【前端】有趣的程序设计

2022-04-06 112

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简介： 七夕的朋友圈专用

大事件

一大早起来，逛逛朋友圈，看到的全是各种秀。唉，图片咱就不放了，难免戳中某位朋友瘦小的心灵，主要我也怕，你们知道叭

这种时候怎么能让我们的朋友圈是白茫茫的一片呢？必须怼回去，这气可不能受，下面的操作学会了，这波气势也不输，还不快快学起来~~

文件建立

桌面右击，新建文本文档

将文件命名格式修改为 .css ，保存， js 文件建立同理

3D立体相册

demo.css

html {
    background: #000;
    height: 100%;
}

.wrap {
    position: relative;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 200px;
    height: 200px;
    margin: auto;
}

.cube {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    transform-style: preserve-3d;
    transform: rotateX(-30deg) rotateY(-80deg);
    -webkit-animation: rotate 20s infinite;
    animation-timing-function: linear;
}

@-webkit-keyframes rotate {
    from {
        transform: rotateX(0deg) rotateY(0deg);
    }
    to {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

.cube div {
    position: absolute;
    width: 200px;
    height: 200px;
    opacity: 0.8;
    transition: all .4s;
}

.pic {
    width: 200px;
    height: 200px;
}

.cube .out_front {
    transform: rotateY(0deg) translateZ(100px);
}

.cube .out_back {
    transform: translateZ(-100px) rotateY(180deg);
}

.cube .out_left {
    transform: rotateY(90deg) translateZ(100px);
}

.cube .out_right {
    transform: rotateY(-90deg) translateZ(100px);
}

.cube .out_top {
    transform: rotateX(90deg) translateZ(100px);
}

.cube .out_bottom {
    transform: rotateX(-90deg) translateZ(100px);
}

.cube span {
    display: bloack;
    width: 100px;
    height: 100px;
    position: absolute;
    top: 50px;
    left: 50px;
}

.cube .in_pic {
    width: 100px;
    height: 100px;
}

.cube .in_front {
    transform: rotateY(0deg) translateZ(50px);
}

.cube .in_back {
    transform: translateZ(-50px) rotateY(180deg);
}

.cube .in_left {
    transform: rotateY(90deg) translateZ(50px);
}

.cube .in_right {
    transform: rotateY(-90deg) translateZ(50px);
}

.cube .in_top {
    transform: rotateX(90deg) translateZ(50px);
}

.cube .in_bottom {
    transform: rotateX(-90deg) translateZ(50px);
}

.cube:hover .out_front {
    transform: rotateY(0deg) translateZ(200px);
}

.cube:hover .out_back {
    transform: translateZ(-200px) rotateY(180deg);
}

.cube:hover .out_left {
    transform: rotateY(90deg) translateZ(200px);
}

.cube:hover .out_right {
    transform: rotateY(-90deg) translateZ(200px);
}

.cube:hover .out_top {
    transform: rotateX(90deg) translateZ(200px);
}

.cube:hover .out_bottom {
    transform: rotateX(-90deg) translateZ(200px);
}

效果展示

请添加图片描述

爱心表白

test.css

* {
    margin: 0;
    padding: 0;
    border: 0;
}

.icon-love {
    width: 400px;
}

html,
body {
    width: 100%;
    height: 100%;
}

body {
    overflow: hidden;
}

.container {
    width: 100%;
    height: 100%;
    position: relative;
}

.body_left {
    width: 300px;
    height: 300px;
    left: 0;
    bottom: 110px;
    position: absolute;
    z-index: 98;
}

.container .love {
    width: 520px;
    height: 440px;
    left: 50%;
    top: 50%;
    position: absolute;
    margin: -260px 0 0 -220px;
}

.love .block {
    right: 0;
    position: absolute;
    visibility: hidden;
    background-color: yellow;
}

.love .block div {
    width: 40px;
    height: 40px;
    position: absolute;
    background: url("../image/love.jpg") no-repeat;
    background-size: contain;
    box-sizing: border-box;
}

@keyframes border {
    0% {
        width: 0;
    }
    5% {
        width: 5%;
    }
    10% {
        width: 10%;
    }
    15% {
        width: 15%;
    }
    20% {
        width: 20%;
    }
    25% {
        width: 25%;
    }
    30% {
        width: 30%;
    }
    35% {
        width: 35%;
    }
    40% {
        width: 40%;
    }
    45% {
        width: 45%;
    }
    50% {
        width: 50%;
    }
    55% {
        width: 55%;
    }
    60% {
        width: 60%;
    }
    65% {
        width: 65%;
    }
    70% {
        width: 70%;
    }
    75% {
        width: 75%;
    }
    80% {
        width: 80%;
    }
    85% {
        width: 85%;
    }
    90% {
        width: 90%;
    }
    95% {
        width: 95%;
    }
    100% {
        width: 100%;
    }
}

.footer {
    bottom: 30px;
    position: relative;
    z-index: 99;
}

.footer .border .border-top {
    border-top: 3px solid black;
    transform-origin: left center;
    -webkit-animation: border 312 linear;
    -o-animation: border 12s linear;
    animation: border 12s linear;
    animation-fill-mode: both;
}

