forked from MountainLinuxClub/website
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5 Commits
master
...
finndersbr
Author | SHA1 | Date |
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Finnder | 3fad7d6a74 | |
Finnder | 345fa47f59 | |
Finnder | 1b65e804df | |
Finnder | dcfe36f20d | |
Finnder | 1dddcf6a8b |
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const STAR_COLOR = 'white';
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const STAR_SIZE = 4;
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const STAR_MIN_SCALE = 0.2;
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const OVERFLOW_THRESHOLD = 50;
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const STAR_COUNT = ( window.innerWidth + window.innerHeight ) / 8;
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const canvas = document.querySelector( 'canvas' ),
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context = canvas.getContext( '2d' );
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let scale = 1, // device pixel ratio
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width,
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height;
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let stars = [];
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let pointerX,
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pointerY;
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let velocity = { x: 0, y: 0, tx: 0, ty: 0, z: 0.2 };
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let entryTime = 2000
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let cruiseSpeed = 0.01
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let showContentSpeed = 0.02
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let maincontent = document.getElementsByClassName("content")[0]
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function arrival(){
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maincontent.style.opacity = 0.0
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console.log("🚀 - Next Destination: Linux Club ")
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setTimeout(() => {
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console.log("🚀 - Initiating Cruise Mode...")
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let landing = setInterval(() =>
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{
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if(velocity.z >= cruiseSpeed)
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{
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velocity.z -= 0.01
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} else {
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clearInterval(landing)
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console.log("%c🚀 - Cruise Mode Activated! ", "background: rgb(40, 40, 40); color: yellow; font-weight: bold")
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x = showContentSpeed
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let showContent = setInterval(() => {
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if(maincontent.style.opacity < 1){
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x += showContentSpeed
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maincontent.style.opacity = x.toString()
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} else {
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clearInterval(showContent)
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}
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}, 100)
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}
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}, 125)
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}, entryTime)
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}
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let touchInput = false;
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arrival();
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generate();
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resize();
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step();
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window.onresize = resize;
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/* Mouse moving functionality
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canvas.onmousemove = onMouseMove;
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canvas.ontouchmove = onTouchMove;
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canvas.ontouchend = onMouseLeave;
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document.onmouseleave = onMouseLeave;
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*/
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function generate() {
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for( let i = 0; i < STAR_COUNT; i++ ) {
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stars.push({
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x: 0,
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y: 0,
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z: STAR_MIN_SCALE + Math.random() * ( 1 - STAR_MIN_SCALE )
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});
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}
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}
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function placeStar( star ) {
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star.x = Math.random() * width;
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star.y = Math.random() * height;
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}
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function recycleStar( star ) {
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let direction = 'z';
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let vx = Math.abs( velocity.x ),
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vy = Math.abs( velocity.y );
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if( vx > 1 || vy > 1 ) {
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let axis;
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if( vx > vy ) {
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axis = Math.random() < vx / ( vx + vy ) ? 'h' : 'v';
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}
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else {
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axis = Math.random() < vy / ( vx + vy ) ? 'v' : 'h';
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}
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if( axis === 'h' ) {
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direction = velocity.x > 0 ? 'l' : 'r';
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}
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else {
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direction = velocity.y > 0 ? 't' : 'b';
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}
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}
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star.z = STAR_MIN_SCALE + Math.random() * ( 1 - STAR_MIN_SCALE );
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if( direction === 'z' ) {
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star.z = 0.1;
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star.x = Math.random() * width;
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star.y = Math.random() * height;
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}
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else if( direction === 'l' ) {
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star.x = -OVERFLOW_THRESHOLD;
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star.y = height * Math.random();
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}
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else if( direction === 'r' ) {
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star.x = width + OVERFLOW_THRESHOLD;
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star.y = height * Math.random();
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}
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else if( direction === 't' ) {
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star.x = width * Math.random();
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star.y = -OVERFLOW_THRESHOLD;
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}
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else if( direction === 'b' ) {
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star.x = width * Math.random();
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star.y = height + OVERFLOW_THRESHOLD;
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}
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}
