1200字范文 > HTML5七夕情人节表白网页_生日快乐粒子烟花(自定义文字)_ HTML+CSS+JS 求婚 html生

HTML5七夕情人节表白网页_生日快乐粒子烟花(自定义文字)_ HTML+CSS+JS 求婚 html生

时间：2024-01-31 01:46:16

HTML5七夕情人节表白网页❤生日快乐粒子烟花(自定义文字)❤ HTML+CSS+JS 求婚 html生日快乐祝福代码网页 520情人节告白代码程序员表白源码抖音3D旋转相册 js烟花代码 css爱心表白

这是程序员表白系列中的100款网站表白之一，旨在让任何人都能使用并创建自己的表白网站给心爱的人看。此波共有100个表白网站，可以任意修改和使用，源码已上传，演示网址如下。

🧡文章末尾-已经附上源码下载地址

🧡作者主页-更多源码

🧡100款七夕情人节告白源码-专栏文章

作品介绍

1.网页作品简介：基于HTML+CSS+JavaScript 制作七夕情人节表白网页, 生日祝福, 七夕告白, 求婚, 浪漫爱情3D相册,炫酷代码,已经兼容手机端和电脑端, 快来制作一款高端的表白网页送(他/她)生日祝福网页,制作修改简单, 需替换图片和文字即可.可自行更换背景音乐。

2.网页作品编辑：任意HTML编辑软件（如：DW、HBuilder、NotePAD 、Vscode 、Sublime 、Webstorm、 Notepad++）均可修改网页。

文章目录

HTML5七夕情人节表白网页❤生日快乐粒子烟花(自定义文字)❤ HTML+CSS+JS 求婚 html生日快乐祝福代码网页 520情人节告白代码程序员表白源码抖音3D旋转相册 js烟花代码 css爱心表白作品介绍一、作品展示二、文件目录三、代码实现四、学习资料五、源码下载六、更多源码

