2019-12-18 17:14:28 +10:00

132 lines
3.9 KiB
JavaScript

const preact = require('preact');
const { Component } = require('preact');
const anime = require('animejs').default;
const { TIMES } = require('../../constants');
function projectile(x, y, radius, colour) {
return (
<circle
cx={x}
cy={y}
stroke="none"
r={radius}
fill={colour}
/>
);
}
function sword(colour) {
return (
<polygon points='150,150 100,75, 150,300, 200,75' stroke="none" fill={colour} id="sword" filter="url(#slayFilter)"></polygon>
);
}
class Slay extends Component {
constructor() {
super();
this.animations = [];
this.colour = '#a52a2a';
const points = new Array(30).fill(0);
this.charges = points.map(() => projectile(150, 420, 7, '#1FF01F'));
}
render() {
return (
<svg
class={'skill-animation'}
version="1.1"
id="slay"
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 300 300">
<filter id="slayFilter">
<feGaussianBlur stdDeviation="4"/>
<feTurbulence type="turbulence" baseFrequency="0.001" numOctaves="3" result="turbulence"/>
<feDisplacementMap in2="turbulence" in="SourceGraphic" scale="1" xChannelSelector="A" yChannelSelector="A"/>
</filter>
{sword(this.colour)}
{this.charges}
</svg>
);
}
componentDidMount() {
let rotate = 0; // Self target value
if (this.props.direction.y) {
if (!this.props.direction.x) rotate = this.props.direction.y > 0 ? 0 : 180;
else {
rotate = this.props.direction.y > 0
? -Math.atan(this.props.direction.y / this.props.direction.x) * 180 / Math.PI
: -Math.atan(this.props.direction.y / this.props.direction.x) * 180 / Math.PI + 180;
}
} else if (this.props.direction.x) {
rotate = this.props.direction.x > 0 ? 270 : 90;
}
anime.set('#slay', {
rotate,
});
anime.set('#slay', {
translateY: -1 * (window.innerHeight) * 0.35,
translateX: 0,
});
anime.set('#slayFilter feDisplacementMap', {
scale: 0,
});
anime.set('#sword', {
fill: this.colour,
opacity: 1,
});
this.animations.push(anime({
targets: '#slay',
opacity: [
{ value: 1, duration: TIMES.TARGET_DURATION_MS * 0.2 },
{ value: 0, delay: TIMES.TARGET_DURATION_MS * 0.6, duration: TIMES.TARGET_DURATION_MS * 0.2 },
],
translateY: 0,
translateX: 0,
loop: false,
easing: 'easeInQuad',
}));
this.animations.push(anime({
targets: ['#slayFilter feTurbulence', '#slayFilter feDisplacementMap'],
baseFrequency: 10,
scale: 100,
delay: TIMES.TARGET_DURATION_MS * 0.6,
duration: TIMES.TARGET_DURATION_MS * 0.3,
easing: 'easeInQuad',
}));
this.animations.push(anime({
targets: '#sword',
opacity: 0,
delay: TIMES.TARGET_DURATION_MS * 0.9,
}));
const projectiles = document.querySelectorAll('#slay circle');
projectiles.forEach(proj => {
this.animations.push(anime({
targets: proj,
cx: Math.random() * 250 + 25,
cy: Math.random() * 200 - 100,
delay: TIMES.TARGET_DURATION_MS * 0.7,
duration: TIMES.TARGET_DURATION_MS * 0.3,
easing: 'easeInQuad',
}));
});
}
componentWillUnmount() {
for (let i = this.animations.length - 1; i >= 0; i--) {
this.animations[i].reset();
}
}
}
module.exports = Slay;