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Mujinniao
232
cs/script.js
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232
cs/script.js
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var settings = {
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particles: {
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length: 500, // maximum amount of particles
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duration: 2, // particle duration in sec
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velocity: 100, // particle velocity in pixels/sec
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effect: -0.6, // play with this for a nice effect
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size: 28, // particle size in pixels
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},
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};
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(function () {
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var b = 0; var c = ["ms", "moz", "webkit", "o"]; for (var a = 0; a < c.length && !window.requestAnimationFrame; ++a) { window.requestAnimationFrame = window[c[a] + "RequestAnimationFrame"]; window.cancelAnimationFrame = window[c[a] + "CancelAnimationFrame"] || window[c[a] + "CancelRequestAnimationFrame"] } if (!window.requestAnimationFrame) { window.requestAnimationFrame = function (h, e) { var d = new Date().getTime(); var f = Math.max(0, 16 - (d - b)); var g = window.setTimeout(function () { h(d + f) }, f); b = d + f; return g } } if (!window.cancelAnimationFrame) { window.cancelAnimationFrame = function (d) { clearTimeout(d) } }
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}());
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/*
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* Point class
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*/
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var Point = (function () {
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function Point(x, y) {
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this.x = (typeof x !== 'undefined') ? x : 0;
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this.y = (typeof y !== 'undefined') ? y : 0;
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}
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Point.prototype.clone = function () {
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return new Point(this.x, this.y);
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};
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Point.prototype.length = function (length) {
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if (typeof length == 'undefined')
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return Math.sqrt(this.x * this.x + this.y * this.y);
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this.normalize();
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this.x *= length;
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this.y *= length;
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return this;
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};
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Point.prototype.normalize = function () {
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var length = this.length();
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this.x /= length;
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this.y /= length;
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return this;
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};
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return Point;
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})();
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/*
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* Particle class
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*/
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var Particle = (function () {
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function Particle() {
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this.position = new Point();
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this.velocity = new Point();
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this.acceleration = new Point();
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this.age = 0;
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}
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Particle.prototype.initialize = function (x, y, dx, dy) {
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this.position.x = x;
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this.position.y = y;
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this.velocity.x = dx;
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this.velocity.y = dy;
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this.acceleration.x = dx * settings.particles.effect;
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this.acceleration.y = dy * settings.particles.effect;
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this.age = 0;
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};
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Particle.prototype.update = function (deltaTime) {
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this.position.x += this.velocity.x * deltaTime;
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this.position.y += this.velocity.y * deltaTime;
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this.velocity.x += this.acceleration.x * deltaTime;
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this.velocity.y += this.acceleration.y * deltaTime;
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this.age += deltaTime;
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};
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Particle.prototype.draw = function (context, image) {
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function ease(t) {
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return (--t) * t * t + 1;
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}
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var size = image.width * ease(this.age / settings.particles.duration);
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context.globalAlpha = 1 - this.age / settings.particles.duration;
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context.drawImage(image, this.position.x - size / 2, this.position.y - size / 2, size, size);
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};
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return Particle;
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})();
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/*
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* ParticlePool class
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*/
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var ParticlePool = (function () {
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var particles,
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firstActive = 0,
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firstFree = 0,
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duration = settings.particles.duration;
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function ParticlePool(length) {
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// create and populate particle pool
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particles = new Array(length);
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for (var i = 0; i < particles.length; i++)
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particles[i] = new Particle();
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}
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ParticlePool.prototype.add = function (x, y, dx, dy) {
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particles[firstFree].initialize(x, y, dx, dy);
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// handle circular queue
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firstFree++;
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if (firstFree == particles.length) firstFree = 0;
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if (firstActive == firstFree) firstActive++;
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if (firstActive == particles.length) firstActive = 0;
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};
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ParticlePool.prototype.update = function (deltaTime) {
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var i;
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// update active particles
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if (firstActive < firstFree) {
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for (i = firstActive; i < firstFree; i++)
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particles[i].update(deltaTime);
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}
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if (firstFree < firstActive) {
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for (i = firstActive; i < particles.length; i++)
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particles[i].update(deltaTime);
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for (i = 0; i < firstFree; i++)
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particles[i].update(deltaTime);
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}
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// remove inactive particles
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while (particles[firstActive].age >= duration && firstActive != firstFree) {
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firstActive++;
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if (firstActive == particles.length) firstActive = 0;
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}
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};
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ParticlePool.prototype.draw = function (context, image) {
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// draw active particles
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if (firstActive < firstFree) {
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for (i = firstActive; i < firstFree; i++)
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particles[i].draw(context, image);
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}
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if (firstFree < firstActive) {
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for (i = firstActive; i < particles.length; i++)
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particles[i].draw(context, image);
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for (i = 0; i < firstFree; i++)
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particles[i].draw(context, image);
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}
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};
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return ParticlePool;
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})();
