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clock_b2.html
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clock_b2.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Clock</title>
<link rel="stylesheet" href="style.css">
<script type="text/javascript" src="lib/paper.js"></script>
<script type="text/paperscript" canvas="canvas">
var alarms = new Array();
var centre_radius = 10;
var hour_radius = 50;
var min_radius = 30;
var sec_radius = 10;
// create background
var bg = new Path.Rectangle(new Point(0,0),new Size(view.bounds.width,view.bounds.height));
bg.fillColor = '#000000';
// create centre of clock
var circle_centre = new Path.Circle(new Point(0,0), centre_radius);
circle_centre.strokeColor = '#aaaaaa';
// create hour 'hand'
var circle_hour = new Path.Circle(new Point(0,0), hour_radius);
circle_hour.strokeColor = '#ffffff';
circle_hour.fillColor = '#ffffff';
var text_hour = new PointText(new Point(0,0));
text_hour.fontSize = 24;
text_hour.justification = "center";
text_hour.fillColor = "#000000";
var group_hour = new Group(circle_hour,text_hour);
// create minutes 'hand'
var circle_min = new Path.Circle(new Point(0,0), min_radius);
circle_min.strokeColor = '#ffffff';
circle_min.fillColor = '#ffffff';
var text_min = new PointText(new Point(0,0));
text_min.fontSize = 20;
text_min.justification = 'center';
text_min.fillColor = '#000000';
var group_min = new Group(circle_min,text_min);
// create seconds 'hand'
var circle_sec = new Path.Circle(new Point(0,0), sec_radius);
circle_sec.strokeColor = '#ffffff';
circle_sec.fillColor = '#ffffff';
var text_sec = new PointText(new Point(0,0));
text_sec.fontSize = 16;
text_sec.justification = 'center';
text_sec.fillColor = '#000000';
var group_sec = new Group(circle_sec,text_sec);
var debug = new PointText(new Point(100,100));
//debug.content = "hello";
addAlarm( new Date(79,5,24,6,45,0) );
addAlarm( new Date(79,5,24,11,13,0) );
function onFrame(event) {
var d = new Date();
positionHands(d,group_hour,group_min,group_sec);
}
function positionHands(d,g_hour,g_min,g_sec){
var time_hour = d.getHours() % 12;
var time_min = d.getMinutes();
var time_sec = d.getSeconds();
var perc_milli = d.getMilliseconds() / 1000;
var perc_sec = (time_sec+perc_milli)/60;
var perc_min = (time_min+perc_sec)/60;
var perc_hour = (time_hour+perc_min)/12;
var angle_hour = (perc_hour*(2*Math.PI))-(Math.PI/2.0);
var angle_min = (perc_min*(2*Math.PI))-(Math.PI/2.0);
var angle_sec = (perc_sec*(2*Math.PI))-(Math.PI/2.0);
positionItem(g_hour, view.center, angle_hour, centre_radius+hour_radius);
positionItem(g_min, g_hour.position, angle_min, hour_radius+min_radius+(sec_radius*2));
positionItem(g_sec, g_min.position, angle_sec, min_radius+sec_radius);
// looks a bit shite, as the text wobbles around (doesn't appear to be subpixel)
//text_hour.content = time_hour; //Math.round(angle_hour*10)/10;
//text_min.content = time_min; //Math.round(angle_min*10)/10;
//text_sec.content = time_sec; //Math.round(angle_sec*10)/10;
}
function onResize(){
circle_centre.position = view.center;
bg.bounds = view.bounds;
moveAlarms();
}
function positionItem(item, anchor, angle, distance){
var xp = anchor.x + Math.cos(angle)*distance;
var yp = anchor.y + Math.sin(angle)*distance;
//debug.content = angle + "\n"+ Math.round(xp) + "\n" + yp;
item.position = new Point( xp, yp );
}
function addAlarm(d){
var radius_border = 3.0;
var c_hour = new Path.Circle(new Point(0,0), hour_radius+radius_border);
c_hour.strokeColor = '#ff0000';
c_hour.strokeWidth = 0.5;
var c_min = new Path.Circle(new Point(0,0), min_radius+radius_border);
c_min.strokeColor = '#ff0000';
c_min.strokeWidth = 0.5;
var c_sec = new Path.Circle(new Point(0,0), sec_radius+radius_border);
c_sec.strokeColor = '#ff0000';
c_sec.strokeWidth = 0.5;
positionHands(d,c_hour,c_min,c_sec);
alarms.push({date:d,hour:c_hour,min:c_min,sec:c_sec});
}
function moveAlarms(){
for(var i=0;i<alarms.length;i++){
var alarm = alarms[i];
positionHands(alarm['date'],alarm['hour'],alarm['min'],alarm['sec']);
}
}
</script>
</head>
<body>
<canvas id="canvas" resize></canvas>
</body>
</html>