一、作品展示

二、文件目录

三、代码实现

<!DOCTYPE html><html><head><meta charset="UTF-8" /><title></title></head><style type="text/css">body,html {margin: 0;width: 100%;overflow: hidden;background: #000000;}canvas {position: absolute;width: 100%;}.control {position: absolute;}.control input {border: 0;margin: 0;padding: 15px;outline: none;text-align: center;}.control button {border: 0;margin: 0;padding: 15px;outline: none;background: #333;color: #fff;}.control button:focus,.control button:hover {background: #222;}</style><scriptsrc="js/jquery.min.js"type="text/javascript"charset="utf-8"></script><body><div class="control" style="position: absolute"></div></body><script type="text/javascript">var can = document.createElement("canvas");document.body.appendChild(can);var ctx = can.getContext("2d");var Fireworks = function () {var self = this;var rand = function (rMi, rMa) {return ~~(Math.random() * (rMa - rMi + 1) + rMi);};var hitTest = function (x1, y1, w1, h1, x2, y2, w2, h2) {return !(x1 + w1 < x2 || x2 + w2 < x1 || y1 + h1 < y2 || y2 + h2 < y1);};self.init = function () {self.canvas = document.createElement("canvas");self.canvas.width = self.cw = $(window).innerWidth();self.canvas.height = self.ch = $(window).innerHeight();self.particles = [];self.partCount = 150;self.fireworks = [];self.mx = self.cw / 2;self.my = self.ch / 2;self.currentHue = 30;self.partSpeed = 5;self.partSpeedVariance = 10;self.partWind = 50;self.partFriction = 5;self.partGravity = 1;self.hueMin = 0;self.hueMax = 360;self.fworkSpeed = 4;self.fworkAccel = 10;self.hueVariance = 30;self.flickerDensity = 25;self.showShockwave = true;self.showTarget = false;self.clearAlpha = 25;$(document.body).append(self.canvas);self.ctx = self.canvas.getContext("2d");self.ctx.lineCap = "round";self.ctx.lineJoin = "round";self.lineWidth = 1;self.bindEvents();self.canvasLoop();self.canvas.onselectstart = function () {return false;};};self.createFireworks = function (startX, startY, targetX, targetY) {var newFirework = {x: startX,y: startY,startX: startX,startY: startY,hitX: false,hitY: false,coordLast: [{x: startX, y: startY },{x: startX, y: startY },{x: startX, y: startY },],targetX: targetX,targetY: targetY,speed: self.fworkSpeed,angle: Math.atan2(targetY - startY, targetX - startX),shockwaveAngle:Math.atan2(targetY - startY, targetX - startX) +90 * (Math.PI / 180),acceleration: self.fworkAccel / 100,hue: self.currentHue,brightness: rand(50, 80),alpha: rand(50, 100) / 100,lineWidth: self.lineWidth,};self.fireworks.push(newFirework);};self.canvasLoop = function () {window.requestAnimationFrame(self.canvasLoop, self.canvas);self.ctx.globalCompositeOperation = "destination-out";self.ctx.fillStyle = "rgba(0,0,0," + self.clearAlpha / 100 + ")";self.ctx.fillRect(0, 0, self.cw, self.ch);self.updateFireworks();self.updateParticles();self.drawFireworks();self.drawParticles();};self.drawParticles = function () {var i = self.particles.length;while (i--) {var p = self.particles[i];var coordRand = rand(1, 3) - 1;self.ctx.beginPath();self.ctx.moveTo(Math.round(p.coordLast[coordRand].x),Math.round(p.coordLast[coordRand].y));self.ctx.lineTo(Math.round(p.x), Math.round(p.y));self.ctx.closePath();self.ctx.strokeStyle ="hsla(" + p.hue + ", 100%, " + p.brightness + "%, " + p.alpha + ")";self.ctx.stroke();if (self.flickerDensity > 0) {var inverseDensity = 50 - self.flickerDensity;if (rand(0, inverseDensity) === inverseDensity) {self.ctx.beginPath();self.ctx.arc(Math.round(p.x),Math.round(p.y),rand(p.lineWidth, p.lineWidth + 3) / 2,0,Math.PI * 2,false);self.ctx.closePath();var randAlpha = rand(50, 100) / 100;self.ctx.fillStyle ="hsla(" +p.hue +", 100%, " +p.brightness +"%, " +randAlpha +")";self.ctx.fill();}}}};self.drawFireworks = function () {var i = self.fireworks.length;self.ctx.globalCompositeOperation = "lighter";while (i--) {var f = self.fireworks[i];self.ctx.lineWidth = f.lineWidth;var coordRand = rand(1, 3) - 