西门老师 求源码素材～605370846@qq.com 谢谢?
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
*{ margin:0; padding:0;}
ul{ list-style: none;}
img{ display: block;}
#page1{ width:100vw; height: 100vh; background:url(./static/page1_bg.png) center; background-size: cover;}
#page1 .page1-lantern{ width:70px; height: 61px; background:url(./static/page1_lantern.png); background-size: cover; margin: 0 auto;}
#page1 .page1-frame{ width:200px; height:62px; background:url(./static/page1_frame.png); background-size:cover; margin:20px auto; line-height: 62px; text-align: center; color:white; font-weight: bold; font-size: 18px;}
#page1 .page1-text{ width:100px; height:301px; background:url(./static/page1_text.png); background-size:cover; margin:0 auto;}
#page1 .page1-fence{ width:100vw; height:150px; background:url(./static/page1_fence.png) center bottom; background-size:100%; position: absolute; bottom: 0;}
#page1 .page1-p1{ position: absolute; width:92px; height: 165px; background:url(./static/page1_p1.png); background-size:cover; left:50%; top:-35px; margin-left: -55px; transform-origin: center bottom; animation: 2s ease-in-out infinite prun -1s;}
#page1 .page1-p2{ position: absolute; width:135px; height: 174px; background:url('./static/page1_p2.png'); background-size: cover; left:5%; top:-50px; transform-origin: center bottom; animation: 2s ease-in-out infinite prun -1.5s;}
#page1 .page1-p3{ position: absolute; width:145px; height:145px; background:url(./static/page1_p3.png); background-size:cover; right:2%; top:-30px; transform-origin: center bottom; animation: 2s ease-in-out infinite prun;}
@keyframes prun {
0%{ transform: rotate(-2deg);}
50%{ transform: rotate(2deg);}
100%{ transform: rotate(-2deg);}
}
#music{ width:30px; height:30px; background:url(./static/music_icon.png); background-size:cover; position: absolute; right:10px; top:10px;}
#music.run{ animation: 2s linear infinite mrun;}
@keyframes mrun {
0%{ transform: rotate(0deg);}
100%{ transform: rotate(360deg);}
}
#page2{ display: none; width:100vw; height: 100vh; background:#b82a1e;}
#page3{ width:100vw; height:100vh; position: absolute; left:0; top:0; background:rgba(0,0,0,0.8); display: none;}
#page3 .page3-arrow{ width:150px; height:150px; background:url(./static/page3_arrow.png); background-size: cover; position: absolute; right:20px; top:20px; transform: rotate(60deg);}
#page3 .page3-rocket{ width:60px; height:131px; background:url(./static/page3_rocket.png); background-size: cover; margin-top:100px; margin-left:auto; margin-right:auto;}
#page3 p{ margin-top:20px; text-align: center; line-height: 30px; font-size:20px; color:white; font-weight: bold;}
</style>
</head>
<body>
<div id="page1">
<div class="page1-lantern"></div>
<div class="page1-frame">
12.31 23:59:5<span>5</span>
</div>
<div class="page1-text"></div>
<div class="page1-fence">
<div class="page1-p1"></div>
<div class="page1-p2"></div>
<div class="page1-p3"></div>
</div>
</div>
<div id="page2">
<canvas></canvas>
</div>
<div id="page3">
<div class="page3-arrow"></div>
<div class="page3-rocket"></div>
<p>
点击左上角<br>
分享到朋友圈
</p>
</div>
<div id="music">
<audio src="./static/music_bg.mp3" loop></audio>
</div>
<div id="fireSound">
<audio src="./static/fire_sound.mp3" loop></audio>
<audio src="./static/fire_sound.mp3" loop></audio>
<audio src="./static/fire_sound.mp3" loop></audio>
</div>
<script>
loadStatic(['./static/page2_text1.png','./static/page2_text2.png','./static/page2_text3.png','./static/page2_text4.png','./static/page2_text5.png','./static/page2_text6.png']).then((statics)=>{
musicBg();
countDown();
function musicBg(){
let music = document.querySelector('#music');
let musicAudio = music.querySelector('audio');
let fireSoundAudios = document.querySelectorAll('#fireSound audio');
musicAudio.volume = 0.2;
music.addEventListener('click',function(){
if(musicAudio.paused){
this.className = 'run';
