How can I make an iframe resizeable without JavaScript? - html

I am trying to make iframes resizable the same way that a frameset with frames are. This is what I am trying to reproduce:
<!DOCTYPE html>
<html>
<frameset rows="80%,20%">
<frame src="https://www.w3schools.com" />
<frame src="https://www.tutorialspoint.com/html/top_frame.htm" />
</frameset>
</html>
See: Online Html Editor
I don't want to use JavaScript because it's widely claimed the iframe has the same functionality as frames and framesets, see: Obsolete Eements - W3. Its simply bad practice to use JavaScript for something that can be achieved perfectly without.
Using the resize property, is no good because it produces an icon in the bottom right hand corner the same as textarea. See: Resizable Columns without JQuery.

I decided to give up trying to do it without JavaScript. I managed to get it to work smoothly by making sure it gets the position of the mouse cursor correctly, even when hovering over the iframe. It requires access to the domain in the iframe to use postMessage to get the mouse coordinates but no problem, I am only going to use this to create debug tools on my own website anyway. It can be resized in all directions by dragging an edge or corner.
<!DOCTYPE html>
<style>
iframe {
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
width: 100%;
height: 100%;
border: none;
}
.frame_holder {
display: block;
top: 300px;
left: 200px;
height: 500px;
width: 350px;
position: absolute;
}
.resizer {
position: absolute;
width: 7px;
height: 7px;
z-index: 2;
}
.resizer.n {
top: -7px;
left: 0px;
width: 100%;
cursor: n-resize;
}
.resizer.s {
bottom: -7px;
left: 0px;
width: 100%;
cursor: s-resize;
}
.resizer.w {
top: 0px;
left: -7px;
height:100%;
cursor: w-resize;
}
.resizer.e {
top: 0px;
right: -7px;
height:100%;
cursor: e-resize;
}
.resizer.nw {
top: -7px;
left: -7px;
cursor: nw-resize;
}
.resizer.ne {
top: -7px;
right: -7px;
cursor: ne-resize;
}
.resizer.sw {
bottom: -7px;
left: -7px;
cursor: sw-resize;
}
.resizer.se {
bottom: -7px;
right: -7px;
cursor: se-resize;
}
</style>
<body>
<div class="frame_holder">
<div class="resizer n"></div>
<div class="resizer s"></div>
<div class="resizer w"></div>
<div class="resizer e"></div>
<div class="resizer ne"></div>
<div class="resizer nw"></div>
<div class="resizer sw"></div>
<div class="resizer se"></div>
<iframe class="frame" src="https://stackoverflow.com/questions/74724195/how-can-i-make-an-iframe-resizeable-without-javascript"></iframe>
</div>
</body>
<script>
$ = typeof $ == "undefined" ? [] : $;
$[window.location.pathname]=function()
{
window.addEventListener('contextmenu', (e) => {e.preventDefault()});
const el = document.querySelector(".frame_holder");
const iframe = document.querySelector(".frame");
const resizers = document.querySelectorAll(".resizer");
var currentResizer = 0;
var prevX;
var prevY;
function resize(el, size)
{
Object.keys(size).forEach((i) =>
{
el.style[i] = size[i] + "px";
});
}
window.onmessage = function(e)
{
try
{
var msg = JSON.parse(e.data);
}
catch (e)
{
return;
}
if (msg.type == "mouseUp")
{
el.isResizing=false;
//window.removeEventListener("mousemove", mousemove);
//window.removeEventListener("mouseup", mouseup);
return
}
if (!el.isResizing)
{
try
{
window.removeEventListener("mousemove", mousemove);
//window.removeEventListener("mouseup", mouseup);
}
catch (e)
{ }
return;
}
const rect = el.getBoundingClientRect();
let mouseX = msg.mouseX + rect.left;
let mouseY = msg.mouseY + rect.top;
//let top = Math.min(rect.top - (prevY - mouseY), 0);
//let left = Math.min(rect.left - (prevX - mouseX), 0);
let top = rect.top - (prevY - mouseY);
let left = rect.left - (prevX - mouseX);
let width = rect.width + (prevX - mouseX);
let width1 = rect.width - (prevX - mouseX);
let height= rect.height - (prevY - mouseY);
let height1 = rect.height + (prevY - mouseY);
//let vw = Math.max(document.documentElement.clientWidth || 0, window.innerWidth || 0)
//let vh = Math.max(document.documentElement.clientHeight || 0, window.innerHeight || 0)
let currentResizer = this.currentResizer;
if (currentResizer.classList.contains("n"))
resize(el, {top: top, height: height1});
else if (currentResizer.classList.contains("w"))
resize(el, {left: left, width: width});
else if (currentResizer.classList.contains("s"))
resize(el, {height: height});
else if (currentResizer.classList.contains("e"))
resize(el, {width: width1});
else if (currentResizer.classList.contains("sw"))
resize(el, {left: left, width: width, height: height});
else if (currentResizer.classList.contains("ne"))
resize(el, {top: top, width: width1, height: height1});
else if (currentResizer.classList.contains("nw"))
resize(el, {top: top, left: left, width: width, height: height1});
else if (currentResizer.classList.contains("se"))
resize(el, {width: width1, height: height});
else
resize(el, {left: left, top: top});
prevX = mouseX;
prevY = mouseY;
};
for (let resizer of resizers)
{
if (resizer.classList.contains("n"))
iframe.style.borderTop = "groove 2px";
else if (resizer.classList.contains("s"))
iframe.style.borderBottom = "groove 2px";
else if (resizer.classList.contains("w"))
iframe.style.borderLeft = "groove 2px";
else if (resizer.classList.contains("e"))
iframe.style.borderRight = "groove 2px";
resizer.addEventListener("mousedown", mousedown);
function mousedown(e)
{
currentResizer = e.target;
//window.currentResizer = e.target;
window.currentResizer = currentResizer;
el.isResizing = true;
prevX = e.clientX;
prevY = e.clientY;
window.addEventListener("mousemove", mousemove);
window.addEventListener("mouseup", mouseup);
//msg.mouseX=344, msg.mouseY=830
//e.clientX=551, e.clientY=800
function mousemove(e)
{
if (!el.isResizing)
{
window.removeEventListener("mousemove", mousemove);
window.removeEventListener("mouseup", mouseup);
return;
}
const rect = el.getBoundingClientRect();
//let top = Math.min(rect.top - (prevY - e.clientY), 0);
//let left = Math.min(rect.left - (prevX - e.clientX), 0);
let top = rect.top - (prevY - e.clientY);
let left = rect.left - (prevX - e.clientX);
let width = rect.width + (prevX - e.clientX);
let width1 = rect.width - (prevX - e.clientX);
let height= rect.height - (prevY - e.clientY);
let height1 = rect.height + (prevY - e.clientY);
if (currentResizer.classList.contains("n"))
resize(el, {top: top, height: height1});
else if (currentResizer.classList.contains("w"))
resize(el, {left: left, width: width});
else if (currentResizer.classList.contains("s"))
resize(el, {height: height});
else if (currentResizer.classList.contains("e"))
resize(el, {width: width1});
else if (currentResizer.classList.contains("sw"))
resize(el, {left: left, width: width, height: height});
else if (currentResizer.classList.contains("ne"))
resize(el, {top: top, width: width1, height: height1});
else if (currentResizer.classList.contains("nw"))
resize(el, {top: top, left: left, width: width, height: height1});
else if (currentResizer.classList.contains("se"))
resize(el, {width: width1, height: height});
else
resize(el, {left: left, top: top});
prevX = e.clientX;
prevY = e.clientY;
}
function mouseup()
{
el.isResizing = false;
console.log("mouseup");
window.removeEventListener("mousemove", mousemove);
//window.removeEventListener("mouseup", mouseup);
}
}
}
}
if (document.readyState!='loading') $[window.location.pathname](); else document.addEventListener('DOMContentLoaded', $[window.location.pathname]);
</script>
This code goes inside the iframe:
if (!window.isTop)
{
function mouseup(e)
{
window.top.postMessage(JSON.stringify({ type: "mouseUp" }), '*');
}
function mousemove(e)
{
window.top.postMessage(JSON.stringify({ type: "mouseMove", mouseX: e.clientX, mouseY: e.clientY }), '*');
}
window.addEventListener("mouseup", mouseup);
window.addEventListener("mousemove", mousemove);
}

Related

Can Not Overlay div Over Full Screen Canvas for Unity WebGL Build

I want to overlay a div in front of full-screen Unity - Canvas. I can overlay it when it is not full screen but can not figure out how to overlay div front of Unity Canvas while canvas is in full-screen mode.
