388,51.457,18.084c2.47,5.567-3.977,24.786-8.147,35.217-3.732,9.321-4.754,27.166-14.213,27.166M628.979,10.6c-6.16,0-8.353,2.8-10.209,12.954-2.76,15.01-13.91,53.56-14.82,56.671a3.161,3.161,0,0,1-.14.4c-4.27,10.521,1.78,12.86,22,16.231,20.35,3.389,57.3,17,63.09,18.889,3.735,1.222,8.923,4.074,13.182,4.074,2.924,0,5.41-1.343,6.688-5.484,3.13-10.17,12.78-39.649,16.95-52.17s-4.95-18.79-17.74-21.92c-11.46-2.8-29.64-7.5-39.67-11.45a4.522,4.522,0,0,1-2.87-4.26c.14-8.97-6.28-9.83-22.41-12.2-6.227-.916-10.719-1.734-14.051-1.734" fill="#4cb5e3"/>
    <animateTransform attributeType="XML" attributeName="transform" type="scale" values="1;1.5;1" additive="sum" begin="0s" dur="2s" repeatCount="indefinite"/>
  </g>
</svg>

In order to get the new transformation I’m using getBBox() for the path. This is returning in this case SVGRect {x: 602.5171508789062, y: 10.600000381469727, width: 124.22491455078125, height: 109.21900939941406}

In order to get the transformation for the path:

x = 602.5171508789062 + 124.22491455078125/2
y = 10.600000381469727 + 109.21900939941406/2

Problem :

I’m able to make the pulse animation on the heart but on the second icon it’s sliding, I don’t understand why.

<svg>
    <g transform="translate(50, 50)">
        <path transform="translate(-50, -50)" d="M82.6,50L82.6,50c-0.2-8.1-6.9-15.2-15.1-15.2c-4.8,0-9,2.4-11.8,6c-2.8-3.6-7-6-11.8-6c-8.3,0-15,7.2-15.1,15.2h0c0,0,0,0.1,0,0.1c0,0,0,0.1,0,0.1c0,0.2,0.1,0.4,0.1,0.6c0.7,20.5,26.6,29,26.6,29s26.3-8.4,27.1-28.9c0-0.2,0.1-0.4,0.1-0.6c0,0,0-0.1,0-0.1C82.6,50.1,82.6,50.1,82.6,50z"/>
	<animateTransform attributeType="XML" attributeName="transform" type="scale"       values="1;1.5;1" additive="sum" begin="0s" dur="2s" repeatCount="indefinite"/>
    </g>
</svg>

<svg  viewBox="0 0 1042.816 1297.406">
    <g transform="translate(50, 50)">
        <path transform="translate(-50, -50)" d="M698.467,114.89a10.209,10.209,0,0,1-3.787-.817c-13.05-5.219-51.65-19.04-65.74-21.65s-23.48-4.96-19.83-14.09,7.57-24.78,7.57-24.78,5.57-30.79,7.61-34.44c1.618-2.894,3.594-3.82,7.465-3.82,1.01,0,2.149.062,3.445.17,6.26.52,26.61,3.65,25.3,8.87s-2.6,7.92,8.87,10.09,49.374,13.388,51.457,18.084c2.47,5.567-3.977,24.786-8.147,35.217-3.732,9.321-4.754,27.166-14.213,27.166M628.979,10.6c-6.16,0-8.353,2.8-10.209,12.954-2.76,15.01-13.91,53.56-14.82,56.671a3.161,3.161,0,0,1-.14.4c-4.27,10.521,1.78,12.86,22,16.231,20.35,3.389,57.3,17,63.09,18.889,3.735,1.222,8.923,4.074,13.182,4.074,2.924,0,5.41-1.343,6.688-5.484,3.13-10.17,12.78-39.649,16.95-52.17s-4.95-18.79-17.74-21.92c-11.46-2.8-29.64-7.5-39.67-11.45a4.522,4.522,0,0,1-2.87-4.26c.14-8.97-6.28-9.83-22.41-12.2-6.227-.916-10.719-1.734-14.051-1.734" fill="#4cb5e3"/>
        <animateTransform attributeType="XML" attributeName="transform" type="scale" values="1;1.5;1" additive="sum" begin="0s" dur="2s" repeatCount="indefinite"/>
    </g>
</svg>

Comments

Comment posted by executable

What is

Comment posted by getBBox() allows us to determine the coordinates of the smallest rectangle in which the object fits.

getBBox() allows us to determine the coordinates of the smallest rectangle in which the object fits.

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