十一、CSS3三角形不断放大特效

淩亂°似流年 2022-11-17 14:34 132阅读 0赞

### 文章目录 ###

*  十一、CSS3三角形不断放大特效
 *   *  11.1 图片预览
     *  11.2 index.html代码
     *  11.3 style.css代码

--------------------

# 十一、CSS3三角形不断放大特效 #

## 11.1 图片预览 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzUyOTE2NDA4_size_16_color_FFFFFF_t_70_pic_center]

## 11.2 index.html代码 ##

<!DOCTYPE html>
    <html lang="en">
    	<head>
    		<meta charset="UTF-8">
    		<title>CSS3三角形不断放大特效</title>
    		<link rel="stylesheet" href="css/style.css">
    	</head>
    	<body>
    		<div class="wrapper">
    			<svg class="triangle-canvas" viewBox="0 0 1000 1000" xmlns="http://www.w3.org/2000/svg">
    				<polygon class="triangle triangle-1" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-2" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-3" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-4" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-5" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-6" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-7" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-8" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-9" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-10" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-11" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-12" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-13" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-14" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-15" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-16" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-17" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-18" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-19" points="500,200 759,650 241,650" />
    				<polygon class="triangle triangle-20" points="500,200 759,650 241,650" />
    			</svg>
    		</div>
    	</body>
    </html>

## 11.3 style.css代码 ##

html { 
    	height: 100%;
    }
    
    body { 
    	padding: 0;
    	margin: 0;
    	height: 100%;
    	background: #642B73;
    	/* fallback for old browsers */
    	/* Chrome 10-25, Safari 5.1-6 */
    	background: linear-gradient(to left, #C6426E, #642B73);
    	/* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    }
    
    .wrapper { 
    	overflow: hidden;
    	position: absolute;
    	top: 0;
    	left: 0;
    	width: 100%;
    	height: 100%;
    }
    
    .triangle-canvas { 
    	position: absolute;
    	left: 50%;
    	top: 50%;
    	width: 100%;
    	height: 100%;
    	-webkit-transform: translate(-50%, -50%);
    	transform: translate(-50%, -50%);
    }
    
    .triangle { 
    	fill: none;
    	stroke: #fff;
    	stroke-width: 15;
    	-webkit-transform-origin: center center;
    	transform-origin: center center;
    	-webkit-animation: triangle-animation 10s linear infinite;
    	animation: triangle-animation 10s linear infinite;
    }
    
    .triangle-1 { 
    	-webkit-animation-delay: 0s;
    	animation-delay: 0s;
    }
    
    .triangle-2 { 
    	-webkit-animation-delay: -0.5s;
    	animation-delay: -0.5s;
    }
    
    .triangle-3 { 
    	-webkit-animation-delay: -1s;
    	animation-delay: -1s;
    }
    
    .triangle-4 { 
    	-webkit-animation-delay: -1.5s;
    	animation-delay: -1.5s;
    }
    
    .triangle-5 { 
    	-webkit-animation-delay: -2s;
    	animation-delay: -2s;
    }
    
    .triangle-6 { 
    	-webkit-animation-delay: -2.5s;
    	animation-delay: -2.5s;
    }
    
    .triangle-7 { 
    	-webkit-animation-delay: -3s;
    	animation-delay: -3s;
    }
    
    .triangle-8 { 
    	-webkit-animation-delay: -3.5s;
    	animation-delay: -3.5s;
    }
    
    .triangle-9 { 
    	-webkit-animation-delay: -4s;
    	animation-delay: -4s;
    }
    
    .triangle-10 { 
    	-webkit-animation-delay: -4.5s;
    	animation-delay: -4.5s;
    }
    
    .triangle-11 { 
    	-webkit-animation-delay: -5s;
    	animation-delay: -5s;
    }
    
    .triangle-12 { 
    	-webkit-animation-delay: -5.5s;
    	animation-delay: -5.5s;
    }
    
    .triangle-13 { 
    	-webkit-animation-delay: -6s;
    	animation-delay: -6s;
    }
    
    .triangle-14 { 
    	-webkit-animation-delay: -6.5s;
    	animation-delay: -6.5s;
    }
    
    .triangle-15 { 
    	-webkit-animation-delay: -7s;
    	animation-delay: -7s;
    }
    
    .triangle-16 { 
    	-webkit-animation-delay: -7.5s;
    	animation-delay: -7.5s;
    }
    
    .triangle-17 { 
    	-webkit-animation-delay: -8s;
    	animation-delay: -8s;
    }
    
    .triangle-18 { 
    	-webkit-animation-delay: -8.5s;
    	animation-delay: -8.5s;
    }
    
    .triangle-19 { 
    	-webkit-animation-delay: -9s;
    	animation-delay: -9s;
    }
    
    .triangle-20 { 
    	-webkit-animation-delay: -9.5s;
    	animation-delay: -9.5s;
    }
    
    @-webkit-keyframes triangle-animation { 
    	0% { 
    		-webkit-transform: scale(0) rotate(0deg);
    		transform: scale(0) rotate(0deg);
    		opacity: 1;
    	}
    
    	100% { 
    		-webkit-transform: scale(3) rotate(45deg);
    		transform: scale(3) rotate(45deg);
    		opacity: 0;
    	}
    }
    
    @keyframes triangle-animation { 
    	0% { 
    		-webkit-transform: scale(0) rotate(0deg);
    		transform: scale(0) rotate(0deg);
    		opacity: 1;
    	}
    
    	100% { 
    		-webkit-transform: scale(3) rotate(45deg);
    		transform: scale(3) rotate(45deg);
    		opacity: 0;
    	}
    }

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzUyOTE2NDA4_size_16_color_FFFFFF_t_70_pic_center]: /images/20221022/0489135feda0424ca5a401e7c3e3f28c.png