周末愉快——程序猿的浪漫css画玫瑰礼盒

Posted 杂学不精

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周末周末继续找轻松的话题,程序猿的小浪漫,css画玫瑰。

先上效果图

开花

开箱

体验地址:
http://120.27.68.231:9999/html/giftrose.html

盒子关键css说明

1、盒子父级设置三条关键属性。

transform-style: preserve-3d;   // 使被转换的子元素保留其 3D 转换
perspective: 400px;    // 设置元素被查看位置的视图
perspective-origin: 50% 0%;    // 这样您就能够改变 3D 元素的底部位置

2、底面,正方形,然后围绕X轴旋转90度。

3、左面/右面,长方形,定位在左面/右面,然后围绕Y轴旋转90度。

4、前面/后面,长方形,通过 translateY(-100px) translateZ(100px)平移到指定位置。

5、顶面两开的,顶面左边和顶面右边分别需要移动到对应位置,然后设置围绕点,之后在旋转使盒子盖上

6、打开动画,围绕Y轴旋转。

玫瑰关键css说明

1、同样玫瑰父级设置css

transform-style: preserve-3d;   // 使被转换的子元素保留其 3D 转换
perspective: 400px;    // 设置元素被查看位置的视图
perspective-origin: 50% 0%;    // 这样您就能够改变 3D 元素的底部位置

2、玫瑰花瓣如下设置颜色渐变,圆角底部50%,顶部35%,围绕底部中间旋转。

width: 100px;
height: 100px;
border-radius: 35% 35% 50% 50%;
transform-origin: center bottom;
background: repeating-linear-gradient(#ff3631, #d30a04 20%, #380000 100%);

3、一圈一圈的堆叠花瓣,使用平移和围绕Y轴旋转,此外还需要X轴旋转提供一些打开的感觉。

transform: rotateX(-20deg) rotateY(30deg) translateZ(45px) scale(0.8);

4、用scale和z-index,让其中间花瓣变小,距离远的被遮挡。

5、画花茎和叶子,叶子就很简单啦,围绕Z轴旋转就好了。

直接上代码

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0,
minimum-scale=1.0, maximum-scale=1.0, viewport-fit=cover, user-scalable=no">
  <title>to my love</title>
</head>
<body>
<div class="gift-rose">
  <div class="content">
    <div class="box">
      <div class="bottom"></div>
      <div class="left"></div>
      <div class="right"></div>
      <div class="front">To My Love</div>
      <div class="after"></div>
      <div id="boxTopLeft" class="top-left"></div>
      <div id="boxTopRight" class="top-right"></div>

      <div id="flower" class="flower">
        <div class="stem">
          <div class="leaf leaf1"></div>
          <div class="leaf leaf2"></div>
          <div class="leaf leaf3"></div>
          <div class="leaf leaf4"></div>
        </div>

        <div class="petal slice01"></div>
        <div class="petal slice02"></div>
        <div class="petal slice03"></div>

        <div class="petal slice11"></div>
        <div class="petal slice12"></div>
        <div class="petal slice13"></div>
        <div class="petal slice14"></div>

        <div class="petal slice21"></div>
        <div class="petal slice22"></div>
        <div class="petal slice23"></div>
        <div class="petal slice24"></div>
        <div class="petal slice25"></div>
        <div class="petal slice26"></div>

        <div class="petal slice31"></div>
        <div class="petal slice32"></div>
        <div class="petal slice33"></div>
        <div class="petal slice34"></div>
        <div class="petal slice35"></div>
        <div class="petal slice36"></div>
        <div class="petal slice37"></div>
        <div class="petal slice38"></div>

        <div class="petal slice41"></div>
        <div class="petal slice42"></div>
        <div class="petal slice43"></div>
        <div class="petal slice44"></div>
        <div class="petal slice45"></div>
        <div class="petal slice46"></div>
        <div class="petal slice47"></div>
        <div class="petal slice48"></div>
        <div class="petal slice49"></div>
        <div class="petal slice50"></div>
      </div>
    </div>
  </div>
</div>