musicAudio.play();
for(let i=0;i<fireSoundAudios.length;i++){
fireSoundAudios[i].play();
fireSoundAudios[i].muted = true;
fireSoundAudios[i].currentTime = i;
}
}
else{
this.className = '';
musicAudio.pause();
for(let i=0;i<fireSoundAudios.length;i++){
fireSoundAudios[i].pause();
}
}
});
}
function countDown(){
let countNumber = document.querySelector('.page1-frame span');
let page1 = document.querySelector('#page1');
let page2 = document.querySelector('#page2');
let timer = setInterval(()=>{
if(countNumber.innerHTML == 9){
clearInterval(timer);
page1.style.display = 'none';
page2.style.display = 'block';
initFires();
}
else{
countNumber.innerHTML = ++countNumber.innerHTML;
}
},1000);
}
function initFires(){
let page3 = document.querySelector('#page3');
let canvas = document.querySelector('#page2 canvas');
let ctx = canvas.getContext('2d');
let fireSoundAudios = document.querySelectorAll('#fireSound audio');
let width = window.innerWidth;
let height = window.innerHeight;
let balls = [];
let fires = [];
let textFires = [];
let timer = null;
let count = 0;
let ballsAll = 10;
let textsAll = 5;
let textsPos = [
{ x : width/4 , y : height/4 + 30 },
{ x : width/4 * 3 , y : height/4 - 30 },
{ x : width/2 , y : height/2 },
{ x : width/4 , y : height/4 * 3 },
{ x : width/4 * 3 , y : height/4 * 3 + 50 }
];
let points1 = getImagePoints(statics[0] , 4);
let points2 = [];
for(let i=1;i<statics.length;i++){
points2.push( getImagePoints(statics[i] , 4) );
}
canvas.width = width;
canvas.height = height;
timer = setInterval(()=>{
if(count == ballsAll){
clearInterval(timer);
count = 0;
timer = null;
//------------------------------------------------
balls.push(
new Ball({
x : width/2,
y : height,
vx : 0,
vy : -10,
end(){
if( this.vy > 1 ){
balls.splice( balls.indexOf(this) , 1 );
for(let i=0;i<60;i++){
let power = Math.random() * 10;
let vx = Math.cos(i*6*Math.PI/180) * power;
let vy = Math.sin(i*6*Math.PI/180) * power;
fires.push(
new Fire({
r : 3,
x : this.x,
y : this.y,
vx : vx,
vy : vy,
g : 0.05,
end(){
if(this.life < 10){
fires.splice( fires.indexOf(this) , 1 );
}
}
})
);
}
for(let i=0;i<points1.length;i++){
let power = 0.05;
let vx = (points1[i].x - points1.w/2) * power;
let vy = (points1[i].y - points1.h/2) * power;
textFires.push(
new TextFire({
x : this.x,
y : this.y,
vx : vx,
vy : vy,
g : 0.03,
life : 200,
r : 1,
end(){
if(this.life < 10){
textFires.splice( textFires.indexOf(this) , 1 );
}
}
})
);
}
timer = setInterval(()=>{
if( count == textsAll ){
clearInterval(timer);
count = 0;
timer = null;
setTimeout(()=>{
page3.style.display = 'block';
},5000);
}
else{
count++;
//---------------------------------------
let nowPos = textsPos.pop();
let power = 0.01;
let vx = (nowPos.x - width/2) * power;
let vy = (nowPos.y - height) * power;
balls.push(
new Ball({
x : width/2,
y : height,
r : 3,
vx : vx,
vy : vy,
tx : nowPos.x,
ty : nowPos.y,
index : count - 1,
g : 0,
end(){
if( this.y - this.ty < 0 ){
balls.splice( balls.indexOf(this) , 1 );
for(let i=0;i<60;i++){
let power = Math.random() * 10;
let vx = Math.cos(i*6*Math.PI/180) * power;
let vy = Math.sin(i*6*Math.PI/180) * power;
fires.push(
new Fire({
r : 1,
x : this.x,
y : this.y,
vx : vx,
vy : vy,
g : 0,
life : 300
})
);
}
for(let i=0;i<points2[this.index].length;i++){
let power = 0.05;
let vx = (points2[this.index][i].x - points2[this.index].w/2) * power;
let vy = (points2[this.index][i].y - points2[this.index].h/2) * power;
textFires.push(
new TextFire({
x : this.x,
y : this.y,
vx : vx,
vy : vy,
g : 0,
fs : 0.92,
life : 300,
r : 1
})
);
}
}
}
})
);
//---------------------------------------
}
},300);
}
}
})
);
//---------------------------------------------
}
else{
count++;
//--------------------------------------------
balls.push(
new Ball({
r : 3,
x : Math.random() * width/3 + width/3,
y : height,
vx : Math.random() * 2 - 1,
vy : - Math.random() * 2 - 9,
end(){
