cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - Activehtmlicon-personicon-teamoctocatpop-outspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

Add External CSS

These stylesheets will be added in this order and before the code you write in the CSS editor. You can also add another Pen here, and it will pull the CSS from it. Try typing "font" or "ribbon" below.

Quick-add: + add another resource

Add External JavaScript

These scripts will run in this order and before the code in the JavaScript editor. You can also link to another Pen here, and it will run the JavaScript from it. Also try typing the name of any popular library.

Quick-add: + add another resource

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              <!-- This is the learning note following the tutorial https://bit.ly/2lRMbE6 -->

<div class="flex-container">
	<canvas id="clock" width="240" height="240"></canvas>
</div>
            
          
!
            
              @import url('https://fonts.googleapis.com/css?family=Lato:100')
	
html
body
.flex-container
	width 100%
	height 100%

.flex-container
	display flex
	justify-content center
	align-items center
            
          
!
            
              /* This is the learning note following the tutorial https://bit.ly/2lRMbE6 */


// Defint the canvas
var canvas = document.getElementById("clock");
var ctx = canvas.getContext("2d");

// Define some size
var radius = canvas.height / 2;

// Center the ctx
ctx.translate(radius,radius);

// Draw the Clock every second
setInterval(drawClock, 1000);

// Draw the Clock 
function drawClock() {
	drawFace(ctx, radius);
	drawNumbers(ctx, radius);
	drawTime(ctx,radius);
	drawNose(ctx,radius);
}

// Define how to draw the Face
function drawFace(ctx, radius) {
	ctx.beginPath();
	ctx.arc(0, 0, radius, 0, 2*Math.PI);
	ctx.fillStyle = "#F8F8FF";
	ctx.fill();
}

// Define how to draw the Numbers
function drawNumbers(ctx, radius) {
	var ang;
	var num;
	
	// Define the text styles
	ctx.font = "14px 'Lato'";
	ctx.fillStyle = "black";
	ctx.textBaseline = "middle";
	ctx.textAlign = "center";
	
	// Rotate and put number and rotate back
	for(num=1; num<=12; num++) {
		ang = num * Math.PI / 6;
		ctx.rotate(ang);
    ctx.translate(0, -radius*0.85);
    ctx.rotate(-ang);
    ctx.fillText(num.toString(), 0, 0);
    ctx.rotate(ang);
    ctx.translate(0, radius*0.85);
    ctx.rotate(-ang);
	}
}

// Draw the Hands depends on current time
function drawTime(ctx,radius) {
	// Get the current time
	var now = new Date();
	var hour = now.getHours();
	var minute = now.getMinutes();
	var second = now.getSeconds();
	
	// Draw the Hour Hand
	hour=hour%12;
	hour=(hour*Math.PI/6)+(minute*Math.PI/(6*60))+(second*Math.PI/(360*60));
	drawHand(ctx, hour, radius*0.4, 4, "black");
	// Draw the Minute Hand
	minute=(minute*Math.PI/(30))+(second*Math.PI/(30*60));
	drawHand(ctx, minute, radius*0.6, 2, "black");
	// Draw the Second Hand
	second=(second*Math.PI/30);
	drawHand(ctx, second, radius*0.75, 1, "#DC143C");
}

// Define how to draw the Hands
function drawHand(ctx, pos, length, width, color){
	ctx.beginPath();
	ctx.lineWidth = width;
	ctx.lineCap = "round";
	ctx.moveTo(0,0);
	ctx.rotate(pos);
	ctx.lineTo(0, -length);
	ctx.strokeStyle = color;
	ctx.stroke();
	ctx.rotate(-pos);
}

function drawNose(ctx, radius) {
	ctx.beginPath();
	ctx.arc(0, 0, radius*.08, 0, 2*Math.PI);
	ctx.fillStyle = "#DC143C";
	ctx.fill();
}
            
          
!
999px
Close

Asset uploading is a PRO feature.

As a PRO member, you can drag-and-drop upload files here to use as resources. Images, Libraries, JSON data... anything you want. You can even edit them anytime, like any other code on CodePen.

Go PRO

Loading ..................

Console