<script>

  let boxTopLeft = document.getElementById(\'boxTopLeft\');
  let leftOpened = false;
  boxTopLeft.addEventListener("click", function (e) {
    if (leftOpened == true) {
      return;
    }
    leftOpened = true;

    boxTopLeft.classList.add("box-open-left-animation");

    setTimeout(() => {
      boxTopLeft.classList.add("box-open-left-animation-end");
    }, 1500)
  })

  let boxTopRight = document.getElementById(\'boxTopRight\');
  let rightOpened = false;
  boxTopRight.addEventListener("click", function (e) {
    if (rightOpened == true) {
      return;
    }
    rightOpened = true;

    boxTopRight.classList.add("box-open-right-animation");

    setTimeout(() => {
      boxTopRight.classList.add("box-open-right-animation-end");
    }, 1500)
  })

  let flower = document.getElementById(\'flower\');
  let flowerOpend = false;
  flower.addEventListener("click", function (e) {
    if (flowerOpend == true || leftOpened != true || rightOpened != true) {
      return;
    }
    flowerOpend = true;

    flower.classList.add("flower-animation");

    setTimeout(() => {
      flower.classList.add("flower-animation-end");
    }, 2000)
  })


</script>

<style>
  /*动画相关*/
  .box-open-left-animation {
    animation-name: box_open_left;
    animation-duration: 1.5s;
  }

  @keyframes box_open_left {
    0% {
      transform: rotateX(90deg) rotateY(0deg) translateZ(0px);
    }
    100% {
      transform: rotateX(90deg) rotateY(-160deg) translateZ(0px);
    }
  }

  .box-open-left-animation-end {
    transform: rotateX(90deg) rotateY(-160deg) translateZ(0px) !important;
  }

  .box-open-right-animation {
    animation-name: box_open_right;
    animation-duration: 1.5s;
  }

  @keyframes box_open_right {
    0% {
      transform: rotateX(90deg) rotateY(0deg) translateZ(0px);
    }
    100% {
      transform: rotateX(90deg) rotateY(160deg) translateZ(0px);
    }
  }

  .box-open-right-animation-end {
    transform: rotateX(90deg) rotateY(160deg) translateZ(0px) !important;
  }

  .flower-animation {
    animation-name: flower_animation;
    animation-duration: 2s;
  }

  @keyframes flower_animation {
    0% {
      transform: scale(0.25);
    }
    100% {
      transform: scale(1);
    }
  }

  .flower-animation-end {
    transform: scale(1) !important;
  }

</style>

<style>

  html, body {
    width: 100%;
    height: 100%;
    margin: 0;
  }

  * {
    box-sizing: border-box;
  }

  .gift-rose {
    width: 100%;
    height: 100%;
    box-sizing: content-box;
  }

  .gift-rose .content {
    width: 100%;
    height: 100%;
    position: relative;
  }

  .gift-rose .content .box {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10px;
    height: 400px;
    transform-style: preserve-3d;
    perspective: 400px;
    perspective-origin: 50% 0%;
  }

  .gift-rose .content .box .top-left {
    position: absolute;
    margin-left: -100px;
    bottom: 100px;
    left: 50%;
    width: 100px;
    height: 200px;
    background-color: #ffad60;
    border: 1px solid #666;
    transform-origin: left center;
    transform: rotateX(90deg) rotateY(0deg) translateZ(0px);
    z-index: 1000;
  }

  .gift-rose .content .box .top-right {
    position: absolute;
    margin-left: 0px;
    bottom: 100px;
    left: 50%;
    width: 100px;
    height: 200px;
    background-color: #ffad60;
    border: 1px solid #666;
    transform-origin: right center;
    transform: rotateX(90deg) rotateY(0deg) translateZ(0px);
    z-index: 1000;
  }

