时间:2021-07-01 10:21:17 帮助过:11人阅读
https://github.com/comehope/front-end-daily-challenges
定义 dom,容器中包含场地,场地中再包含中线、中点、中圈、禁区、罚球点、罚球弧、球门区、角球区等元素:
- <div class="container">
- <div class="field">
- <span class="halfway-line"></span>
- <span class="centre-circle"></span>
- <span class="centre-mark"></span>
- <span class="penalty-area"></span>
- <span class="penalty-mark"></span>
- <span class="penalty-arc"></span>
- <span class="goal-area"></span>
- <span class="corner-arc"></span>
- </div>
- </div>
居中显示:
- body {
- margin: 0;
- height: 100vh;
- display: flex;
- align-items: center;
- justify-content: center;
- background: radial-gradient(sandybrown, maroon);
- }
定义容器尺寸:
- .container {
- width: 120em;
- height: 80em;
- background-color: green;
- font-size: 5px;
- }
- .container span {
- display: block;
- }
定义线型:
- .container {
- --line: 0.3em solid white;
- }
画出场地边线:
- .container {
- padding: 5em;
- }
- .field {
- width: inherit;
- height: inherit;
- border: var(--line);
- }
画出中线:
- .halfway-line {
- width: calc(120em / 2);
- height: 80em;
- border-right: var(--line);
- }
画出中圈:
- .field {
- position: relative;
- }
- .centre-circle {
- width: 20em;
- height: 20em;
- border: var(--line);
- border-radius: 50%;
- position: absolute;
- top: calc((80em - 20em) / 2);
- left: calc((120em - 20em - 0.3em) / 2);
- }
画出中点:
- .centre-mark {
- width: 2em;
- height: 2em;
- background-color: white;
- border-radius: 50%;
- position: absolute;
- top: calc(80em / 2 - 1em);
- left: calc(120em / 2 - 1em + 0.3em / 2);
- }
画出禁区:
- .penalty-area {
- width: 18em;
- height: 44em;
- border: var(--line);
- position: absolute;
- top: calc((80em - 44em) / 2);
- left: -0.3em;
- }
画出罚球点:
- .penalty-mark {
- width: 2em;
- height: 2em;
- background-color: white;
- border-radius: 50%;
- position: absolute;
- top: calc(80em / 2 - 1em);
- left: calc(12em - 1em);
- }
画出罚球弧:
- .penalty-arc {
- width: 20em;
- height: 20em;
- border: var(--line);
- border-radius: 50%;
- position: absolute;
- top: calc((80em - 20em) / 2);
- left: calc(12em - 20em / 2);
- }
隐藏罚球弧左侧弧线,只留右侧弧线:
- .field {
- z-index: 1;
- }
- .penalty-area {
- background-color: green;
- }
- .penalty-arc {
- z-index: -1;
- }
画出球门区:
- .goal-area {
- width: 6em;
- height: 20em;
- border: var(--line);
- position: absolute;
- top: calc((80em - 20em) / 2);
- left: -0.3em;
- }
画出角球区:
- .field {
- overflow: hidden;
- }
- .corner-arc::before,
- .corner-arc::after {
- content: '';
- position: absolute;
- width: 5em;
- height: 5em;
- border: 0.3em solid white;
- border-radius: 50%;
- --offset: calc(-5em / 2 - 0.3em);
- left: var(--offset);
- }
- .corner-arc::before {
- top: var(--offset);
- }
- .corner-arc::after {
- bottom: var(--offset);
- }
把 dom 中的子元素复制出一份,左右两侧各一份:
- <div class="container">
- <div class="field">
- <div class="left">
- <span class="halfway-line"></span>
- <span class="centre-circle"></span>
- <span class="centre-mark"></span>
- <span class="penalty-area"></span>
- <span class="penalty-mark"></span>
- <span class="penalty-arc"></span>
- <span class="goal-area"></span>
- <span class="corner-arc"></span>
- </div>
- <div class="right">
- <span class="halfway-line"></span>
- <span class="centre-circle"></span>
- <span class="centre-mark"></span>
- <span class="penalty-area"></span>
- <span class="penalty-mark"></span>
- <span class="penalty-arc"></span>
- <span class="goal-area"></span>
- <span class="corner-arc"></span>
- </div>
- </div>
- </div>
右侧的样式与左侧相同,只需要水平翻转即可:
- .right {
- position: absolute;
- top: 0;
- left: 50%;
- transform: rotateY(180deg);
- }
大功告成!
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