mnml/client/src/components/svgs/trippy.triangle.jsx
2019-06-11 17:52:33 +10:00

58 lines
1.7 KiB
JavaScript

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