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Sparks external code

This commit is contained in:
Greg Shuflin 2023-10-24 20:42:23 -07:00
parent 115191c3af
commit 9df26660b6
4 changed files with 271 additions and 0 deletions
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1
src/index.html
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@ -14,6 +14,7 @@
<li> <a href="./orbital-trails-extern-2/index.html">Orbital Trails 2 (theirs)</a>
<li> <a href="./orbital-trails/index.html">Orbital Trails (mine)</a>
<li> <a href="./bokeh/index.html">Bokeh effect (their)</a>
<li> <a href="./sparks/index.html">Sparks (theirs)</a>
</ul>
</body>
</html>

197
src/sparks/app.js Normal file
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@ -0,0 +1,197 @@
$(window).bind('load', function () {
const raf = function (entry) {
window.requestAnimationFrame(entry);
};
const random = function (min, max) {
max = max + 1;
return Math.floor(Math.random() * (max - min) + min);
}
var app = {
init: function () {
this.cacheDOM();
this.style();
},
cacheDOM: function () {
this.container = $('#container');
this.images = $('img');
this.mouseX = null;
this.mouseY = null;
},
style: function () {
this.images.imagesLoaded(function () {
$(window).resize(function initial() {
TweenMax.set(app.container, {
opacity: 1
});
return initial;
}());
});
},
cursorEvents: function (e) {
app.mouseX = e.clientX;
app.mouseY = e.clientY;
}
}
app.init();
var cContainer = $('#c-container'),
c = document.getElementById('c'),
c2Container = $('#c2-container'),
c2 = document.getElementById('c2'),
cx = c.getContext('2d'),
c2x = c2.getContext('2d'),
particleIndex = 0,
particles = {},
particleNum = 1,
particlesLoaded = false,
Particle,
Particle2,
canvas,
canvas2;
c.width = $('#c').outerWidth();
c.height = $('#c').outerHeight();
c2.width = $('#c2').outerWidth();
c2.height = $('#c2').outerHeight();
//INITIAL CANVAS DRAW
cx.fillStyle = 'rgba(0,0,0,1)';
cx.fillRect(0, 0, c.width, c.height);
c2x.fillStyle = 'rgba(0,0,0,1)';
c2x.fillRect(0, 0, c2.width, c2.height);
function particleFactory(thisCanvas, thisContext, thisParticleName, thisCanvasFunction) {
var particleIndex = 0,
particles = {},
particleNum = 2,
particlesLoaded = false;
thisParticleName = function () {
this.r = 8;
this.rStart = this.r;
this.rIncrement = this.r * -0.01;
this.x = thisCanvas.width / 2;
this.y = thisCanvas.height / 2;
this.vxIsNegative = random(1,2);
this.originTriggered = false;
this.vx = this.vxIsNegative === 1 ? random(0,50) * -0.1 : random(0,50) * 0.1;
this.vxMult = random(10,20) * 0.1;
this.vy = random(-10, 10);
this.vyMult = random(2,6) * -0.1;
this.opacityLimit = 1;
this.opacity = 1;
this.opacityIncrement = 0.05;
this.opacityReversing = false;
this.gravity = 1;
this.framerate = 0;
this.framerateCounter = this.framerate;
this.counter = 0;
particleIndex++;
particles[particleIndex] = this;
this.id = particleIndex;
this.life = 0;
this.maxLife = random(0, 100);
this.hue = random(30, 60);
this.light = random(50, 100);
this.color = `hsla(${this.hue},100%,${this.light}%,${this.opacity})`;
this.bounced = false;
this.duration = 60;
this.durationTotal = this.duration + this.opacityLimit * 10;
this.durationCounter = 0;
}
thisParticleName.prototype.draw = function () {
if ((!this.originTriggered) && (app.mouseX != null)) {
this.originTriggered = true;
this.x = app.mouseX;
this.y = app.mouseY;
}
this.color = `hsla(${this.hue},100%,${this.light}%,${this.opacity})`;
thisContext.fillStyle = this.color;
thisContext.beginPath();
thisContext.arc(this.x, this.y, this.r, 0, 2 * Math.PI);
thisContext.fill();
//START DRAW OPERATION
this.r += this.rIncrement;
this.x += this.vx;
this.y += this.vy;
this.durationCounter++;
if (this.vx === 0) {
this.vx++;
}
if (this.vxIsNegative === 1) {
this.vx
}
if (this.vy === 0) {
this.vy++;
}
if (this.y > thisCanvas.height - this.rStart) {
if (!this.bounced) {
this.vx *= this.vxMult;
} else {
this.vx *= 0.9;
}
this.bounced = true;
this.vy *= this.vyMult;
this.y = thisCanvas.height - this.rStart;
}
this.vy += this.gravity;
if ((this.r <= 0)) {
delete particles[this.id];
}
this.life++;
//END DRAW OPERATION
}
thisCanvasFunction = function () {
thisContext.globalCompositeOperation = 'source-over';
thisContext.fillStyle = 'rgba(0,0,0,1)';
thisContext.fillRect(0, 0, thisCanvas.width, thisCanvas.height);
if (!particlesLoaded) {
for (var i = 0; i < particleNum; i++) {
new thisParticleName();
}
}
thisContext.globalCompositeOperation = 'lighter';
for (var i in particles) {
particles[i].draw();
}
}
setInterval(thisCanvasFunction, 15);
}
$(window).resize(function initial() {
window.addEventListener('mousemove', app.cursorEvents, false);
c.width = $('#c').outerWidth();
c.height = $('#c').outerHeight();
c2.width = $('#c2').outerWidth();
c2.height = $('#c2').outerHeight();
return initial;
}());
particleFactory(c, cx, Particle, canvas);
particleFactory(c2, c2x, Particle2, canvas2);
TweenMax.set(c2Container, {
transformOrigin: 'center bottom',
scaleY: -1,
opacity: 1
});
TweenMax.set(c2, {
filter: 'blur(10px)'
});
});

25
src/sparks/index.html Normal file
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@ -0,0 +1,25 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Fizzy Sparks</title>
<link href="style.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.19.0/TimelineMax.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.19.0/TweenMax.min.js"></script>
<script src="https://code.jquery.com/jquery-2.2.4.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.imagesloaded/4.1.1/imagesloaded.pkgd.min.js"></script>
<script type="module" src="app.js"></script>
</head>
<body>
<div id="container">
<div id="c-container">
<canvas id="c">Sorry.</canvas>
</div>
<div id="c2-container">
<canvas id="c2">Sorry.</canvas>
</div>
</div>
</body>
</html>

48
src/sparks/style.css Normal file
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@import 'https://fonts.googleapis.com/css?family=Lato:100,100i,300,300i,400,400i,700,700i,900,900i';
body,
html {
margin: 0;
padding: 0;
font-family: 'Lato', sans-serif;
background-color: black;
overflow: hidden;
}
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
li {
margin: 0;
padding: 0;
}
#container {
width: 100vw;
height: 100vh;
position: relative;
float: left;
opacity: 0;
}
#c-container,
#c2-container {
width: 100vw;
height: 80vh;
position: absolute;
top: 0;
left: 0;
}
canvas {
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
}