  .gift-rose .content .box .bottom {
    position: absolute;
    margin-left: -100px;
    bottom: 0px;
    left: 50%;
    width: 200px;
    height: 200px;
    background-color: #ffad60;
    border: 1px solid #666;
    transform: rotateX(90deg) rotateY(0deg) rotateZ(0deg) translateZ(0px);
    z-index: -100;
  }

  .gift-rose .content .box .right {
    position: absolute;
    margin-left: 0px;
    bottom: 100px;
    left: 50%;
    width: 200px;
    height: 100px;
    background-color: #ffad60;
    border: 1px solid #666;
    transform: rotateX(0deg) rotateY(90deg) rotateZ(0deg);
    z-index: -100;
  }

  .gift-rose .content .box .left {
    position: absolute;
    margin-left: -200px;
    bottom: 100px;
    left: 50%;
    width: 200px;
    height: 100px;
    background-color: #ffad60;
    border: 1px solid #666;
    transform: rotateX(0deg) rotateY(-90deg) rotateZ(0deg);
    z-index: -100;
  }

  .gift-rose .content .box .front {
    position: absolute;
    margin-left: -100px;
    bottom: 0px;
    left: 50%;
    width: 200px;
    height: 100px;
    background-color: #ffad60;
    border: 1px solid #666;
    transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) translateY(-100px) translateZ(100px);
    z-index: 1000;
    padding: 10px;
    font-size: 18px;
  }

  .gift-rose .content .box .after {
    position: absolute;
    margin-left: -100px;
    bottom: 0px;
    left: 50%;
    width: 200px;
    height: 100px;
    background-color: #ffad60;
    border: 1px solid #666;
    transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) translateY(-100px) translateZ(-100px);
    z-index: -100;
  }

  .gift-rose .content .flower {
    position: absolute;
    left: 0;
    bottom: 50px;
    overflow: hidden;
    width: 100%;
    height: 600px;
    transform-style: preserve-3d;
    perspective: 400px;
    perspective-origin: 50% 0%;
    transform-origin: center bottom;
    transform: scale(0.25);
  }

  .gift-rose .content .flower .stem {
    position: absolute;
    left: 50%;
    top: 200px;
    margin-left: -10px;
    width: 20px;
    height: 100%;
    background: linear-gradient(to right, #0f0 0%, #060 50%, #004b00 100%);
  }

  .gift-rose .content .flower .stem .leaf {
    position: absolute;
    border-radius: 50%;
  }

  .gift-rose .content .flower .stem .leaf1 {
    top: 40px;
    right: 20px;
    width: 100px;
    height: 40px;
    background: linear-gradient(to right, #0f0 0%, #060 70%, #004b00 100%);
    transform: rotateX(0deg) rotateY(0deg) rotateZ(30deg) translateZ(10px);
  }

  .gift-rose .content .flower .stem .leaf2 {
    top: 70px;
    left: 20px;
    width: 100px;
    height: 40px;
    background: linear-gradient(to left, #0f0 0%, #060 70%, #004b00 100%);
    transform: rotateX(0deg) rotateY(0deg) rotateZ(-30deg) translateZ(10px);
  }

  .gift-rose .content .flower .stem .leaf3 {
    top: 150px;
    right: 20px;
    width: 140px;
    height: 55px;
    z-index: 200;
    background: linear-gradient(to right, #0f0 0%, #060 70%, #004b00 100%);
    transform: rotateX(0deg) rotateY(0deg) rotateZ(30deg) translateZ(10px);
  }

  .gift-rose .content .flower .stem .leaf4 {
    top: 180px;
    left: 20px;
    width: 140px;
    height: 55px;
    z-index: 200;
    background: linear-gradient(to left, #0f0 0%, #060 70%, #004b00 100%);
    transform: rotateX(0deg) rotateY(0deg) rotateZ(-30deg) translateZ(10px);
  }

  .gift-rose .content .flower .petal {
    position: absolute;
    left: 50%;
    margin-left: -50px;
    top: 50px;
    width: 100px;
    height: 100px;
    border-radius: 35% 35% 50% 50%;
    transform-origin: center bottom;
    background: repeating-linear-gradient(#ff3631, #d30a04 20%, #380000 100%);
    overflow: hidden;
  }