I made a loading CSS in the index.html file of the Unity WebGL build. That I paste below.
<style>
.loader {
position: absolute;
left: 50%;
top: 50%;
z-index: 999;
width: 120px;
height: 120px;
margin: -76px 0 0 -76px;
border: 16px solid #f3f3f3;
border-radius: 50%;
border-top: 16px solid #babfc2;
-webkit-animation: spin 2s linear infinite;
animation: spin 2s linear infinite;
}
/* Safari */
#-webkit-keyframes spin {
0% { -webkit-transform: rotate(0deg); }
100% { -webkit-transform: rotate(360deg); }
}
#keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
<div id="modelLoading" class="loader"></div>
I use this CSS as a class for a div, Basically, div shows up in a normal window as seen in the image below, but it disappears in the full-screen window. Also tried: fullscreen things but didn't work.
I add screenshots and the full HTML code below.
Thank you for your help.
<!DOCTYPE html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Unity WebGL Player | DeleteThisWebGLMultiThreadWorks2</title>
<link rel="shortcut icon" href="TemplateData/favicon.ico">
<link rel="stylesheet" href="TemplateData/style.css">
</head>
<body>
<style>
.loader {
position: absolute;
left: 50%;
top: 50%;
z-index: 999;
width: 120px;
height: 120px;
margin: -76px 0 0 -76px;
border: 16px solid #f3f3f3;
border-radius: 50%;
border-top: 16px solid #babfc2;
-webkit-animation: spin 2s linear infinite;
animation: spin 2s linear infinite;
}
/* Safari */
#-webkit-keyframes spin {
0% { -webkit-transform: rotate(0deg); }
100% { -webkit-transform: rotate(360deg); }
}
#keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
<div id="modelLoading" class="loader"></div>
<div id="unity-container" class="unity-desktop">
<canvas id="unity-canvas" width=960 height=600>
</canvas>
<div id="unity-loading-bar">
<div id="unity-logo"></div>
<div id="unity-progress-bar-empty">
<div id="unity-progress-bar-full"></div>
</div>
</div>
<div id="unity-warning"> </div>
<div id="unity-footer">
<div id="unity-webgl-logo"></div>
<div id="unity-fullscreen-button"></div>
<div id="unity-build-title">DeleteThisWebGLMultiThreadWorks2</div>
</div>
</div>
<script>
var container = document.querySelector("#unity-container");
var canvas = document.querySelector("#unity-canvas");
var loadingBar = document.querySelector("#unity-loading-bar");
var progressBarFull = document.querySelector("#unity-progress-bar-full");
var fullscreenButton = document.querySelector("#unity-fullscreen-button");
var warningBanner = document.querySelector("#unity-warning");
// Shows a temporary message banner/ribbon for a few seconds, or
// a permanent error message on top of the canvas if type=='error'.
// If type=='warning', a yellow highlight color is used.
// Modify or remove this function to customize the visually presented
// way that non-critical warnings and error messages are presented to the
// user.
function unityShowBanner(msg, type) {
function updateBannerVisibility() {
warningBanner.style.display = warningBanner.children.length ? 'block' : 'none';
}
var div = document.createElement('div');
div.innerHTML = msg;
warningBanner.appendChild(div);
if (type == 'error') div.style = 'background: red; padding: 10px;';
else {
if (type == 'warning') div.style = 'background: yellow; padding: 10px;';
setTimeout(function() {
warningBanner.removeChild(div);
updateBannerVisibility();
}, 5000);
}
updateBannerVisibility();
}
var buildUrl = "Build";
var loaderUrl = buildUrl + "/DeleteThisTryingMultiThreadWebGL8.loader.js";
var config = {
dataUrl: buildUrl + "/DeleteThisTryingMultiThreadWebGL8.data.gz",
frameworkUrl: buildUrl + "/DeleteThisTryingMultiThreadWebGL8.framework.js.gz",
codeUrl: buildUrl + "/DeleteThisTryingMultiThreadWebGL8.wasm.gz",
streamingAssetsUrl: "StreamingAssets",
companyName: "DefaultCompany",
productName: "DeleteThisWebGLMultiThreadWorks2",
productVersion: "0.1",
showBanner: unityShowBanner,
};
// By default Unity keeps WebGL canvas render target size matched with
// the DOM size of the canvas element (scaled by window.devicePixelRatio)
// Set this to false if you want to decouple this synchronization from
// happening inside the engine, and you would instead like to size up
// the canvas DOM size and WebGL render target sizes yourself.
// config.matchWebGLToCanvasSize = false;
if (/iPhone|iPad|iPod|Android/i.test(navigator.userAgent)) {
// Mobile device style: fill the whole browser client area with the game canvas:
var meta = document.createElement('meta');
meta.name = 'viewport';
meta.content = 'width=device-width, height=device-height, initial-scale=1.0, user-scalable=no, shrink-to-fit=yes';
document.getElementsByTagName('head')[0].appendChild(meta);
container.className = "unity-mobile";
// To lower canvas resolution on mobile devices to gain some
// performance, uncomment the following line:
// config.devicePixelRatio = 1;
canvas.style.width = window.innerWidth + 'px';
canvas.style.height = window.innerHeight + 'px';
unityShowBanner('WebGL builds are not supported on mobile devices.');
} else {
// Desktop style: Render the game canvas in a window that can be maximized to fullscreen:
canvas.style.width = "960px";
canvas.style.height = "600px";
}
loadingBar.style.display = "block";
var script = document.createElement("script");
script.src = loaderUrl;
script.onload = () => {
createUnityInstance(canvas, config, (progress) => {
progressBarFull.style.width = 100 * progress + "%";
}).then((unityInstance) => {
loadingBar.style.display = "none";
fullscreenButton.onclick = () => {
unityInstance.SetFullscreen(1);
};
}).catch((message) => {
alert(message);
});
};
document.body.appendChild(script);
</script>
</body>
</html>
Instead of asking unity library to make canvas fullscreen you can make entire canvas container
fullscreen yourself using JavaScript and DOM APIs.
This way you'll have more control. See below demo code. Explanation is in the code comments.
As you haven't shared your CSS and javascript libraries I've added my own style for demo purpose.
Put this entire code in a local .html file and run it in a browser. Then press Fullscreen. You'll notice that the spinning loader is in fullscreen along with the canvas.
