77 lines
2.4 KiB
JavaScript
77 lines
2.4 KiB
JavaScript
const preact = require('preact');
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const { Component } = require('preact');
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const anime = require('animejs').default;
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const { TIMES } = require('../../constants');
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class Amplify extends Component {
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constructor() {
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super();
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this.animations = [];
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}
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render() {
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const path = 'M0,100 C100,100 100,100 200,100';
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return (
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<svg
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class='skill-animation'
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version="1.1"
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id="amplify"
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xmlns="http://www.w3.org/2000/svg"
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viewBox="0 0 200 200">
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<filter id="amplifyFilter">
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<feTurbulence type="turbulence" baseFrequency="0.4" numOctaves="2" result="turbulence"></feTurbulence>
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<feDisplacementMap in2="turbulence" in="SourceGraphic" scale="2" xChannelSelector="R" yChannelSelector="G"></feDisplacementMap>
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</filter>
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<path filter='url("#amplifyFilter")' d={path} />
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</svg>
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);
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}
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componentDidMount() {
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const altPath = 'M0,100 C100,400 100,-200 200,100';
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this.animations.push(anime({
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targets: ['#amplify'],
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opacity: [
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{ value: 1, delay: TIMES.TARGET_DELAY_MS, duration: TIMES.TARGET_DURATION_MS * 0.2 },
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{ value: 0, delay: TIMES.TARGET_DURATION_MS * 0.6, duration: TIMES.TARGET_DURATION_MS * 0.2 },
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],
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easing: 'easeInOutSine',
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}));
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this.animations.push(anime({
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targets: ['#amplify path'],
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d: [{ value: altPath }],
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stroke: ['#3498db', '#a52a2a'],
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easing: 'easeInOutSine',
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delay: TIMES.TARGET_DELAY_MS,
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duration: TIMES.TARGET_DURATION_MS,
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}));
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this.animations.push(anime({
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targets: ['#amplifyFilter feTurbulence', '#amplifyFilter feDisplacementMap'],
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baseFrequency: 0.15,
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scale: 4,
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easing: 'easeInOutExpo',
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delay: TIMES.TARGET_DELAY_MS,
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duration: TIMES.TARGET_DURATION_MS,
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}));
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}
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// this is necessary because
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// skipping / timing / unmounting race conditions
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// can cause the animations to cut short, this will ensure the values are reset
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// because preact will recycle all these components
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componentWillUnmount() {
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for (let i = this.animations.length - 1; i >= 0; i--) {
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this.animations[i].reset();
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}
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}
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}
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module.exports = Amplify;
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