canvas繪制奧運五環代碼分享

來源：懂視網責編：小采時間：2020-11-27 15:07:28

canvas繪制奧運五環代碼分享

canvas繪制奧運五環代碼分享:運行效果：<!DOCTYPE html> <html> <head> </head> <body> <canvas id="drawing" width="800" height="600">A drawing of so

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導讀canvas繪制奧運五環代碼分享:運行效果：<!DOCTYPE html> <html> <head> </head> <body> <canvas id="drawing" width="800" height="600">A drawing of so

運行效果：

<!DOCTYPE html>
<html>
<head>
</head>
<body>
<canvas id="drawing" width="800" height="600">A drawing of someing!</canvas>
 <script type="text/javascript">var drawing = document.getElementById('drawing');if(drawing.getContext) {//繪制奧運五環，畫圓var context = drawing.getContext('2d');
 context.lineWidth = 7;
 context.strokeStyle = '#0180C3';
 context.beginPath();
 context.arc(70, 70, 40, 0, 2*Math.PI, false);
 context.stroke();
 context.strokeStyle = '#000';
 context.beginPath();
 context.arc(160, 70, 40, 0, 2*Math.PI, false);
 context.stroke();
 context.strokeStyle = '#BF0628';
 context.beginPath();
 context.arc(250, 70, 40, 0, 2*Math.PI, false);
 context.stroke();
 context.strokeStyle = '#EBC41F';
 context.beginPath();
 context.arc(115, 110, 40, 0, 2*Math.PI, false);
 context.stroke();
 context.strokeStyle = '#198E4A';
 context.beginPath();
 context.arc(205, 110, 40, 0, 2*Math.PI, false);
 context.stroke();//環環相扣，畫弧（實現相關圓弧的覆蓋）context.strokeStyle = '#0180C3';
 context.beginPath();
 context.arc(70, 70, 40, 1.9*Math.PI, 2.1*Math.PI, false);
 context.stroke();
 context.strokeStyle = '#000';
 context.beginPath();
 context.arc(160, 70, 40, 1.9*Math.PI, 2.1*Math.PI, false);
 context.stroke();
 context.beginPath();
 context.arc(160, 70, 40, 0.5*Math.PI, 0.7*Math.PI, false);
 context.stroke();
 context.strokeStyle = '#BF0628';
 context.beginPath();
 context.arc(250, 70, 40, 0.5*Math.PI, 0.7*Math.PI, false);
 context.stroke();
 }</script>
</body>
</html>

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canvas繪制奧運五環代碼分享

canvas繪制奧運五環代碼分享:運行效果：<!DOCTYPE html> <html> <head> </head> <body> <canvas id="drawing" width="800" height="600">A drawing of so

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標簽：代碼奧運五環 canvas

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canvas繪制奧運五環代碼分享

canvas繪制奧運五環代碼分享

canvas繪制奧運五環代碼分享

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