  .gift-rose .content .flower .slice01 {
    transform: rotateX(-2deg) rotateY(0deg) translateY(-10px) translateZ(10px) scale(0.4);
    z-index: 590;
  }

  .gift-rose .content .flower .slice02 {
    transform: rotateX(-2deg) rotateY(120deg) translateY(-10px) translateZ(10px) scale(0.4);
    z-index: 580;
  }

  .gift-rose .content .flower .slice03 {
    transform: rotateX(-2deg) rotateY(240deg) translateY(-10px) translateZ(10px) scale(0.4);
    z-index: 580;
  }

  .gift-rose .content .flower .slice11 {
    transform: rotateX(-15deg) rotateY(15deg) translateZ(30px) scale(0.7);
    z-index: 690;
  }

  .gift-rose .content .flower .slice12 {
    transform: rotateX(-15deg) rotateY(105deg) translateZ(30px) scale(0.7);
    z-index: 680;
  }

  .gift-rose .content .flower .slice13 {
    transform: rotateX(-15deg) rotateY(195deg) translateZ(30px) scale(0.7);
    z-index: 460;
  }

  .gift-rose .content .flower .slice14 {
    transform: rotateX(-15deg) rotateY(285deg) translateZ(30px) scale(0.7);
    z-index: 680;
  }

  .gift-rose .content .flower .slice21 {
    transform: rotateX(-20deg) rotateY(30deg) translateZ(45px) scale(0.8);
    z-index: 790;
  }

  .gift-rose .content .flower .slice22 {
    transform: rotateX(-20deg) rotateY(90deg) translateZ(45px) scale(0.8);
    z-index: 780;
  }

  .gift-rose .content .flower .slice23 {
    transform: rotateX(-20deg) rotateY(150deg) translateZ(45px) scale(0.8);
    z-index: 360;
  }

  .gift-rose .content .flower .slice24 {
    transform: rotateX(-20deg) rotateY(210deg) translateZ(45px) scale(0.8);
    z-index: 340;
  }

  .gift-rose .content .flower .slice25 {
    transform: rotateX(-20deg) rotateY(270deg) translateZ(45px) scale(0.8);
    z-index: 360;
  }

  .gift-rose .content .flower .slice26 {
    transform: rotateX(-20deg) rotateY(330deg) translateZ(45px) scale(0.8);
    z-index: 780;
  }

  .gift-rose .content .flower .slice31 {
    transform: rotateX(-25deg) rotateY(45deg) translateZ(60px) scale(0.9);
    z-index: 890;
  }

  .gift-rose .content .flower .slice32 {
    transform: rotateX(-25deg) rotateY(90deg) translateZ(60px) scale(0.9);
    z-index: 880;
  }

  .gift-rose .content .flower .slice33 {
    transform: rotateX(-25deg) rotateY(135deg) translateZ(60px) scale(0.9);
    z-index: 260;
  }

  .gift-rose .content .flower .slice34 {
    transform: rotateX(-25deg) rotateY(180deg) translateZ(60px) scale(0.9);
    z-index: 240;
  }

  .gift-rose .content .flower .slice35 {
    transform: rotateX(-25deg) rotateY(225deg) translateZ(60px) scale(0.9);
    z-index: 220;
  }

  .gift-rose .content .flower .slice36 {
    transform: rotateX(-25deg) rotateY(270deg) translateZ(60px) scale(0.9);
    z-index: 240;
  }

  .gift-rose .content .flower .slice37 {
    transform: rotateX(-25deg) rotateY(315deg) translateZ(60px) scale(0.9);
    z-index: 860;
  }

  .gift-rose .content .flower .slice38 {
    transform: rotateX(-25deg) rotateY(360deg) translateZ(60px) scale(0.9);
    z-index: 880;
  }

