制作一个简单的翻牌游戏, 使用HTML5/CSS3设计界面, Javascript翻牌对比; 麻雀虽小,五脏俱全, 此项目将CSS中常见的技术应用在项目中,使用JavaScript原生开发,设计简单,便于快速掌握CSS3和JavaScript的用法; 某些知识点再通过其它视频或文档去了解,事半功倍。
扑克牌正面数字
0. 之前的页面效果
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| <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>翻牌游戏</title> <style> @font-face { font-family: "蜘蛛"; src: url(fonts/恐怖蜘蛛.ttf) format("truetype"); } /* 盒子的计算方式 */ * { box-sizing: border-box; } /* 设置整个页面的字体,最小宽度和最小高度,单位使用vw,vh */ html { font-family: "蜘蛛", serif; min-width: 100vw; min-height: 100vh; }
body { margin: 0; background: radial-gradient(#F15F66, #7E2625); } /* 标题样式 */ .game-title { color: #EBD408; text-align: center; font-size: 4em; font-weight: normal; } /* 游戏信息文字样式 */ .game-info { color: #F0F4F7; font-size: 3em; } /* 游戏标题容器布局样式 */ .game-container { display: grid; grid-template-columns: repeat(4, auto); justify-content: center; gap: 10px; } /* 内部布局样式 */ .game-info-container { grid-column: 1 / -1; display: flex; justify-content: space-between; }
/* 扑克牌 */ .card { position: relative; /* 相对位置 */ height: 175px; /* 扑克牌高度 */ width: 125px; /* 扑克牌宽度 */
/* 测试用样式,后面删除 */ border: 1px white solid; } /* 扑克牌正面和背面通用样式, 两个div层需要重合,使用的是position:absolute */ .card-face { position: absolute; width: 100%; /* 相对于父元素宽度 也就是div.card */ height: 100%; /* 相对于父元素高度 也就是div.card */
/* 内部元素的排版布局方式为flex */ display: flex; justify-content: center; align-items: center; overflow: hidden;
/* 背面和正面的圆角设计 */ border-radius: 12px; border-width: 1px; border-style: solid; font-size: 7em;
/* 隐藏背面 */ /* backface-visibility: hidden; */ /* transform变换动画 */ transition: transform 500ms ease-in-out; }
.card-back { background-color: black; border: #FF6D11; } .card-front { background-color: #FFBB88; border-color: #333333; transform: rotateY(180deg); } .card:hover .card-back { /* transform: rotateY(-180deg); */ } .card:hover .card-front { /* transform: rotateY(0); */ }
/* 背面图片布局 */
/* 使用绝对位置 */ .cobweb { position: absolute; width: 45px; height: 45px;
/* 当高度和宽度变化时的动画 */ transition: width 100ms ease-in-out, height 100ms ease-in-out;
} /* 四个角上的图片 */ .cobweb-top-left { top: 0; left: 0; transform: rotate(270deg); } .cobweb-top-right { top: 0; right: 0; } .cobweb-bottom-left { bottom: 0; left: 0; transform: rotate(180deg); } .cobweb-bottom-right { bottom: 0; right: 0; transform: rotate(90deg); }
.spider { align-self: flex-start; transform: translateY(-20px);
/* 蜘蛛transform属性更改时的动画 */ transition: transform 100ms ease-in-out; }
/* 鼠标放在背面时.spider时transform的值改变 */ .card-back:hover .spider { transform: translateY(0); } /* 鼠标放在背面时.cobweb时width和height的值改变 */ .card-back:hover .cobweb { width: 55px; height: 55px; } </style> </head> <body> <!-- 游戏标题设计 --> <h1 class="game-title">翻牌游戏</h1>
<div class="game-container"> <div class="game-info-container"> <div class="game-info"> 倒计时: <span id="timeRemaining" class="time-remaining">60</span> </div> <div class="game-info"> 点击次数: <span id="clickCount" class="click-count">0</span> </div> </div>
<!-- 扑克牌 --> <div class="card" data-number="8" data-turn="back" onclick="handlerClick(this)"> <!-- 背面 --> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <!-- 数字面 ♠ ♥ ♣ ♦--> <div class="card-front card-face"> <div class="card red" data-value="8 ♠"></div> </div> </div>
</div>
</body> </html>
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注意在开发本节内容时注释之前的翻转功能
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.card:hover .card-back {
} .card:hover .card-front {
}
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1. 使用伪类和data-x 属性
- 在div.card中定义两个伪类 .card::before, .card::after 用于显示扑克牌数字
- 扑克牌页面代码中定义了data-value
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| <div class="card" data-number="8" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card red" data-value="8 ♠"></div> </div> </div>
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| .card::before, .card::after { content: attr(data-value); font-size: 2rem; }
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如图所示
2. 使用绝对布局
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| .card::before, .card::after { content: attr(data-value); font-size: 2rem; position: absolute; }
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如图所示
3. 定义伪类content的位置
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| .card::before { top:.1rem; left: .1rem; } .card::after { bottom: .1rem; right: .1rem; transform: rotate(180deg); }
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如图所示: 可以看到图中的效果和我们想要的有些不同,放在了右上角和左下角,这是因为沿着Y轴有旋转
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| .card-front { background-color: #FFBB88; border-color: #333333; }
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4. 定义中间的花色标识