<!DOCTYPE html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Unity WebGL Player | DeleteThisWebGLMultiThreadWorks2</title>
<link rel="shortcut icon" href="TemplateData/favicon.ico">
<link rel="stylesheet" href="TemplateData/style.css">
<style>
.loader {
position: absolute;
left: 50%;
top: 50%;
z-index: 999;
width: 120px;
height: 120px;
margin: -76px 0 0 -76px;
border: 16px solid #f3f3f3;
border-radius: 50%;
border-top: 16px solid #babfc2;
-webkit-animation: spin 2s linear infinite;
animation: spin 2s linear infinite;
}
/* Safari */
#-webkit-keyframes spin {
0% {
-webkit-transform: rotate(0deg);
}
100% {
-webkit-transform: rotate(360deg);
}
}
#keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
/* new rules ********/
#unity-container {
width: 97vw;
height: 90vh;
border: 3px solid orange;
background-color: gray;
}
#fullScreenContainer {
position: relative;
height: 100%;
width: 100%;
}
#unity-canvas {
background-color: black;
/* note the dimensions are in percentages */
/* they'll scale with parent, as parent goes fullscreen*/
/* the canvas will grow as well*/
width: 100%;
height: 100%;
margin: 0 auto;
}
#unity-fullscreen-button {
border: 1px solid black;
width: fit-content;
color: Orange;
font-size: 2em;
}
#unity-fullscreen-button:hover {
background-color: lightgreen;
}
body {
margin: 0;
padding: 0;
box-sizing: border-box;
}
</style>
</head>
<body>
<div id="unity-container" class="unity-desktop">
<!-- take this container fullscreen instead of taking only the canvas -->
<div id="fullScreenContainer">
<div id="modelLoading" class="loader"></div>
<canvas id="unity-canvas"></canvas>
</div>
<div id="unity-footer">
<div id="unity-fullscreen-button">FullScreen</div>
</div>
</div>
<script>
var container = document.querySelector("#unity-container");
var fullContainer = document.querySelector("#fullScreenContainer");
var fullscreenButton = document.querySelector("#unity-fullscreen-button");
fullscreenButton.onclick = () => {
//don't request fullscreen on unityinstance
//unityInstance.SetFullscreen(1);
//let's take things fullscreen ourselves
//request fullscreen on the wrapper
fullContainer.requestFullscreen();
//you might want to resize canvas to fit screen.
};
//ignore this just for the demo
var canvas = document.getElementById("unity-canvas");
var ctx = canvas.getContext("2d");
ctx.font = "bold 24px verdana, sans-serif";
ctx.textAlign = "center";
ctx.textBaseline = "middle";
ctx.fillStyle = "green";
ctx.fillText("The Game", 150, 80);
ctx.closePath();
</script>
</body>
</html>
I think if you debug unityInstance.SetFullscreen(1) in chrome developer console then you'll find that it does similar thing: resizing canvas and calling requestFullscreen() on it.
Note: StackOverflow and other online html editors do not allow fullscreen so you'll have to try the code in local .html file.
With fix your code will look like this:
<!DOCTYPE html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title> Xplore 3D Model Editor</title>
<link rel="shortcut icon" href="TemplateData/favicon.ico">
<link rel="stylesheet" href="TemplateData/style.css">
<style>
#modelLoading {
position: absolute;
left: 50%;
top: 50%;
z-index: 1;
width: 120px;
height: 120px;
margin: -76px 0 0 -76px;
border: 16px solid #f3f3f3;
border-radius: 50%;
border-top: 16px solid #babfc2;
-webkit-animation: spin 2s linear infinite;
animation: spin 2s linear infinite;
}
#modelLoading:fullscreen {
position: absolute;
left: 50%;
top: 50%;
z-index: 1;
width: 120px;
height: 120px;
margin: -76px 0 0 -76px;
border: 16px solid #f3f3f3;
border-radius: 50%;
border-top: 16px solid #babfc2;
-webkit-animation: spin 2s linear infinite;
animation: spin 2s linear infinite;
}
/* Safari */
#-webkit-keyframes spin {
0% {
-webkit-transform: rotate(0deg);
}
100% {
-webkit-transform: rotate(360deg);
}
}
#keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
</style>
</head>
<body>
<div id="unity-container" class="unity-desktop">
<div id="modelLoadingContainer">
<div id="modelLoading"></div>
<!-- //*** removed inline dimensions. setting inline style is not good -->
<canvas id="unity-canvas"></canvas>
</div>
<div id="unity-loading-bar">
<div id="unity-logo"></div>
<div id="unity-progress-bar-empty">
<div id="unity-progress-bar-full"></div>
</div>
</div>
<div id="unity-warning"> </div>
<div id="unity-footer">
<div id="unity-webgl-logo"></div>
<div id="unity-fullscreen-button">
</div>
<div id="unity-build-title">Xplore 3D Model Editor</div>
</div>
</div>
<script>
var container = document.querySelector("#unity-container");
var canvas = document.querySelector("#unity-canvas");
var loadingBar = document.querySelector("#unity-loading-bar");
var progressBarFull = document.querySelector("#unity-progress-bar-full");
var fullscreenButton = document.querySelector("#unity-fullscreen-button");
var warningBanner = document.querySelector("#unity-warning");
var modelLoading = document.getElementById('modelLoading');
function EnableModelLoading() {
document.getElementById("modelLoading").style.display = "";
}
function DisableleModelLoading() {
document.getElementById("modelLoading").style.display = "none";
}
// Shows a temporary message banner/ribbon for a few seconds, or
// a permanent error message on top of the canvas if type=='error'.
// If type=='warning', a yellow highlight color is used.
// Modify or remove this function to customize the visually presented
// way that non-critical warnings and error messages are presented to the
// user.
function unityShowBanner(msg, type) {
function updateBannerVisibility() {
warningBanner.style.display = warningBanner.children.length ? 'block' : 'none';
}
var div = document.createElement('div');
div.innerHTML = msg;
warningBanner.appendChild(div);
if (type == 'error') div.style = 'background: red; padding: 10px;';
else {
if (type == 'warning') div.style = 'background: yellow; padding: 10px;';
setTimeout(function () {
warningBanner.removeChild(div);
updateBannerVisibility();
}, 5000);
}
updateBannerVisibility();
}
var buildUrl = "Build";
var loaderUrl = buildUrl + "/Xplore3DModelEditorOnHeroku5.loader.js";
var config = {
dataUrl: buildUrl + "/Xplore3DModelEditorOnHeroku5.data.unityweb",
frameworkUrl: buildUrl + "/Xplore3DModelEditorOnHeroku5.framework.js.unityweb",
codeUrl: buildUrl + "/Xplore3DModelEditorOnHeroku5.wasm.unityweb",
streamingAssetsUrl: "StreamingAssets",
companyName: "Timelooper",
productName: "Xplore 3D Model Editor",
productVersion: "0.1",
showBanner: unityShowBanner,
};
// By default Unity keeps WebGL canvas render target size matched with
// the DOM size of the canvas element (scaled by window.devicePixelRatio)
// Set this to false if you want to decouple this synchronization from
// happening inside the engine, and you would instead like to size up
// the canvas DOM size and WebGL render target sizes yourself.
// config.matchWebGLToCanvasSize = false;
if (/iPhone|iPad|iPod|Android/i.test(navigator.userAgent)) {
container.className = "unity-mobile";
// Avoid draining fillrate performance on mobile devices,
// and default/override low DPI mode on mobile browsers.
config.devicePixelRatio = 1;
unityShowBanner('WebGL builds are not supported on mobile devices.');
} else {
//*** changes set minWidth instead of fixed width
canvas.style.minWidth = "960px";
canvas.style.minHeight = "600px";
//100% will ensure canvas will be of parent size
canvas.style.width = "100%";
canvas.style.height = "100%";
}
loadingBar.style.display = "block";
var script = document.createElement("script");
script.src = loaderUrl;
script.onload = () => {
//DisableleModelLoading();
createUnityInstance(canvas, config, (progress) => {
progressBarFull.style.width = 100 * progress + "%";
}).then((unityInstance) => {
loadingBar.style.display = "none";
//*** hide loading
modelLoading.style.display = "none";
}).catch((message) => {
alert(message);
});
};
document.getElementById('unity-fullscreen-button').addEventListener('click', function () {
var elem = document.getElementById('modelLoadingContainer');
elem.webkitRequestFullscreen();
if (elem.requestFullscreen) {
elem.requestFullscreen();
} else if (elem.msRequestFullscreen) {
elem.msRequestFullscreen();
} else if (elem.mozRequestFullScreen) {
elem.mozRequestFullScreen();
} else if (elem.webkitRequestFullscreen) {
elem.webkitRequestFullscreen();
}
});
document.body.appendChild(script);
</script>
</body>
</html>
You may have to adjust style on fullScreenContainer element.

