Created
September 16, 2013 13:45
-
-
Save brendo/6580872 to your computer and use it in GitHub Desktop.
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
<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Virgin Australia - Flight Status Clock</title> | |
</head> | |
<body> | |
<header> | |
<form> | |
<h2>Flights landing at </h2> | |
<select> | |
<option value='BNE'>Brisbane</option> | |
<option value='SYD'>Sydney</option> | |
</select> | |
<button>Show me</button> | |
</form> | |
</header> | |
<canvas id='clock' width='500' height='500'> | |
</canvas> | |
<script type='text/javascript'> | |
(function() { | |
var canvas = document.getElementById('clock'); | |
function degreesToRadians(degrees) { | |
return degrees * (Math.PI / 180) | |
} | |
function hoursToDegrees(hours) { | |
return (360 / 12) * hours; | |
} | |
function minutesToDegrees(minutes) { | |
return (360 / 60) * minutes; | |
} | |
var Clock = { | |
canvas: undefined, | |
draw: function(ctx, data) { | |
console.log('tick'); | |
var date = new Date(), | |
h = date.getHours() % 12, | |
m = date.getMinutes(); | |
ctx.clearRect(-250, -250,100, 500); | |
// Clockface | |
ctx.beginPath(); | |
ctx.arc(0, 0, 240, 0, Math.PI * 2); | |
ctx.fillStyle ='FFF'; | |
ctx.fill(); | |
ctx.lineWidth = 10; | |
ctx.strokeStyle = 'black'; | |
ctx.stroke(); | |
ctx.closePath(); | |
// Hour hand | |
var hr = degreesToRadians(hoursToDegrees(h)); | |
ctx.beginPath(); | |
ctx.rotate(hr); | |
ctx.moveTo(0, 0); | |
ctx.lineTo(0, -245); | |
ctx.lineWidth = 5; | |
ctx.stroke(); | |
ctx.closePath(); | |
ctx.rotate(-hr); | |
// Minute hand | |
var mr = degreesToRadians(minutesToDegrees(m)); | |
ctx.beginPath(); | |
ctx.rotate(mr); | |
ctx.moveTo(0, 0); | |
ctx.lineTo(0, -245); | |
ctx.lineWidth = 5; | |
ctx.stroke(); | |
ctx.closePath(); | |
ctx.rotate(-mr); | |
console.log(mr); | |
}, | |
init: function(canvas) { | |
this.canvas = canvas; | |
ctx = this.canvas.getContext('2d'); | |
ctx.translate(250, 250); | |
setInterval(function() { | |
Clock.draw(ctx); | |
}, 10000); | |
} | |
}; | |
Clock.init(canvas); | |
})(); | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment