76 lines
2.4 KiB
JavaScript
76 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('lodash/times');
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const { TIMES, COLOURS } = require('../../constants');
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class Decay 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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return (
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<svg
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id='decay'
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class="skill-animation"
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version="1.1"
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xmlns="http://www.w3.org/2000/svg"
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viewBox="0 0 300 300">
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<defs>
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<filter id="decayFilter">
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<feGaussianBlur in="SourceGraphic" stdDeviation="3" />
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<feMerge>
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<feMergeNode />
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<feMergeNode in="SourceGraphic" />
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</feMerge>
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</filter>
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</defs>
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<g>
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{times(15, () => (
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<rect filter="url(#decayFilter)" class="blue" x="135" y="135" width="20" height="20" />
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))}
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</g>
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</svg>
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);
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}
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componentDidMount() {
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this.animations.push(anime({
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targets: ['#decay'],
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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: ['#decay rect'],
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stroke: [COLOURS.WHITE, COLOURS.BLUE],
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strokeWidth: [4, 2],
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transform: () => `
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translate(${anime.random(-120, 120)} ${anime.random(-120, 120)})
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rotate(${anime.random(-15, 15)})
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`,
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easing: 'easeOutSine',
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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 = Decay;
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