.footer .border .border-bottom {
    float: right;
    border-top: 3px solid red;
    transform-origin: right center;
    -webkit-animation: border 7s linear 12s;
    -o-animation: border 7s linear 12s;
    animation: border 7s linear 12s;
    animation-fill-mode: both;
}

.footer .copyright {
    width: 100%;
    height: 30px;
    position: absolute;
    bottom: -30px;
    text-align: center;
}

.copyright div {
    width: 30%;
    line-height: 30px;
    display: inline-block;
}

.copyright div span {
    color: dimgray;
}

Mylove.js

const blk_pitn = {
    block1: [[0, 1], [0, 0], [-1, 0], [-1, -1]],
    block2: [[0, 1], [0, 0], [-1, 0], [0, -1]],
    block3: [[-1, 1], [0, 0], [-1, 0], [-1, -1]],
    block4: [[0, 1], [0, 0], [-1, 0], [-1, -1]],
    block5: [[-1, 1], [0, 0], [-1, 0], [0, -1]],
    block6: [[0, -1], [0, 0], [-1, 0], [1, -1]],
    block7: [[-1, -1], [0, 0], [-1, 0], [1, 0]],
    block8: [[-1, 1], [0, 0], [-1, 0], [-1, -1]],
    block9: [[0, -1], [0, 0], [-1, 0], [1, 0]],
    block10: [[-1, 1], [0, 0], [-1, 0], [1, 0]],
    block11: [[2, 0], [0, 0], [-1, 0], [1, 0]],
    block12: [[0, 1], [0, 0], [-1, 0], [0, -1]],
    block13: [[0, 1], [0, 0], [-1, 0], [-1, -1]],
    block14: [[1, 1], [0, 0], [-1, 0], [1, 0]],
    block15: [[1, -1], [0, 0], [-1, 0], [1, 0]],
    block16: [[-1, -1], [0, 0], [-1, 0], [1, 0]],
    block17: [[0, 1], [0, 0], [-1, 0], [0, -1]],
    block18: [[0, 1], [0, 0], [-1, 0], [-1, -1]],
    block19: [[0, -1], [0, 0], [-1, 0], [1, 0]],
    block20: [[1, -1], [0, 0], [-1, 0], [1, 0]],
    block21: [[0, 1], [0, 0], [-1, 0], [-1, -1]],
    block22: [[1, 1], [0, 0], [-1, 0], [1, 0]],
    block23: [[0, 2], [0, 0], [0, -1], [0, 1]]
},
    offset_pitn = {
        block1: [5, 3],
        block2: [5, 1],
        block3: [3, 4],
        block4: [3, 2],
        block5: [3, -1],
        block6: [2, 5],
        block7: [2, 1],
        block8: [1, -1],
        block9: [1, -3],
        block10: [1, 2],
        block11: [0, 3],
        block12: [0, 0],
        block13: [-1, -4],
        block14: [0, -2],
        block15: [-2, 4],
        block16: [-2, 2],
        block17: [-2, 0],
        block18: [-3, -2],
        block19: [-4, 0],
        block20: [-3, 5],
        block21: [-5, 3],
        block22: [-4, 1],
        block23: [-6, 1]
    };

let blocks = document.getElementsByClassName("block"),
    block = blocks[0],
    love = document.getElementsByClassName("love")[0],
    timer = null,
    index = 0,
    clone_block;


block.style.top = "50%";
block.style.left = "50%";
block.style.margin = "-20px 0 0 -20px";

const block_left = parseFloat(window.getComputedStyle(block, null).left.slice(0, -2)),
    block_top = parseFloat(window.getComputedStyle(block, null).top.slice(0, -2));

function Next() {
    if (++index >= 24) {
        clearInterval(timer);

        Rise();
        return;
    }

    block.style.visibility = "visible";


    block.style.left = block_left + 40 * offset_pitn["block" + index][0] + "px";
    block.style.top = block_top - 40 * offset_pitn["block" + index][1] + "px";
    for (let i = 0; i < block.children.length; i++) {
        block.children[i].style.left = blk_pitn["block" + index][i][0] * -40 + "px";
        block.children[i].style.top = blk_pitn["block" + index][i][1] * -40 + "px";
    }

    clone_block = block.cloneNode(true);
    love.appendChild(clone_block);

    if (love.children.length >= 24) {
        blocks[blocks.length - 1].children[2].style.display = "none";
        block.style.display = "none";
    }
}

function Rise() {

    console.log("begin");
    let timer2 = null,
        distance = 0;

    const target = 120,
        speed = 1;


    let love_top = parseFloat(window.getComputedStyle(love, null).top.slice(0, -2));


    timer2 = setInterval(() => {
        distance += speed;
        if (distance >= target) {
            clearInterval(timer2);

            console.log("over");

        }

        love.style.top = (love_top - distance) + "px";

    }, 22);

}

window.onload = function () {
    setTimeout(() => {

        timer = setInterval(() => {
            Next();
        }, 300);


    }, 12000);
};