Aligning SVG Clip Path on top of image

EDIT 1: Quick codepen of my current issue: https://codepen.io/zuffdaddy/pen/QWGewKr
See how the clip path is massive while the image is small? How do align those two?
Original:
Intro:
I'm making an Attack Disc for a submarine simulator game.
The disc has multiple circular rings that all rotate and so far I have that part complete, but there's some overlapping transparent plastic parts that sit on top the rings and rotate as well.
Problem:
The problem is the plastic pieces that rotate on top are complex shapes (image of the shape here). The user needs to be able to click around them to manipulate the rings beneath them but also be able to click on them to rotate them as well.
SVG Clipping paths seem to be the way to go but I cannot get the svg clip path to align with the image.
Please ignore the JS, it's a temporary rotating script I pulled from another question here and will be rewritten towards finalization.
///////////////////////////////
// ------- rotate -------- //
///////////////////////////////
(function() {
var init, rotate, start, stop,
active = false,
angle = 0,
rotation = 0,
startAngle = 0,
center = {
x: 0,
y: 0
},
R2D = 180 / Math.PI,
rot = document.getElementById('attack_disc');
init = function() {
rot.addEventListener("mousedown", start, false);
$(document).bind('mousemove', function(event) {
if (active === true) {
event.preventDefault();
rotate(event);
}
});
$(document).bind('mouseup', function(event) {
event.preventDefault();
stop(event);
});
};
start = function(e) {
e.preventDefault();
var bb = this.getBoundingClientRect(),
t = bb.top,
l = bb.left,
h = bb.height,
w = bb.width,
x, y;
center = {
x: l + (w / 2),
y: t + (h / 2)
};
x = e.clientX - center.x;
y = e.clientY - center.y;
startAngle = R2D * Math.atan2(y, x);
return active = true;
};
rotate = function(e) {
e.preventDefault();
var x = e.clientX - center.x,
y = e.clientY - center.y,
d = R2D * Math.atan2(y, x);
rotation = d - startAngle;
return rot.style.webkitTransform = "rotate(" + (angle + rotation) + "deg)";
};
stop = function() {
angle += rotation;
return active = false;
};
init();
}).call(this);
(function() {
var init, rotate, start, stop,
active = false,
angle = 0,
rotation = 0,
startAngle = 0,
center = {
x: 0,
y: 0
},
R2D = 180 / Math.PI,
rot = document.getElementById('course_disc');
init = function() {
rot.addEventListener("mousedown", start, false);
$(document).bind('mousemove', function(event) {
if (active === true) {
event.preventDefault();
rotate(event);
}
});
$(document).bind('mouseup', function(event) {
event.preventDefault();
stop(event);
});
};
start = function(e) {
e.preventDefault();
var bb = this.getBoundingClientRect(),
t = bb.top,
l = bb.left,
h = bb.height,
w = bb.width,
x, y;
center = {
x: l + (w / 2),
y: t + (h / 2)
};
x = e.clientX - center.x;
y = e.clientY - center.y;
startAngle = R2D * Math.atan2(y, x);
return active = true;
};
rotate = function(e) {
e.preventDefault();
var x = e.clientX - center.x,
y = e.clientY - center.y,
d = R2D * Math.atan2(y, x);
rotation = d - startAngle;
return rot.style.webkitTransform = "rotate(" + (angle + rotation) + "deg)";
};
stop = function() {
angle += rotation;
return active = false;
};
init();
}).call(this);
(function() {
var init, rotate, start, stop,
active = false,
angle = 0,
rotation = 0,
startAngle = 0,
center = {
x: 0,
y: 0
},
R2D = 180 / Math.PI,
rot = document.getElementById('aob_disc');
init = function() {
rot.addEventListener("mousedown", start, false);
$(document).bind('mousemove', function(event) {
if (active === true) {
event.preventDefault();
rotate(event);
}
});
$(document).bind('mouseup', function(event) {
event.preventDefault();
stop(event);
});
};
start = function(e) {
e.preventDefault();
var bb = this.getBoundingClientRect(),
t = bb.top,
l = bb.left,
h = bb.height,
w = bb.width,
x, y;
center = {
x: l + (w / 2),
y: t + (h / 2)
};
x = e.clientX - center.x;
y = e.clientY - center.y;
startAngle = R2D * Math.atan2(y, x);
return active = true;
};
rotate = function(e) {
e.preventDefault();
var x = e.clientX - center.x,
y = e.clientY - center.y,
d = R2D * Math.atan2(y, x);
rotation = d - startAngle;
return rot.style.webkitTransform = "rotate(" + (angle + rotation) + "deg)";
};
stop = function() {
angle += rotation;
return active = false;
};
init();
}).call(this);
(function() {
var init, rotate, start, stop,
active = false,
angle = 0,
rotation = 0,
startAngle = 0,
center = {
x: 0,
y: 0
},
R2D = 180 / Math.PI,
rot = document.getElementById('bearing_lead_disc');
init = function() {
rot.addEventListener("mousedown", start, false);
$(document).bind('mousemove', function(event) {
if (active === true) {
event.preventDefault();
rotate(event);
}
});
$(document).bind('mouseup', function(event) {
event.preventDefault();
stop(event);
});
};
start = function(e) {
e.preventDefault();
var bb = this.getBoundingClientRect(),
t = bb.top,
l = bb.left,
h = bb.height,
w = bb.width,
x, y;
center = {
x: l + (w / 2),
y: t + (h / 2)
};
x = e.clientX - center.x;
y = e.clientY - center.y;
startAngle = R2D * Math.atan2(y, x);
return active = true;
};
rotate = function(e) {
e.preventDefault();
var x = e.clientX - center.x,
y = e.clientY - center.y,
d = R2D * Math.atan2(y, x);
rotation = d - startAngle;
return rot.style.webkitTransform = "rotate(" + (angle + rotation) + "deg)";
};
stop = function() {
angle += rotation;
return active = false;
};
init();
}).call(this);
html {
height: 100%;
overflow: hidden;
}
body {
background: #1c1c1c;
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
.wrapper {
height: 100%;
max-height: 960px;
width: 100%;
max-width: 960px;
position: relative;
margin: auto;
}
#attack_disc {
background-image: url('https://zuffdaddy.github.io/uboat-attack-disc/images/1.png');
background-size: contain;
background-repeat: no-repeat;
background-position: center;
width: 30vw;
max-width: 1124px;
height: 30vw;
max-height: 1124px;
margin: auto;
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
transform-origin: 50% 50%;
border-radius: 50%;
}
#course_disc {
background-image: url('https://zuffdaddy.github.io/uboat-attack-disc/images/2.png');
background-size: contain;
background-repeat: no-repeat;
background-position: center;
width: 23vw;
max-width: 868px;
height: 23vw;
max-height: 868px;
margin: auto;
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
transform-origin: 50% 50%;
border-radius: 50%;
}
#aob_disc {
background-image: url('https://zuffdaddy.github.io/uboat-attack-disc/images/3.png');
background-size: contain;
background-repeat: no-repeat;
background-position: center;
width: 15.5vw;
max-width: 592px;
height: 15.5vw;
max-height: 592px;
margin: auto;
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
transform-origin: 50% 50%;
border-radius: 50%;
}
#bearing_lead_disc {
background-image: url('https://zuffdaddy.github.io/uboat-attack-disc/images/4.png');
background-size: cover;
background-repeat: no-repeat;
background-position: center;
width: 23.5vw;
max-width: 884px;
height: 23.5vw;
max-height: 884px;
margin: auto;
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
clip-path: url('#my-clip-path');
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="wrapper">
<div id="attack_disc"></div>
<div id="course_disc"></div>
<div id="aob_disc"></div>
<div id="bearing_lead_disc">
<svg class="svg">
<clipPath id="my-clip-path" clipPathUnits="objectBoundingBox"><path d="M0.501,0 C0.556,0,0.555,0.04,0.555,0.04 C0.555,0.099,0.984,0.229,0.994,0.232 S1,0.243,0.999,0.251 C0.976,0.284,0.874,0.421,0.656,0.469 C0.656,0.469,0.648,0.47,0.647,0.474 C0.646,0.48,0.572,0.984,0.57,0.992 C0.569,0.996,0.569,0.999,0.561,0.999 C0.522,1,0.516,1,0.502,1 C0.487,1,0.482,1,0.443,0.999 C0.434,0.999,0.434,0.996,0.433,0.992 C0.432,0.984,0.358,0.48,0.357,0.474 C0.356,0.47,0.347,0.469,0.347,0.469 H0.347 C0.129,0.421,0.027,0.284,0.005,0.251 C0,0.243,0,0.236,0.01,0.232 S0.449,0.099,0.449,0.04 C0.449,0.04,0.447,0,0.502,0"></path></clipPath>
</svg>
</div>
</div>
The problem appears to be that you extracted the shape and converted it to objectBoundingBox coordinates relative to itself. So the objectBoundingBox coords are no longer relative to your attack disc image.