  .gift-rose .content .flower .slice41 {
    transform: rotateX(-28deg) rotateY(24deg) translateZ(85px) scale(1);
    z-index: 999;
  }

  .gift-rose .content .flower .slice42 {
    transform: rotateX(-28deg) rotateY(60deg) translateZ(85px) scale(1);
    z-index: 990;
  }

  .gift-rose .content .flower .slice43 {
    transform: rotateX(-28deg) rotateY(96deg) translateZ(85px) scale(1);
    z-index: 80;
  }

  .gift-rose .content .flower .slice44 {
    transform: rotateX(-28deg) rotateY(132deg) translateZ(85px) scale(1);
    z-index: 170;
  }

  .gift-rose .content .flower .slice45 {
    transform: rotateX(-28deg) rotateY(168deg) translateZ(85px) scale(1);
    z-index: 160;
  }

  .gift-rose .content .flower .slice46 {
    transform: rotateX(-28deg) rotateY(204deg) translateZ(85px) scale(1);
    z-index: 150;
  }

  .gift-rose .content .flower .slice47 {
    transform: rotateX(-28deg) rotateY(240deg) translateZ(85px) scale(1);
    z-index: 160;
  }

  .gift-rose .content .flower .slice48 {
    transform: rotateX(-28deg) rotateY(276deg) translateZ(85px) scale(1);
    z-index: 970;
  }

  .gift-rose .content .flower .slice49 {
    transform: rotateX(-28deg) rotateY(312deg) translateZ(85px) scale(1);
    z-index: 980;
  }

  .gift-rose .content .flower .slice50 {
    transform: rotateX(-28deg) rotateY(348deg) translateZ(85px) scale(1);
    z-index: 990;
  }
</style>
</body>
</html>

谢谢阅读,原创不易,欢迎关注收藏点赞,也欢迎留言讨论。

30岁的程序员拥有20岁的浪漫,用Python画3D玫瑰送女朋友

1.天生丽质

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D

fig = plt.figure()
ax = fig.gca(projection='3d')
# 将相位向后移动了6*pi
[x, t] = np.meshgrid(np.array(range(25)) / 24.0, np.arange(0, 575.5, 0.5) / 575 * 20 * np.pi + 4*np.pi)
p = (np.pi / 2) * np.exp(-t / (8 * np.pi))
# 添加边缘扰动
change = np.sin(15*t)/150
# 将t的参数减少,使花瓣的角度变大
u = 1 - (1 - np.mod(3.3 * t, 2 * np.pi) / np.pi) ** 4 / 2 + change
y = 2 * (x ** 2 - x) ** 2 * np.sin(p)
r = u * (x * np.sin(p) + y * np.cos(p))
h = u * (x * np.cos(p) - y * np.sin(p))
c= cm.get_cmap('Reds')
surf = ax.plot_surface(r * np.cos(t), r * np.sin(t), h, rstride=1, cstride=1,
                       cmap= c, linewidth=0, antialiased=True)
plt.show()

2.姹紫嫣红

mport numpy as np
import matplotlib.pyplot as plt
from matplotlib import cm
from mpl_toolkits.mplot3d import Axes3D


fig = plt.figure()
ax = fig.gca(projection='3d')
[x, t] = np.meshgrid(np.array(range(25)) / 24.0, np.arange(0, 575.5, 0.5) / 575 * 17 * np.pi - 2 * np.pi)
p = (np.pi / 2) * np.exp(-t / (8 * np.pi))
u = 1 - (1 - np.mod(3.6 * t, 2 * np.pi) / np.pi) ** 4 / 2
y = 2 * (x ** 2 - x) ** 2 * np.sin(p)
r = u * (x * np.sin(p) + y * np.cos(p))
h = u * (x * np.cos(p) - y * np.sin(p))
surf = ax.plot_surface(r * np.cos(t), r * np.sin(t), h, rstride=1, cstride=1,
                       cmap=cm.gist_rainbow_r, linewidth=0, antialiased=True)
plt.show()

