2019-07-02 16:46:02 +10:00

132 lines
4.0 KiB
JavaScript

const preact = require('preact');
const { Component } = require('preact');
const anime = require('animejs').default;
const { TIMES } = require('../../constants');
const { randomPoints } = require('../../utils');
const duration = TIMES.TARGET_DURATION_MS;
function projectile(x, y, radius, colour) {
return (
<circle
cx={x}
cy={y}
r={radius}
fill="url(#grad1)"
stroke-width="2"
stroke={colour}
id="projectile"
filter="url(#explosion)"
/>
);
}
class AttackCharge extends Component {
constructor(props) {
super();
this.animations = [];
const points = randomPoints(7, 30, { x: 0, y: 0, width: 300, height: 100 });
this.charges = points.map(coord => projectile(coord[0], coord[1], 14, '#A25AC1'));
}
render() {
return (
<svg
class={'skill-anim'}
version="1.1"
id="Layer_1"
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 300 400">
// {this.charges}
<defs>
<radialGradient id="grad1" cx="50%" cy="0%" r="85%" fx="50%" fy="50%">
<stop offset="0%" style="stop-color:#dba9a9;stop-opacity:0.6" />
<stop offset="100%" style={`stop-color:#A25AC1;stop-opacity:1`} />
</radialGradient>
</defs>
<filter id="explosion">
<feGaussianBlur stdDeviation="4"/>
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="3" result="turbulence"/>
<feDisplacementMap in2="turbulence" in="SourceGraphic" scale="1" xChannelSelector="A" yChannelSelector="A"/>
</filter>
{this.charges}
</svg>
);
}
componentDidMount() {
if (!this.props.team) {
anime.set('.skill-anim', {
rotate: Math.random() * 180 + 90,
});
} else {
anime.set('.skill-anim', {
rotate: Math.random() * 180 + 270,
});
}
const projectiles = document.querySelectorAll('#projectile');
projectiles.forEach(proj => {
const colour = Math.random() >= 0.5 ? '#a52a2a' : '#3498db';
anime.set(proj, {
stroke: colour,
});
});
anime.set('.skill-anim', {
translateY: -200,
translateX: 0,
opacity: 0,
});
anime.set('#explosion feDisplacementMap', {
scale: 1,
});
this.animations.push(anime({
targets: '.skill-anim',
opacity: [
{ value: 1, delay: TIMES.TARGET_DELAY_MS, duration: TIMES.TARGET_DURATION_MS * 0.3 },
{ value: 0, delay: TIMES.TARGET_DURATION_MS * 0.7, duration: TIMES.POST_SKILL_DURATION_MS },
],
}));
this.animations.push(anime({
targets: '.skill-anim',
translateY: 0,
translateX: 0,
loop: false,
delay: TIMES.TARGET_DELAY_MS,
duration: (duration * 1 / 2),
easing: 'easeInQuad',
}));
this.animations.push(anime({
targets: '#explosion feDisplacementMap',
scale: 75,
loop: false,
delay: (TIMES.TARGET_DELAY_MS + duration * 2 / 3),
duration: (duration * 1 / 3),
easing: 'easeInQuad',
}));
projectiles.forEach(proj => anime({
targets: proj,
cx: Math.random() * 250 + 25,
cy: Math.random() * 300 + 50,
delay: TIMES.TARGET_DELAY_MS,
duration: (duration * 2 / 3),
easing: 'easeInQuad',
}));
}
componentWillUnmount() {
for (let i = this.animations.length - 1; i >= 0; i--) {
this.animations[i].reset();
}
}
}
module.exports = AttackCharge;