What you can do is apply a transform to the clip path to scale it down to where it should be. By trial and error I worked out an appropriate scaling that gets it to match the shape it is supposed to clip.
transform="translate(0.5,1) scale(0.415,0.52) translate(-0.5,-1)"
.svg {
position: absolute;
width: 0;
height: 0;
}
.clipped {
width: 884px;
height: 884px;
background: turquoise url(https://zuffdaddy.github.io/uboat-attack-disc/images/4.png);
background-size: cover;
-webkit-clip-path: url(#my-clip-path);
clip-path: url(#my-clip-path);
}
<svg class="svg">
<clipPath id="my-clip-path" clipPathUnits="objectBoundingBox"><path d="M0.501,0 C0.556,0,0.555,0.04,0.555,0.04 C0.555,0.099,0.984,0.229,0.994,0.232 S1,0.243,0.999,0.251 C0.976,0.284,0.874,0.421,0.656,0.469 C0.656,0.469,0.648,0.47,0.647,0.474 C0.646,0.48,0.572,0.984,0.57,0.992 C0.569,0.996,0.569,0.999,0.561,0.999 C0.522,1,0.516,1,0.502,1 C0.487,1,0.482,1,0.443,0.999 C0.434,0.999,0.434,0.996,0.433,0.992 C0.432,0.984,0.358,0.48,0.357,0.474 C0.356,0.47,0.347,0.469,0.347,0.469 H0.347 C0.129,0.421,0.027,0.284,0.005,0.251 C0,0.243,0,0.236,0.01,0.232 S0.449,0.099,0.449,0.04 C0.449,0.04,0.447,0,0.502,0" transform="translate(0.5,1) scale(0.415,0.52) translate(-0.5,-1)"></path></clipPath>
</svg>
<div class="clipped"></div>
Svg better to be inside div
Svg better to be inside div so you have more control on the shape and it's also can be scale.
First I fix your path 'd' with this site (https://aydos.com/svgedit/)
Second I put the svg inside the div
Third I order the svg with view box to suitable (with color red some transparent) like the background-image link in 'bearing_lead_disc' and use css pointer-events:none for ignore clicking on the div and then we can rotate the circles even we clicked on the shape.
link: (https://codepen.io/omergal/pen/qBqzeQa)
pic:
///////////////////////////////
// ------- rotate -------- //
///////////////////////////////
(function() {
var init, rotate, start, stop,
active = false,
angle = 0,
rotation = 0,
startAngle = 0,
center = {
x: 0,
y: 0
},
R2D = 180 / Math.PI,
rot = document.getElementById('attack_disc');
init = function() {
rot.addEventListener("mousedown", start, false);
$(document).bind('mousemove', function(event) {
if (active === true) {
event.preventDefault();
rotate(event);
}
});
$(document).bind('mouseup', function(event) {
event.preventDefault();
stop(event);
});
};
start = function(e) {
e.preventDefault();
var bb = this.getBoundingClientRect(),
t = bb.top,
l = bb.left,
h = bb.height,
w = bb.width,
x, y;
center = {
x: l + (w / 2),
y: t + (h / 2)
};
x = e.clientX - center.x;
y = e.clientY - center.y;
startAngle = R2D * Math.atan2(y, x);
return active = true;
};
rotate = function(e) {
e.preventDefault();
var x = e.clientX - center.x,
y = e.clientY - center.y,
d = R2D * Math.atan2(y, x);
rotation = d - startAngle;
return rot.style.webkitTransform = "rotate(" + (angle + rotation) + "deg)";
};
stop = function() {
angle += rotation;
return active = false;
};
init();
}).call(this);
(function() {
var init, rotate, start, stop,
active = false,
angle = 0,
rotation = 0,
startAngle = 0,
center = {
x: 0,
y: 0
},
R2D = 180 / Math.PI,
rot = document.getElementById('course_disc');
init = function() {
rot.addEventListener("mousedown", start, false);
$(document).bind('mousemove', function(event) {
if (active === true) {
event.preventDefault();
rotate(event);
}
});
$(document).bind('mouseup', function(event) {
event.preventDefault();
stop(event);
});
};
start = function(e) {
e.preventDefault();
var bb = this.getBoundingClientRect(),
t = bb.top,
l = bb.left,
h = bb.height,
w = bb.width,
x, y;
center = {
x: l + (w / 2),
y: t + (h / 2)
};
x = e.clientX - center.x;
y = e.clientY - center.y;
startAngle = R2D * Math.atan2(y, x);
return active = true;
};
rotate = function(e) {
e.preventDefault();
var x = e.clientX - center.x,
y = e.clientY - center.y,
d = R2D * Math.atan2(y, x);
rotation = d - startAngle;
return rot.style.webkitTransform = "rotate(" + (angle + rotation) + "deg)";
};
stop = function() {
angle += rotation;
return active = false;
};
init();
}).call(this);
(function() {
var init, rotate, start, stop,
active = false,
angle = 0,
rotation = 0,
startAngle = 0,
center = {
x: 0,
y: 0
},
R2D = 180 / Math.PI,
rot = document.getElementById('aob_disc');
init = function() {
rot.addEventListener("mousedown", start, false);
$(document).bind('mousemove', function(event) {
if (active === true) {
event.preventDefault();
rotate(event);
}
});
$(document).bind('mouseup', function(event) {
event.preventDefault();
stop(event);
});
};
start = function(e) {
e.preventDefault();
var bb = this.getBoundingClientRect(),
t = bb.top,
l = bb.left,
h = bb.height,
w = bb.width,
x, y;
center = {
x: l + (w / 2),
y: t + (h / 2)
};
x = e.clientX - center.x;
y = e.clientY - center.y;
startAngle = R2D * Math.atan2(y, x);
return active = true;
};
rotate = function(e) {
e.preventDefault();
var x = e.clientX - center.x,
y = e.clientY - center.y,
d = R2D * Math.atan2(y, x);
rotation = d - startAngle;
return rot.style.webkitTransform = "rotate(" + (angle + rotation) + "deg)";
};
stop = function() {
angle += rotation;
return active = false;
};
init();
}).call(this);
(function() {
var init, rotate, start, stop,
active = false,
angle = 0,
rotation = 0,
startAngle = 0,
center = {
x: 0,
y: 0
},
R2D = 180 / Math.PI,
rot = document.getElementById('bearing_lead_disc');
init = function() {
rot.addEventListener("mousedown", start, false);
$(document).bind('mousemove', function(event) {
if (active === true) {
event.preventDefault();
rotate(event);
}
});
$(document).bind('mouseup', function(event) {
event.preventDefault();
stop(event);
});
};
start = function(e) {
e.preventDefault();
var bb = this.getBoundingClientRect(),
t = bb.top,
l = bb.left,
h = bb.height,
w = bb.width,
x, y;
center = {
x: l + (w / 2),
y: t + (h / 2)
};
x = e.clientX - center.x;
y = e.clientY - center.y;
startAngle = R2D * Math.atan2(y, x);
return active = true;
};
rotate = function(e) {
e.preventDefault();
var x = e.clientX - center.x,
y = e.clientY - center.y,
d = R2D * Math.atan2(y, x);
rotation = d - startAngle;
return rot.style.webkitTransform = "rotate(" + (angle + rotation) + "deg)";
};
stop = function() {
angle += rotation;
return active = false;
};
init();
}).call(this);
html {
height: 100%;
overflow: hidden;
}
body {
