Created
December 24, 2018 04:08
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JS Bin // source https://jsbin.com/witoned
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <style id="jsbin-css"> | |
| canvas{ | |
| border: 1px solid red; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <canvas width="500" height="500"></canvas> | |
| <script id="jsbin-javascript"> | |
| var canvas = document.querySelector("canvas") | |
| var c = canvas.getContext("2d") | |
| var w = canvas.width; | |
| var h = canvas.height; | |
| window.addEventListener("mousemove", function(e){ | |
| var cor = "red"; | |
| if( e.x + 30 > w || e.x - 30 < 0 ){ | |
| cor = "green"; | |
| } else if ( e.y + 30 > h || e.y - 30 < 0 ) { | |
| cor = "blue"; | |
| } else { | |
| cor = `hsl(${e.y}, 100%, 50%)`; | |
| } | |
| circle(e.x, e.y, cor); | |
| }); | |
| function circle(x, y, cor){ | |
| c.clearRect(0, 0, 500, 500) | |
| c.beginPath(); | |
| c.arc(x, y, 30, 0, Math.PI*2); | |
| c.fillStyle = cor; | |
| c.lineWidth = 5; | |
| c.strokeStyle = cor; | |
| c.stroke(); | |
| c.fill() | |
| } | |
| </script> | |
| <script id="jsbin-source-css" type="text/css">canvas{ | |
| border: 1px solid red; | |
| }</script> | |
| <script id="jsbin-source-javascript" type="text/javascript">var canvas = document.querySelector("canvas") | |
| var c = canvas.getContext("2d") | |
| var w = canvas.width; | |
| var h = canvas.height; | |
| window.addEventListener("mousemove", function(e){ | |
| var cor = "red"; | |
| if( e.x + 30 > w || e.x - 30 < 0 ){ | |
| cor = "green"; | |
| } else if ( e.y + 30 > h || e.y - 30 < 0 ) { | |
| cor = "blue"; | |
| } else { | |
| cor = `hsl(${e.y}, 100%, 50%)`; | |
| } | |
| circle(e.x, e.y, cor); | |
| }); | |
| function circle(x, y, cor){ | |
| c.clearRect(0, 0, 500, 500) | |
| c.beginPath(); | |
| c.arc(x, y, 30, 0, Math.PI*2); | |
| c.fillStyle = cor; | |
| c.lineWidth = 5; | |
| c.strokeStyle = cor; | |
| c.stroke(); | |
| c.fill() | |
| }</script></body> | |
| </html> |
This file contains 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
| canvas{ | |
| border: 1px solid red; | |
| } |
This file contains 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
| var canvas = document.querySelector("canvas") | |
| var c = canvas.getContext("2d") | |
| var w = canvas.width; | |
| var h = canvas.height; | |
| window.addEventListener("mousemove", function(e){ | |
| var cor = "red"; | |
| if( e.x + 30 > w || e.x - 30 < 0 ){ | |
| cor = "green"; | |
| } else if ( e.y + 30 > h || e.y - 30 < 0 ) { | |
| cor = "blue"; | |
| } else { | |
| cor = `hsl(${e.y}, 100%, 50%)`; | |
| } | |
| circle(e.x, e.y, cor); | |
| }); | |
| function circle(x, y, cor){ | |
| c.clearRect(0, 0, 500, 500) | |
| c.beginPath(); | |
| c.arc(x, y, 30, 0, Math.PI*2); | |
| c.fillStyle = cor; | |
| c.lineWidth = 5; | |
| c.strokeStyle = cor; | |
| c.stroke(); | |
| c.fill() | |
| } |
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