3.粉黛俏佳人

mport numpy as np
import matplotlib.pyplot as plt
from matplotlib import cm
from mpl_toolkits.mplot3d import Axes3D

fig = plt.figure()
ax = fig.gca(projection='3d')
[x, t] = np.meshgrid(np.array(range(25)) / 24.0, np.arange(0, 575.5, 0.5) / 575 * 30 * np.pi - 4*np.pi)
p = (np.pi / 2) * np.exp(-t / (8 * np.pi))
change = np.sin(20*t)/50
u = 1 - (1 - np.mod(3.3 * t, 2 * np.pi) / np.pi) ** 4 / 2 + change
y = 2 * (x ** 2 - x) ** 2 * np.sin(p)
r = u * (x * np.sin(p) + y * np.cos(p)) * 1.5
h = u * (x * np.cos(p) - y * np.sin(p))
c= cm.get_cmap('magma')
surf = ax.plot_surface(r * np.cos(t), r * np.sin(t), h, rstride=1, cstride=1,
                       cmap= c, linewidth=0, antialiased=True)
plt.show()

4.桃之夭夭

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
fig = plt.figure()
ax = fig.gca(projection='3d')
[x, t] = np.meshgrid(np.array(range(25)) / 24.0, np.arange(0, 575.5, 0.5) / 575 * 6 * np.pi - 4*np.pi)
p = (np.pi / 2) * np.exp(-t / (8 * np.pi))
change = np.sin(10*t)/20
u = 1 - (1 - np.mod(5.2 * t, 2 * np.pi) / np.pi) ** 4 / 2 + change
y = 2 * (x ** 2 - x) ** 2 * np.sin(p)
r = u * (x * np.sin(p) + y * np.cos(p)) * 1.5
h = u * (x * np.cos(p) - y * np.sin(p))
c= cm.get_cmap('spring_r')
surf = ax.plot_surface(r * np.cos(t), r * np.sin(t), h, rstride=1, cstride=1,
                       cmap= c, linewidth=0, antialiased=True)
plt.show()

5.思路步骤

以姹紫嫣红为例
1.
花的花瓣总是围绕中心轴生长,我们不妨将花看做一个中心旋转3D图。在此基础上建立柱状极坐标系。在极坐标系中,图像上的每个点有三个自由度(r,t,h)(其中t表示theta)
2.
观察花瓣生长规律,我们发现,其外边缘线在一条旋转内缩的曲线上。这条曲线里中心轴的距离r逐渐缩短,距离地平面h逐渐变高。且该曲线大概符合以下公式:

p = (np.pi / 2) * np.exp(-t / (8 * np.pi))
r = np.sin(p) 
h = np.cos(p)

3.
花瓣状乘类似于水滴状关于中心轴旋转。因此r和h都是关于模式u的函数:

u = 1 - (1 - np.mod(3.6 * t, 2 * np.pi) / np.pi) ** 4 / 2
r = u * np.sin(p) 
h = u * np.cos(p)

4.
为了图像更加真实,添加一个修正项y,使花瓣的形态向下凸,更接近真实生活:

y = 2 * (x ** 2 - x) ** 2 * np.sin(p)
r = u * (x * np.sin(p) + y * np.cos(p))
h = u * (x * np.cos(p) - y * np.sin(p))

5.
实际上我们画出来的不是花瓣的平面,而是一个个离散的点(总共25*1150 = 28750个),经过python的plot_surface逼近花瓣的面状:

[x, t] = np.meshgrid(np.array(range(25)) / 24.0, 
    np.arange(0, 575.5, 0.5) / 575 * 17 * np.pi - 2 * np.pi)

x,t是两个自变量,相当于参数方程中两个参数,最终表示为三维坐标系下的某点(rcos(θ),rsin(θ),h),x是在[0,25)上取的25个点,t是-2pi到15pi上取的1150个点,在3D图像中共计28750个点,绘制出的散点图通过python自带的函数连成曲面状。

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