background: #1c1c1c;
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
.wrapper {
height: 100%;
max-height: 960px;
width: 100%;
max-width: 960px;
position: relative;
margin: auto;
}
#attack_disc {
background-image: url('https://zuffdaddy.github.io/uboat-attack-disc/images/1.png');
background-size: contain;
background-repeat: no-repeat;
background-position: center;
width: 30vw;
max-width: 1124px;
height: 30vw;
max-height: 1124px;
margin: auto;
position: absolute;
top: 0; left: 0; bottom: 0; right: 0;
transform-origin:50% 50%;
border-radius:50%;
}
#course_disc {
background-image: url('https://zuffdaddy.github.io/uboat-attack-disc/images/2.png');
background-size: contain;
background-repeat: no-repeat;
background-position: center;
width: 23vw;
max-width: 868px;
height: 23vw;
max-height: 868px;
margin: auto;
position: absolute;
top: 0; left: 0; bottom: 0; right: 0;
transform-origin:50% 50%;
border-radius:50%;
}
#aob_disc {
background-image: url('https://zuffdaddy.github.io/uboat-attack-disc/images/3.png');
background-size: contain;
background-repeat: no-repeat;
background-position: center;
width: 15.5vw;
max-width: 592px;
height: 15.5vw;
max-height: 592px;
margin: auto;
position: absolute;
top: 0; left: 0; bottom: 0; right: 0;
transform-origin:50% 50%;
border-radius:50%;
}
#bearing_lead_disc {
background-image: url('https://zuffdaddy.github.io/uboat-attack-disc/images/4.png');
/* background-color: red; */
background-size: contain;
background-repeat: no-repeat;
background-position: center;
width: 23.5vw;
max-width: 884px;
height: 23.5vw;
max-height: 884px;
margin: auto;
position: absolute;
top: 0; left: 0; bottom: 0; right: 0;
clip-path: url('#myPath');
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="wrapper">
<div id="attack_disc"></div>
<div id="course_disc"></div>
<div id="aob_disc"></div>
<div id="bearing_lead_disc" style="pointer-events:none;">
<svg viewBox="0 0 512 512" style="width:100%; height:100%;">
<path style="pointer-events:all;" fill="#ff00004d" d="M255.77 26.76c20 0 19.5 18.5 19.5 18.5 0 27 155.5 86.5 159 88s3.61 5.03 1.78 8.5c-8.07 15.27-45.11 77.9-124.18 99.85 0 0-3.05.81-3.32 2.67-.38 2.6-27.27 233.45-27.88 237.47-.27 1.76-.27 2.84-3.35 2.97-14.18.56-16.1.53-21.37.53s-7.19.03-21.37-.53c-3.08-.12-3.09-1.2-3.35-2.97-.61-4.03-27.5-234.88-27.88-237.47-.27-1.86-3.32-2.69-3.32-2.69-79.01-21.98-116.01-84.57-124.08-99.84-1.83-3.47-1.72-7 1.78-8.5s159-61 159-88c0 0-.5-18.5 19.5-18.5" />
</svg>
</div>
</div>

Pulsating color change on svg image

I came across this awesome design today: http://codepen.io/tmrDevelops/pen/jPLpLJ
I really like the pulsating color change. On my website I have an .svg logo that I would like to change color like that when I hover over the image. I would like the actual svg to change color, not the background or anything. I really don't need the on-click animation.
Is this possible with css? I know I have the source right there in the codepen but this is a little above my skills.
Note: It doesn't even have to be based on this code. As long as it looks sort of the same it's ok.
HTML:
<canvas id="canv"></canvas>
<h4>Click For Random Squiggle</h4>
CSS:
#import url(http://fonts.googleapis.com/css?family=Poiret+One);
body {
width: 100%;
margin: 0;
overflow: hidden;
cursor: pointer;
background: hsla(0, 0%, 10%, 1);
font-family: 'Poiret One', serif;
}
h4 {
width: 100%;
position: absolute;
text-align: center;
bottom: 0;
left: 0;
color: hsla(255, 255%, 255%, .5);
font-size: 2em;
letter-spacing: 15px;
user-select: none;
}
JavaScript:
window.requestAnimFrame = (function() {
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function(callback) {
window.setTimeout(callback, 1000 / 60);
};
})();
var max = 50;
var rad = 200;
var c, $, inc, p;
var c = document.getElementById('canv');
var $ = c.getContext('2d');
var w = c.width = window.innerWidth;
var h = c.height = window.innerHeight;
var u = 0;
var go = function() {
upd();
draw();
}
var upd = function() {
for (var i = 0; i < max; i++) {
if (i % 2 == 0) {
p[i].upd(inc);
} else {
p[i].upd(0);
}
}
}
var draw = function() {
u -= .5;
$.clearRect(0, 0, c.width, c.height);
$.fillStyle = 'hsla(0,0%,10%,1)';
$.fillRect(0, 0, w, h);
var xp1 = (p[0].x + p[max - 1].x) / 2;
var yp1 = (p[0].y + p[max - 1].y) / 2;
/*
first beginPath() set is a shadow mimic -
a black underlay, which is not necessary but
the canvas shadow attr kills the springiness
in FF :/ so using this instead for a lil depth.
*/
$.beginPath();
$.strokeStyle = 'hsla(0,0%,5%,.35)';
$.lineWidth = 26;
$.moveTo(xp1, yp1);
for (var i = 0; i < max - 1; i++) {
var xp = (p[i].x + p[i + 1].x) / 2;
var yp = (p[i].y + p[i + 1].y) / 2;
$.quadraticCurveTo(p[i].x - 2, p[i].y + 2, xp, yp);
}
$.quadraticCurveTo(p[i].x, p[i].y, xp1, yp1);
$.closePath();
$.stroke();
//this one is the actual color circle.
$.beginPath();
$.strokeStyle = 'hsla(' + u + ',100%, 50%,1)';
$.lineWidth = 20;
$.moveTo(xp1, yp1);
for (var i = 0; i < max - 1; i++) {
var xp = (p[i].x + p[i + 1].x) / 2;
var yp = (p[i].y + p[i + 1].y) / 2;
$.quadraticCurveTo(p[i].x, p[i].y, xp, yp);
}
$.quadraticCurveTo(p[i].x, p[i].y, xp1, yp1);
$.closePath();
$.stroke();
}
var set = function() {
var rot = 360 / max;
p = [];
for (var i = 0; i < max; i++) {
var pt = new Pt(w / 2, h / 2);
pt.radii = rot * i;
pt.rad = rad;
pt.ready();
p.push(pt);
}
}
window.addEventListener('mousedown', function() {
var rnd = (Math.random() * 410) + 10;
inc = (inc == 0) ? rnd : 0;
}, false);
var ready = function(e) {
inc = 0;
set();
run();
}
var run = function() {
window.requestAnimFrame(run);
go();
}
var Pt = function(midX, midY) {
this.acc = 5;
this.chng = 1.35;
this.midX = midX;
this.midY = midY;
this.vert = 0;
this.x, this.y, this.rad, this.radii, this.dia;
this.ready = function() {
this.dia = this.rad;
this.XY();
}
this.upd = function(inc) {
var r = this.dia + inc;
this.rad = this.getRad(r, this.rad);
this.XY();
}
this.XY = function() {
var cos = Math.cos(this.radii * (Math.PI / 180)) * this.rad;
var sin = Math.sin(this.radii * (Math.PI / 180)) * this.rad;
this.x = cos + this.midX;
this.y = sin + this.midY;
}
this.getRad = function(mv, cur) {
this.vert = (this.vert + ((mv - cur) / this.acc)) / this.chng;
return this.vert + cur;
}
}
window.addEventListener('resize', function() {
c.width = w = window.innerWidth;
c.height = h = window.innerHeight;
set();
}, false);
ready();
Like this?