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| <div class="card-front card-face"> <div class="card black" data-value="8 ♠"> <div>♠</div> </div> </div>
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| .card { color: black; display: flex; justify-content: center; align-items: center; } .red { color: red; } .black { color: black; }
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如图所示:
5. 重复定义多个HTML,显示多张扑克牌
- 注意花色和数字需要更改, 去掉一些注释,比如沿Y轴旋转,还有边框的辅助样式
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| <div class="card" data-number="8" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card black" data-value="8 ♠"> <div>♠</div> </div> </div> </div>
<div class="card" data-number="9" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card black" data-value="9 ♣"> <div>♣</div> </div> </div> </div>
<div class="card" data-number="10" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card red" data-value="10 ♥"> <div>♥</div> </div> </div> </div>
<div class="card" data-number="4" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card red" data-value="4 ♦"> <div>♦</div> </div> </div> </div>
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6. 最后完成的效果
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| <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>翻牌游戏</title> <style> @font-face { font-family: "蜘蛛"; src: url(fonts/恐怖蜘蛛.ttf) format("truetype"); } * { box-sizing: border-box; } html { font-family: "蜘蛛", serif; min-width: 100vw; min-height: 100vh; }
body { margin: 0; background: radial-gradient(#F15F66, #7E2625); } .game-title { color: #EBD408; text-align: center; font-size: 4em; font-weight: normal; } .game-info { color: #F0F4F7; font-size: 3em; } .game-container { display: grid; grid-template-columns: repeat(4, auto); justify-content: center; gap: 10px; } .game-info-container { grid-column: 1 / -1; display: flex; justify-content: space-between; }
.card { position: relative; height: 175px; width: 125px;
} .card-face { position: absolute; width: 100%; height: 100%;
display: flex; justify-content: center; align-items: center; overflow: hidden;
border-radius: 12px; border-width: 1px; border-style: solid; font-size: 7em;
backface-visibility: hidden; transition: transform 500ms ease-in-out; }
.card-back { background-color: black; border: #FF6D11; } .card-front { background-color: #FFBB88; border-color: #333333; transform: rotateY(180deg); } .card:hover .card-back { transform: rotateY(-180deg); } .card:hover .card-front { transform: rotateY(0); }
.cobweb { position: absolute; width: 45px; height: 45px;
transition: width 100ms ease-in-out, height 100ms ease-in-out;
} .cobweb-top-left { top: 0; left: 0; transform: rotate(270deg); } .cobweb-top-right { top: 0; right: 0; } .cobweb-bottom-left { bottom: 0; left: 0; transform: rotate(180deg); } .cobweb-bottom-right { bottom: 0; right: 0; transform: rotate(90deg); }
.spider { align-self: flex-start; transform: translateY(-20px);
transition: transform 100ms ease-in-out; }
.card-back:hover .spider { transform: translateY(0); } .card-back:hover .cobweb { width: 55px; height: 55px; }
.card::before, .card::after { content: attr(data-value); font-size: 2rem; position: absolute; }
.card::before { top:.1rem; left: .1rem; } .card::after { bottom: .1rem; right: .1rem; transform: rotate(180deg); }
.card { display: flex; justify-content: center; align-items: center; } .black { color: black; } .red { color:red } </style> </head> <body> <h1 class="game-title">翻牌游戏</h1>
<div class="game-container"> <div class="game-info-container"> <div class="game-info"> 倒计时: <span id="timeRemaining" class="time-remaining">60</span> </div> <div class="game-info"> 点击次数: <span id="clickCount" class="click-count">0</span> </div> </div>
<div class="card" data-number="8" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card black" data-value="8 ♠"> <div>♠</div> </div> </div> </div>
<div class="card" data-number="9" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card black" data-value="9 ♣"> <div>♣</div> </div> </div> </div>
<div class="card" data-number="10" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card red" data-value="10 ♥"> <div>♥</div> </div> </div> </div>
<div class="card" data-number="4" data-turn="back" onclick="handlerClick(this)"> <div class="card-back card-face"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-top-right"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-left"> <img src="imgs/Cobweb.png" class="cobweb cobweb-bottom-right"> <img src="imgs/Spider.png" class="spider"> </div> <div class="card-front card-face"> <div class="card red" data-value="4 ♦"> <div>♦</div> </div> </div> </div>
</div>
</body> </html>
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最终的效果就完成了,可以多复制几份,然后更改一下数字和花色即可;下一篇将使用js实现扑克牌的比较