1;self.ctx.beginPath();self.ctx.moveTo(Math.round(f.coordLast[coordRand].x),Math.round(f.coordLast[coordRand].y));self.ctx.lineTo(Math.round(f.x), Math.round(f.y));self.ctx.closePath();self.ctx.strokeStyle ="hsla(" + f.hue + ", 100%, " + f.brightness + "%, " + f.alpha + ")";self.ctx.stroke();if (self.showTarget) {self.ctx.save();self.ctx.beginPath();self.ctx.arc(Math.round(f.targetX),Math.round(f.targetY),rand(1, 8),0,Math.PI * 2,false);self.ctx.closePath();self.ctx.lineWidth = 1;self.ctx.stroke();self.ctx.restore();}if (self.showShockwave) {self.ctx.save();self.ctx.translate(Math.round(f.x), Math.round(f.y));self.ctx.rotate(f.shockwaveAngle);self.ctx.beginPath();self.ctx.arc(0, 0, 1 * (f.speed / 5), 0, Math.PI, true);self.ctx.strokeStyle ="hsla(" +f.hue +", 100%, " +f.brightness +"%, " +rand(25, 60) / 100 +")";self.ctx.lineWidth = f.lineWidth;self.ctx.stroke();self.ctx.restore();var vy = Math.sin(radians) * p.speed;p.speed *= p.friction;p.coordLast[2].x = p.coordLast[1].x;p.coordLast[2].y = p.coordLast[1].y;p.coordLast[1].x = p.coordLast[0].x;p.coordLast[1].y = p.coordLast[0].y;p.coordLast[0].x = p.x;p.coordLast[0].y = p.y;p.x += vx;p.y += vy;p.y += p.gravity;p.angle += p.wind;p.alpha -= p.decay;if (!hitTest(0,0,self.cw,self.ch,p.x - p.radius,p.y - p.radius,p.radius * 2,p.radius * 2) ||p.alpha < 0.05) {self.particles.splice(i, 1);}}};self.bindEvents = function () {$(self.canvas).on("mousedown", function (e) {self.mx = e.pageX - self.canvas.offsetLeft;self.my = e.pageY - self.canvas.offsetTop;self.currentHue = rand(self.hueMin, self.hueMax);self.createFireworks(self.cw / 2, self.ch, self.mx, self.my);});$(self.canvas).on("mouseup", function (e) {$(self.canvas).off("mousemove.fireworks");});};self.init();};function resize() {can.width = window.innerWidth;can.height = window.innerHeight;}const max_radius = 3;const min_radius = 1;//粒子大小const drag = 50;window.onresize = function () {resize();};function cfill() {ctx.fillStyle = "#000";ctx.fillRect(0, 0, can.width, can.height);ctx.fill();}resize();cfill();class Particle {constructor(pos, target, vel, color, radius) {this.pos = pos;this.target = target;this.vel = vel;this.color = color;this.radius = radius;this.direction = 0;}set(type, value) {this[type] = value;}update() {this.radius = 2;this.vel.x = (this.pos.x - this.target.x) / drag;this.vel.y = (this.pos.y - this.target.y) / drag;this.pos.x -= this.vel.x;this.pos.y -= this.vel.y;}draw() {ctx.beginPath();ctx.fillStyle = this.color;ctx.arc(this.pos.x, this.pos.y, this.radius, 0, Math.PI * 2);ctx.fill();}}var particles = [];var colors = ["#bf1337", "#f3f1f3", "#084c8d", "#f2d108", "#efd282"];var bool = true;var current = 0,i;function changeText(text) {var current = 0,temp,radius,color;ctx.fillStyle = "#fff";ctx.font = "160px 楷体";ctx.fillText(text,can.width * 0.5 - ctx.measureText(text).width * 0.5,can.height * 0.5 + 60);var data = ctx.getImageData(0, 0, can.width, can.height).data;cfill();for (i = 0; i < data.length; i += 12) {if (data[i] !== 0 && Math.random() * 10 >= 8.8) {radius = max_radius - Math.random() * min_radius;temp = {x: (i / 4) % can.width, y: i / 4 / can.width };color = colors[0];var p = new Particle(temp,{x: (i / 4) % can.width, y: i / 4 / can.width },{x: 0, y: 0 },color,radius);particles.push(p);++current;}}particles.splice(current, particles.length - current);}function draw(obj) {ctx.beginPath();ctx.arc(obj.target.x, obj.target.y, obj.radius, 0, 2 * Math.PI);ctx.fillStyle = obj.color;ctx.fill();}changeText("❤宝贝生日快乐!");var t = 0;var id;var fworks = new Fireworks();function init() {id = window.requestAnimationFrame(init);if (t >= particles.length - 1) {window.cancelAnimationFrame(id);}draw(particles[t]);t++;var rand = function (rMi, rMa) {return ~~(Math.random() * (rMa - rMi + 1) + rMi);};if (t % 5 == 0) {fworks.currentHue = rand(0, 360);fworks.createFireworks($(window).innerWidth() / 2,$(window).innerHeight(),particles[t].pos.x,particles[t].pos.y);}}init();</script></html>