.hue {
fill: red;
}
.hue:hover {
animation: pulse 10s infinite;
-webkit-animation: pulse 10s infinite;
}
#keyframes pulse {
0% { fill: #ff0000 }
17% { fill: #ffff00 }
33% { fill: #00ff00 }
50% { fill: #00ffff }
67% { fill: #0000ff }
83% { fill: #ff00ff }
100% { fill: #ff0000 }
}
#-webkit-keyframes pulse {
0% { fill: #ff0000 }
17% { fill: #ffff00 }
33% { fill: #00ff00 }
50% { fill: #00ffff }
67% { fill: #0000ff }
83% { fill: #ff00ff }
100% { fill: #ff0000 }
}
<svg>
<circle cx="150" cy="75" r="70" class="hue"/>
</svg>
This should work in Firefox and Chrome.

CSS - how to create circle pie canvas like this?

I really like this element,
but how to create it? I am not sure what's the correct designation of the element...
Thank you very much.
This effect can be achieved by layering a couple arc()s:
// bright blue full circle
d.beginPath();
d.arc(50, 50, 50, 0, 2 * Math.PI, false);
d.fillStyle = "#aaeeff";
d.fill();
// dark blue percentage circle
d.beginPath();
d.moveTo(50, 50);
d.arc(50, 50, 50, -0.5 * Math.PI, 0.78 * 2 * Math.PI - 0.5 * Math.PI, false);
d.fillStyle = "#00aaff";
d.fill();
// white inner filler
d.beginPath();
d.moveTo(50, 50);
d.arc(50, 50, 25, 0, 2 * Math.PI, false);
d.fillStyle = "#ffffff";
d.fill();
and finally rendering the text:
d.moveTo(50, 50);
d.fillStyle = "#606060";
d.font = "12pt sans-serif";
d.fillText("78%", 36, 56);
Fiddle: http://jsfiddle.net/j6NVg/
Instead of using the <canvas> element, I have chosen to construct the pie chart relying on CSS and JS entirely. The HTML markup is as follow:
<div class="pie" data-percent="78">
<div class="left">
<span></span>
</div>
<div class="right">
<span></span>
</div>
</div>
The CSS is as follow. The trick is to split the circle into two halves (the nested .left and .right elements). The halves will have their overflowing content hidden, and contain nested <span> that we will manipulate with JS for rotation later. Add vendor prefixes when appropriate :)
.pie {
background-color: #eee;
border-radius: 50%;
width: 200px;
height: 200px;
overflow: hidden;
position: relative;
}
.pie > div {
float: left;
width: 50%;
height: 100%;
position: relative;
overflow: hidden;
}
.pie span {
background-color: #4a7298;
display: block;
width: 100%;
height: 100%;
}
.pie .left span {
border-top-right-radius: 0;
border-bottom-right-radius: 0;
-webkit-transform-origin: 100% 50%;
transform-origin: 100% 50%;
}
.pie .right span {
border-top-left-radius: 0;
border-bottom-left-radius: 0;
-webkit-transform-origin: 0% 50%;
transform-origin: 0% 50%;
}
.pie:before,
.pie:after {
border-radius: 50%;
display: block;
position: absolute;
top: 50%;
left: 50%;
-webkit-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
}
.pie:before {
background-color: #fff;
content: "";
width: 75%;
height: 75%;
z-index: 100;
}
.pie:after {
content: attr(data-percent) "%";
z-index: 200;
text-align: center;
}
I have used the following with jQuery:
$(function() {
$(".pie").each(function() {
var percent = $(this).data("percent").slice(0,-1), // Removes '%'
$left = $(this).find(".left span"),
$right = $(this).find(".right span"),
deg;
if(percent<=50) {
// Hide left
$left.hide();
// Adjust right
deg = 180 - (percent/100*360)
$right.css({
"transform": "rotateZ(-"+deg+"deg)"
});
} else {
// Adjust left
deg = 180 - ((percent-50)/100*360)
$left.css({
"transform": "rotateZ(-"+deg+"deg)"
});
}
});
});
Here is the fiddle: http://jsfiddle.net/Aw5Rf/7/
Check the below links for more info (not an exact one.But you can get some idea).
<!doctype html>
<html>
<head>
<meta charset="UTF-8" />
<title>Canvas Test</title>
</head>
<body>
<section>
<div>
<canvas id="canvas" width="400" height="300">
This text is displayed if your browser does not support HTML5 Canvas.
</canvas>
</div>
<script type="text/javascript">
var myColor = ["#ECD078","#D95B43","#C02942","#542437","#53777A"];
var myData = [10,30,20,60,40];
function getTotal(){
var myTotal = 0;
for (var j = 0; j < myData.length; j++) {
myTotal += (typeof myData[j] == 'number') ? myData[j] : 0;
}
return myTotal;
}
function plotData() {
var canvas;
var ctx;
var lastend = 0;
var myTotal = getTotal();
canvas = document.getElementById("canvas");
ctx = canvas.getContext("2d");
ctx.clearRect(0, 0, canvas.width, canvas.height);
for (var i = 0; i < myData.length; i++) {
ctx.fillStyle = myColor[i];
ctx.beginPath();
ctx.moveTo(200,150);
ctx.arc(200,150,150,lastend,lastend+
(Math.PI*2*(myData[i]/myTotal)),false);
ctx.lineTo(200,150);
ctx.fill();
lastend += Math.PI*2*(myData[i]/myTotal);
}
}
plotData();
</script>
</section>
</body>
</html>
For more info :Graphing Data in the HTML5 Canvas Element Simple Pie Charts
Another Link : Pure CSS3 Pie Charts effect
This is an online demo: http://jsbin.com/uFaSOwO/1/
First of all what you need can be done exactly using jQuery knob plugin. Still interested in a CSS Solution, than here's what I have done
<div class="load_me"></div>
.load_me {
margin: 100px;
height: 50px;
width: 50px;
border: 5px solid #f00;
border-radius: 50%;
border-top-color: transparent;
}
Demo
Animating the Knob Credits
If you want to prevent the mouse alteration, you can simply add readOnly
$this.knob({
readOnly: true
});
Demo
FIDDLE with ANIMATION
Here's my approach:
var ctx = canvas.getContext('2d');
/*
* in canvas, 0 degrees angle is on the right edge of a circle,
* while we want to start at the top edge of the circle.
* We'll use this variable to compensate the difference.
*/
var relativeAngle = 270;
function drawCanvas() {
ctx.clearRect(0, 0, 90, 90);
//light blue circle
ctx.lineWidth = 20;
ctx.strokeStyle = '#D8E8F7';
ctx.beginPath();
ctx.arc(45, 45, 35, 0, 2*Math.PI);
ctx.stroke();
//dark blue circle
ctx.strokeStyle = '#66ADF4';
ctx.beginPath();
//notice the angle conversion from degrees to radians in the 5th argument
ctx.arc(45, 45, 35, 1.5*Math.PI, ((angle + relativeAngle) / 180) * Math.PI);
ctx.stroke();
//text
ctx.textBaseline = 'middle';
ctx.textAlign = 'center';
ctx.fillStyle = '#666';
ctx.font = 'bold 14px serif';
// angle conversion to percentage value
ctx.fillText(parseInt(100 * angle / 360).toString() + '%', 45, 45);
}
var angle;
function timeout() {
angle = parseInt(360 * percent / 100);
drawCanvas();
if (angle > 360) {
document.getElementById('run').disabled = false;
percent = 0;
return;
}
percent++;
setTimeout(timeout, 10);
};
var percent = 0;
/* START the ANIMATION */
timeout();
At the bottom of the code you'll find a self evaluating function timeout which calls the drawCanvas function every 10 miliseconds and increments the blue circle angle. I hope everything is clear here. If not, feel free to ask!