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/*
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* Putting it all together
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*/
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(function (canvas) {
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var context = canvas.getContext('2d'),
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particles = new ParticlePool(settings.particles.length),
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particleRate = settings.particles.length / settings.particles.duration, // particles/sec
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time;
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// get point on heart with -PI <= t <= PI
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function pointOnHeart(t) {
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return new Point(
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160 * Math.pow(Math.sin(t), 3),
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130 * Math.cos(t) - 50 * Math.cos(2 * t) - 20 * Math.cos(3 * t) - 10 * Math.cos(4 * t) + 25
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);
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}
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// creating the particle image using a dummy canvas
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var image = (function () {
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var canvas = document.createElement('canvas'),
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context = canvas.getContext('2d');
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canvas.width = settings.particles.size;
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canvas.height = settings.particles.size;
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// helper function to create the path
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function to(t) {
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var point = pointOnHeart(t);
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point.x = settings.particles.size / 2 + point.x * settings.particles.size / 350;
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point.y = settings.particles.size / 2 - point.y * settings.particles.size / 350;
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return point;
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}
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// create the path
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context.beginPath();
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var t = -Math.PI;
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var point = to(t);
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context.moveTo(point.x, point.y);
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while (t < Math.PI) {
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t += 0.01; // baby steps!
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point = to(t);
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context.lineTo(point.x, point.y);
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}
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context.closePath();
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// create the fill
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// context.fillStyle = '#c88ffe';
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context.fillStyle = '#ffc0cb';
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context.fill();
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// create the image
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var image = new Image();
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image.src = canvas.toDataURL();
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return image;
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})();
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// render that thing!
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function render() {
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// next animation frame
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requestAnimationFrame(render);
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// update time
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var newTime = new Date().getTime() / 1000,
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deltaTime = newTime - (time || newTime);
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time = newTime;
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// clear canvas
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context.clearRect(0, 0, canvas.width, canvas.height);
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// create new particles
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var amount = particleRate * deltaTime;
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for (var i = 0; i < amount; i++) {
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var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
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var dir = pos.clone().length(settings.particles.velocity);
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particles.add(canvas.width / 2 + pos.x, canvas.height / 2 - pos.y, dir.x, -dir.y);
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}
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// update and draw particles
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particles.update(deltaTime);
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particles.draw(context, image);
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}
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// handle (re-)sizing of the canvas
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function onResize() {
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canvas.width = canvas.clientWidth;
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canvas.height = canvas.clientHeight;
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}
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window.onresize = onResize;
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// delay rendering bootstrap
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setTimeout(function () {
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onResize();
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render();
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}, 10);
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})(document.getElementById('lovexf'));
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66
cs/style.css
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66
cs/style.css
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@@ -0,0 +1,66 @@
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* {
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padding: 0;
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margin: 0;
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}
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body {
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background: url(https://vkceyugu.cdn.bspapp.com/VKCEYUGU-dec470b0-fed6-46e5-be53-ec85fadc01be/b3997a29-3506-4fa5-9a54-57b967b1990a.webp) no-repeat center center;
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background-size: cover;
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height: 100vh;
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}
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body::after {
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content: '';
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display: block;
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position: absolute;
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width: 100%;
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height: 100vh;
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-webkit-background-color: rgba(0, 0, 0, .5);
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background-color: rgba(0, 0, 0, .5);
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}
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audio,
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.love_you {
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position: absolute;
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left: 50%;
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top: 1.5rem;
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-webkit-transform: translateX(-50%);
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transform: translateX(-50%);
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z-index: 1809185784;
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}
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.love_you {
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top: 45%;
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font-family: Georgia, 'Times New Roman', Times, serif;
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font-size: 1.3rem;
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font-weight: bold;
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color: #ffc0cb;
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letter-spacing: .05rem;
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-moz-animation: love-xf 1.2s alternate ease-in-out;
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-webkit-animation: love-xf 1.2s alternate ease-in-out;
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animation: love-xf 1.2s alternate ease-in-out;
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user-select: none;
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-webkit-text-shadow: 0 0 8px #fff;
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text-shadow: 0 0 8px #fff;
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}
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#lovexf {
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position: absolute;
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width: 100%;
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height: 100%;
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z-index: 520;
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}
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@keyframes love-xf {
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0% {
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opacity: 0.08;
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filter: blur(8px);
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letter-spacing: .1rem;
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}
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100% {
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opacity: 1;
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filter: blur(0);
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letter-spacing: .05rem;
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}
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}
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