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function resize() {
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scale = window.devicePixelRatio || 1;
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width = window.innerWidth * scale;
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height = window.innerHeight * scale;
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canvas.width = width;
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canvas.height = height;
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stars.forEach( placeStar );
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}
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function step() {
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context.clearRect( 0, 0, width, height );
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update();
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render();
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requestAnimationFrame( step );
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}
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function update() {
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velocity.tx *= 0.96;
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velocity.ty *= 0.96;
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velocity.x += ( velocity.tx - velocity.x ) * 0.8;
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velocity.y += ( velocity.ty - velocity.y ) * 0.8;
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stars.forEach( ( star ) => {
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star.x += velocity.x * star.z;
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star.y += velocity.y * star.z;
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star.x += ( star.x - width/2 ) * velocity.z * star.z;
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star.y += ( star.y - height/2 ) * velocity.z * star.z;
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star.z += velocity.z;
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// recycle when out of bounds
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if( star.x < -OVERFLOW_THRESHOLD || star.x > width + OVERFLOW_THRESHOLD || star.y < -OVERFLOW_THRESHOLD || star.y > height + OVERFLOW_THRESHOLD ) {
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recycleStar( star );
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}
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} );
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}
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function render() {
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stars.forEach( ( star ) => {
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context.beginPath();
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context.lineCap = 'round';
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context.lineWidth = STAR_SIZE * star.z * scale;
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context.globalAlpha = 0.5 + 0.5*Math.random();
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context.strokeStyle = STAR_COLOR;
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context.beginPath();
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context.moveTo( star.x, star.y );
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var tailX = velocity.x * 2,
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tailY = velocity.y * 2;
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// stroke() wont work on an invisible line
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if( Math.abs( tailX ) < 0.1 ) tailX = 0.5;
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if( Math.abs( tailY ) < 0.1 ) tailY = 0.5;
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context.lineTo( star.x + tailX, star.y + tailY );
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context.stroke();
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} );
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}
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function movePointer( x, y ) {
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if( typeof pointerX === 'number' && typeof pointerY === 'number' ) {
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let ox = x - pointerX,
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oy = y - pointerY;
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velocity.tx = velocity.tx + ( ox / 8*scale ) * ( touchInput ? 1 : -1);
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velocity.ty = velocity.ty + ( oy / 8*scale ) * ( touchInput ? 1 : -1 );
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}
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pointerX = x;
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pointerY = y;
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}
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function onMouseMove( event ) {
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touchInput = false;
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movePointer( event.clientX, event.clientY );
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}
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function onTouchMove( event ) {
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touchInput = true;
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movePointer( event.touches[0].clientX, event.touches[0].clientY, true );
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event.preventDefault();
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}
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function onMouseLeave() {
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pointerX = null;
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pointerY = null;
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}
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@ -0,0 +1,22 @@
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<!DOCTYPE html>
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<html>
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<head>
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<title>Linux Club Official</title>
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</head>
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<body>
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<canvas>BG NOT SUPPORTED</canvas>
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<div align="center" class="content">
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<h1>Linux Club 😎</h1>
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<h5>The superior OS, if you disagree you're wrong 😈</h5>
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<br>
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<br>
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<br>
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<br>
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<img src="https://i.imgflip.com/697bub.jpg" title="made at imgflip.com" width="340" height="400"/>
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</div>
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</body>
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<script src="./bg.js"></script>
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<script src="./index.js"></script>
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<link rel="stylesheet" href="./style.css">
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</html>
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@ -0,0 +1,21 @@
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body {
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background-color: rgb(25, 25, 25);
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font-family: 'Roboto Mono', monospace;
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color: white;
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}
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h1 {
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font-size: calc(60px + 1vw);
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}
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h5 {
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font-size: calc(5px + 0.5vw);
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}
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canvas {
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position: fixed;
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width: 100%;
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height: 100%;
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}
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@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@300&display=swap');
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