if( this.vy > 1 ){
balls.splice( balls.indexOf(this) , 1 );
let size = Math.random() * 10;
for(let i=0;i<60;i++){
let power = Math.random() * size;
let vx = Math.cos(i*6*Math.PI/180) * power;
let vy = Math.sin(i*6*Math.PI/180) * power;
fires.push(
new Fire({
r : 3,
x : this.x,
y : this.y,
vx : vx,
vy : vy,
g : 0.05,
end(){
if(this.life < 10){
fires.splice( fires.indexOf(this) , 1 );
}
}//end
})//fire
);//push
}//for
}
}
})
);
//-----------------------------------------------
}
},500);
loop();
function loop(){
if(balls.length){
for(let i=0;i<fireSoundAudios.length;i++){
fireSoundAudios[i].muted = false;
}
ctx.fillStyle = 'rgba(184,42,30,0.2)';
ctx.fillRect(0,0,width,height);
}
else{
for(let i=0;i<fireSoundAudios.length;i++){
fireSoundAudios[i].muted = true;
}
ctx.fillStyle = 'rgb(184,42,30)';
ctx.fillRect(0,0,width,height);
}
for(let i=0;i<balls.length;i++){
balls[i].update();
balls[i].render();
}
for(let i=0;i<fires.length;i++){
fires[i].update();
fires[i].render();
}
for(let i=0;i<textFires.length;i++){
textFires[i].update();
textFires[i].render();
}
requestAnimationFrame(loop);
}
class Ball {
constructor(options){
this.settings = Object.assign({
color : 'yellow',
r : 5,
g : 0.1,
end(){}
},options);
for(let attr in this.settings){
this[attr] = this.settings[attr];
}
}
update(){
this.x += this.vx;
this.y += this.vy;
this.vy += this.g;
}
render(){
ctx.beginPath();
ctx.fillStyle = this.color;
ctx.arc(this.x , this.y , this.r , 0 , 360 * Math.PI / 180 );
ctx.closePath();
ctx.fill();
this.end();
}
}
class Fire {
constructor(options){
this.settings = Object.assign({
color : 'yellow',
r : 5,
g : 0.1,
fs : 0.95,
life : 100,
end(){}
},options);
for(let attr in this.settings){
this[attr] = this.settings[attr];
}
}
update(){
this.x += this.vx;
this.y += this.vy;
this.vy += this.g;
this.vx *= this.fs;
this.vy *= this.fs;
if(this.life > 0 && this.life < 300){
this.life--;
}
}
render(){
ctx.beginPath();
ctx.fillStyle = this.color;
ctx.arc(this.x , this.y , this.r * Math.min(this.life , 100)/100 , 0 , 360 * Math.PI / 180 );
ctx.closePath();
ctx.fill();
this.end();
}
}
class TextFire {
constructor(options){
this.settings = Object.assign({
color : 'yellow',
r : 5,
g : 0.1,
fs : 0.95,
life : 100,
end(){}
},options);
for(let attr in this.settings){
this[attr] = this.settings[attr];
}
}
update(){
this.x += this.vx;
this.y += this.vy;
if(this.life < 100){
this.vy += this.g;
}
this.vx *= this.fs;
this.vy *= this.fs;
if(this.life > 0 && this.life < 300){
this.life--;
}
}
render(){
ctx.beginPath();
ctx.fillStyle = this.color;
ctx.arc(this.x , this.y , this.r * Math.min(this.life , 100)/100 , 0 , 360 * Math.PI / 180 );
ctx.closePath();
ctx.fill();
this.end();
}
}
function getImagePoints( img , level = 5 ){
let width = img.width;
let height = img.height;
let points = [];
let x = Math.floor(width/level);
let y = Math.floor(height/level);
let imgData = null;
ctx.clearRect(0,0,width,height);
ctx.beginPath();
ctx.drawImage(img , 0 , 0);
ctx.closePath();
imgData = ctx.getImageData(0,0,width,height);
ctx.clearRect(0,0,width,height);
points.w = width;
points.h = height;
for(let i=0;i<y;i++){
for(let j=0;j<x;j++){
let colors = getImageColor( imgData , j * level , i * level );
if( colors[0] == 255 ){
points.push({ x : j * level , y : i * level });
}
}
}
return points;
}
function getImageColor(imgData , x , y){
let w = imgData.width;
let h = imgData.height;
let d = imgData.data;
let colors = [];
colors[0] = d[ (y*w + x)*4 ];
colors[1] = d[ (y*w + x)*4 + 1 ];
colors[2] = d[ (y*w + x)*4 + 2 ];
colors[3] = d[ (y*w + x)*4 + 3 ];
return colors;
}
}
});
function loadStatic(arr){
let promises = [];
for(let i=0;i<arr.length;i++){
let promise = new Promise(function(resolve,reject){
let img = new Image();
img.src = arr[i];
img.onload = function(){
resolve(img);
};
});
promises.push(promise);
}
return Promise.all(promises);
}
</script>
</body>
</html>