Enjoy it!

Slider with visible slides from sides and costum animation

1. slider animation shema n1
2. slider animation shema n2
Imagine that there are two sliders one behind another. Both moves synchroniously, to the same side. The first one moves with inertion, to strech, and the bottom one (the main one) starts moving from start.
3. This is how it should look like in browser
4. This is what I have achieved so far
HTML
<div id="ghostCarousel">
<div id="content">
<div>
<img src="http://dqsvds7jo3ykg.cloudfront.net/files/2011/12/Post-Apocalyptic1-820x330.jpg" />
</div>
<div>
<img src="http://dqsvds7jo3ykg.cloudfront.net/files/2011/12/Post-Apocalyptic1-820x330.jpg" />
</div>
<div>
<img src="http://dqsvds7jo3ykg.cloudfront.net/files/2011/12/Post-Apocalyptic1-820x330.jpg" />
</div>
<div>
<img src="http://dqsvds7jo3ykg.cloudfront.net/files/2011/12/Post-Apocalyptic1-820x330.jpg" />
</div>
<div>
<img src="http://dqsvds7jo3ykg.cloudfront.net/files/2011/12/Post-Apocalyptic1-820x330.jpg" />
</div>
</div>
<div class="bg-block"></div>
<div id="gcNav">
</div>
CSS
html, body {
padding:0;
margin:0;
}
#ghostCarousel {
overflow: hidden;
/*position: relative;*/
}
#ghostCarousel #content > div {
width: 820px;
height: 330px;
float: left;
position: relative;
/* nuemus padding reikia padding ploti nustatyt i 0*/
padding-left:15px;
padding-right: 15px;
/*z-index: 99;*/
}
#ghostCarousel #content > div > img {
filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");
/* Firefox 10+, Firefox on Android */
filter: gray;
/* IE6-9 */
-webkit-filter: grayscale(100%);
/* Chrome 19+, Safari 6+, Safari 6+ iOS */
/*z-index: 99;*/
}
#content .active {
z-index: 9999;
}
#content .active img {
/*background: #FFF;*/
filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'1 0 0 0 0, 0 1 0 0 0, 0 0 1 0 0, 0 0 0 1 0\'/></filter></svg>#grayscale") !important;
-webkit-filter: grayscale(0%) !important;
}
.bg-block {
width:880px;
height: 500px;
position: absolute;
top: 0px;
left: 50%;
margin-left: -440px;
background: #FFF;
/*z-index: 100;*/
}
#gcNav {
width: 960px;
position: absolute;
top: 135px;
left: 50%;
/* move the left edge to the center … */
margin-left: -480px;
/* … and move it to the left half the box’ width. */
/*z-index: 9999;*/
}
#gcNav a {
display: block;
width: 40px;
height: 80px;
background: url("http://bisonai.infoaleja.lt/wp-content/themes/bisonai/img/controls.png") no-repeat;
}
#gcNav .left {
background-position: 0 0;
float: left;
}
#gcNav .right {
background-position: -40px 0;
float: right;
}
JS
$(function () {
var content = '#ghostCarousel #content';
var section = content + ' > div';
var v = $(window).width();
var w = $(section).width();
var c;
var itemuKiekis = $('#content div').length;
var vidurinioNr;
var paddingPlotis = 30;
var itemuSarasas = [];
function ghostCarousel() {
for (var i = 1; i <= itemuKiekis; i++) {
itemuSarasas[i] = $('#content div:nth-child(' + (i) + ')').html();
$('#content h3').hide();
$('#content p').hide();
//console.log(itemuSarasas[i]);
}
if (itemuKiekis % 2 === 0) {
c = ((w + paddingPlotis) * $(section).length - v + w) / 2;
vidurinioNr = itemuKiekis / 2 + 1;
var index = 1;
for (var i = vidurinioNr; i <= itemuKiekis; i++) {
$('#content div:nth-child(' + i + ')').html(itemuSarasas[index]);
$('#content div:nth-child(' + index + ')').html(itemuSarasas[i]);
console.log("i:" + i + " index:" + index);
index++;
}
for (var i = 1; i <= vidurinioNr; i++) {
$('#content div:nth-child(' + i + ')').html(itemuSarasas[index]);
console.log("i:" + i + " index:" + index);
index++;
}
} else {
c = ((w + paddingPlotis) * $(section).length - v) / 2;
vidurinioNr = (itemuKiekis + 1) / 2;
var index = 1;
for (var i = vidurinioNr; i <= itemuKiekis; i++) {
$('#content div:nth-child(' + i + ')').html(itemuSarasas[index]);
//console.log("i:" + i);
index++;
}
for (var i = 1; i < vidurinioNr; i++) {
$('#content div:nth-child(' + i + ')').html(itemuSarasas[index]);
console.log("i:" + i);
index++;
}
}
$('#content div:nth-child(' + vidurinioNr + ')').attr("class", "active");
console.log("v:" + v);
console.log("w:" + w);
console.log("c:" + c);
console.log("itemuKiekis:" + itemuKiekis);
console.log("vidurinioNr:" + vidurinioNr);
//TODO: keisti ilgi kad tilptu visos ft, jei netelpa
$(content).width((w + paddingPlotis * 2) * $(section).length);
$(content).css('margin-left', -c);
$('#gcNav a.left').click(function (e) {
e.preventDefault();
if ($(content).is(':animated')) return false;
$('#content .active h3').fadeOut();
$('#content .active p').fadeOut();
$('#content div:nth-child(' + (vidurinioNr + 1) + ')').attr("class", "active");
$('#content div:nth-child(' + (vidurinioNr) + ')').removeClass("active");
$(content).animate({
marginLeft: '-=' + w
}, 500, function () {
var first = $(section).eq(0);
$(section).eq(0).remove();
$(this).animate({
marginLeft: '+=' + w
}, 0);
$(this).append(first);
$('#content .active h3').fadeIn();
$('#content .active p').fadeIn();
});
});
$('#gcNav a.right').click(function (e) {
e.preventDefault();
if ($(content).is(':animated')) return false;
$('#content .active h3').fadeOut();
$('#content .active p').fadeOut();
$('#content div:nth-child(' + (vidurinioNr - 1) + ')').attr("class", "active");
$('#content div:nth-child(' + (vidurinioNr) + ')').removeClass("active");
$(content).animate({
marginLeft: '+=' + w
}, 500, function () {
var end = $(section).length - 1;
var last = $(section).eq(end);
$(section).eq(end).remove();
$(this).animate({
marginLeft: '-=' + w
}, 0);
$(this).prepend(last);
//$('#content div:nth-child(' + vidurinioNr + ')').attr("class","active");
$('#content .active h3').fadeIn();
$('#content .active p').fadeIn();
});
});
}
ghostCarousel();
$(window).resize(function () {
v = $(window).width();
w = $(section).width();
c = ((w + paddingPlotis) * $(section).length - v) / 2;
$(content).css('margin-left', -c);
});
});
working jsfiddle example - http://jsfiddle.net/V9RyW/
If you check fiddle, you will see that pictures make straight line and goes one by one when clicked. Also, the incoming photo gets 'active' class.
How to modify the code, that 1/3 of 3rd and 5th slide in n1 scheme would be hidden behind 4?
Also, how to achieve animation like in shema n2?
This question is quite broad but you can do something like
li{
display:inline-block;
}
li .arrows{
position:relative;
top:50%;
}
I found a JavaScript library called SimplyScroll that allows a group of images to be manually scolled from side-to-side, which appears to be your intention here.
I also found a working example that appears to meet your exact specifications.