59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
const preact = require('preact');
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const { Component } = require('preact');
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class TrippyTriangle extends Component {
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constructor() {
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super();
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this.state = { pct: 0, delta: 0 };
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this.progress = this.progress.bind(this);
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}
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render() {
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const { pct, delta } = this.state;
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return (
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<svg
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style={{
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transform: `rotate3d(0, 1, 0, ${delta * 0.2}rad) translate(0px, ${-7.5 * delta}px)`,
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}}
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class='skill-animation'
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version="1.1"
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id="Layer_1"
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xmlns="http://www.w3.org/2000/svg"
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viewBox="0 0 300 300">
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<g>
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<polygon class='blue' points={`0,190 100,${pct} 190,190`}/>
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<polygon class='blue' points={`40,170 100,${pct} 160,170`}/>
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<polygon class='blue' points={`70,150 100,${pct} 130,150`}/>
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</g>
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</svg>
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);
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}
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progress() {
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requestAnimationFrame(this.progress);
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this.now = window.performance.now();
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const elapsed = this.now - this.then;
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if (elapsed > this.fpsInterval) {
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this.then = this.now - (elapsed % this.fpsInterval);
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const delta = this.state.delta + Math.PI * 0.04;
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const pct = 75 + 15 * Math.sin(delta);
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this.setState({ pct, delta });
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}
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}
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componentDidMount() {
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const fps = 30;
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this.fpsInterval = 1000 / fps;
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this.then = window.performance.now();
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requestAnimationFrame(this.progress);
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}
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componentWillUnmount() {
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// clearAnimation(this.props.id);
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}
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}
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module.exports = TrippyTriangle;
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