Created
October 31, 2018 02:01
-
-
Save cygmris/be5fe7c96d3d0467385aca14942afcb4 to your computer and use it in GitHub Desktop.
JS Bin // source https://jsbin.com/quhujowota
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <style id="jsbin-css"> | |
| svg { | |
| height: 1000px; | |
| width: 1000px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg> | |
| <path id="arc1" fill="none" stroke="#446688" stroke-width="20" /> | |
| </svg> | |
| <script id="jsbin-javascript"> | |
| function polarToCartesian(centerX, centerY, radius, angleInDegrees) { | |
| var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0; | |
| return { | |
| x: centerX + (radius * Math.cos(angleInRadians)), | |
| y: centerY + (radius * Math.sin(angleInRadians)) | |
| }; | |
| } | |
| function describeArc(x, y, radius, startAngle, endAngle){ | |
| var start = polarToCartesian(x, y, radius, endAngle); | |
| var end = polarToCartesian(x, y, radius, startAngle); | |
| var largeArcFlag = endAngle - startAngle <= 180 ? "0" : "1"; | |
| var d = [ | |
| "M", start.x, start.y, | |
| "A", radius, radius, 0, largeArcFlag, 0, end.x, end.y | |
| ].join(" "); | |
| return d; | |
| } | |
| window.onload = function() { | |
| document.getElementById("arc1").setAttribute("d", describeArc(150, 150, 100, 0, 270)); | |
| }; | |
| </script> | |
| <script id="jsbin-source-css" type="text/css">svg { | |
| height: 1000px; | |
| width: 1000px; | |
| }</script> | |
| <script id="jsbin-source-javascript" type="text/javascript">function polarToCartesian(centerX, centerY, radius, angleInDegrees) { | |
| var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0; | |
| return { | |
| x: centerX + (radius * Math.cos(angleInRadians)), | |
| y: centerY + (radius * Math.sin(angleInRadians)) | |
| }; | |
| } | |
| function describeArc(x, y, radius, startAngle, endAngle){ | |
| var start = polarToCartesian(x, y, radius, endAngle); | |
| var end = polarToCartesian(x, y, radius, startAngle); | |
| var largeArcFlag = endAngle - startAngle <= 180 ? "0" : "1"; | |
| var d = [ | |
| "M", start.x, start.y, | |
| "A", radius, radius, 0, largeArcFlag, 0, end.x, end.y | |
| ].join(" "); | |
| return d; | |
| } | |
| window.onload = function() { | |
| document.getElementById("arc1").setAttribute("d", describeArc(150, 150, 100, 0, 270)); | |
| }; | |
| </script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| svg { | |
| height: 1000px; | |
| width: 1000px; | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| function polarToCartesian(centerX, centerY, radius, angleInDegrees) { | |
| var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0; | |
| return { | |
| x: centerX + (radius * Math.cos(angleInRadians)), | |
| y: centerY + (radius * Math.sin(angleInRadians)) | |
| }; | |
| } | |
| function describeArc(x, y, radius, startAngle, endAngle){ | |
| var start = polarToCartesian(x, y, radius, endAngle); | |
| var end = polarToCartesian(x, y, radius, startAngle); | |
| var largeArcFlag = endAngle - startAngle <= 180 ? "0" : "1"; | |
| var d = [ | |
| "M", start.x, start.y, | |
| "A", radius, radius, 0, largeArcFlag, 0, end.x, end.y | |
| ].join(" "); | |
| return d; | |
| } | |
| window.onload = function() { | |
| document.getElementById("arc1").setAttribute("d", describeArc(150, 150, 100, 0, 270)); | |
| }; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment