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template.html
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template.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{TITLE}</title>
<style media="screen">
html, body {
height: 100%;
}
body {
margin: 0;
display: flex;
align-items: center;
justify-content: center;
background-color: black;
font-size: 0;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
overflow: hidden;
}
#w {
display: block;
width: 100vw;
% 4-3 %
height: 75vw;
% /4-3 %
% 16-9 %
height: 56.25vw;
% /16-9 %
position: relative;
}
#m {
position: absolute;
top: 0;
left: 0;
}
% 4-3 %
@media (min-aspect-ratio: 4/3) {
#w {
height: 100vh;
width: calc(400vh / 3);
}
}
% /4-3 %
% 16-9 %
@media (min-aspect-ratio: 16/9) {
#w {
height: 100vh;
width: calc(1600vh / 9);
}
}
% /16-9 %
#s {
width: 100%;
height: 100%;
}
% loading-progress %
#l {
color: #0ff;
position: fixed;
bottom: 0;
left: 0;
font-size: 16px;
}
% /loading-progress %
% fullscreen %
#f {
-webkit-appearance: none;
border: none;
background: none;
position: fixed;
top: 0;
right: 0;
width: 30px;
height: 30px;
cursor: pointer;
background-repeat: no-repeat;
background-position: center;
background-size: 24px;
background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 48 48"%3E%3Cpath d="M14 28h-4v10h10v-4h-6v-6zm-4-8h4v-6h6v-4H10v10zm24 14h-6v4h10V28h-4v6zm-6-24v4h6v6h4V10H28z" fill="%23fff"/%3E%3C/svg%3E');
background-color: rgba(0, 0, 0, 0.5);
border-bottom-left-radius: 10px;
}
.fullscreen #f {
background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 48 48"%3E%3Cpath d="M10 32h6v6h4V28H10v4zm6-16h-6v4h10V10h-4v6zm12 22h4v-6h6v-4H28v10zm4-22v-6h-4v10h10v-4h-6z" fill="%23fff"/%3E%3C/svg%3E');
}
% /fullscreen %
.monitor {
position: absolute;
background-color: rgba(0, 0, 0, 0.3);
border: 1px solid rgba(0, 0, 0, 0.2);
border-radius: 0.25rem;
font-size: 0.75rem;
overflow: hidden;
padding: 3px;
color: white;
white-space: pre;
}
.monitor-label {
margin: 0 5px;
font-weight: bold;
}
.monitor-value {
display: inline-block;
vertical-align: top;
min-width: 34px;
text-align: center;
border-radius: 0.25rem;
overflow: hidden;
text-overflow: ellipsis;
user-select: text;
transform: translateZ(0);
}
.default .monitor-value, .slider .monitor-value {
background-color: rgba(0, 0, 0, 0.5);
margin: 0 5px;
padding: 1px 3px;
}
.large {
background-color: rgba(0, 0, 0, 0.6);
padding: 0.1rem 0.25rem;
min-width: 3rem;
}
.large .monitor-label {
display: none;
}
.large .monitor-value {
font-size: 1rem;
width: 100%;
}
.list {
padding: 0;
overflow: auto;
overflow-x: hidden;
}
.list .monitor-label {
text-align: center;
padding: 3px;
width: 100%;
display: block;
margin: 0;
box-sizing: border-box;
white-space: pre-wrap;
}
.list .monitor-value {
display: block;
}
.row {
margin: 2px 5px;
transform: translateZ(0);
text-align: left;
border-radius: 0.25rem;
background-color: rgba(0, 0, 0, 0.5);
border: 1px solid rgba(0, 0, 0, 0.2);
height: 20px;
line-height: 20px;
padding: 0 5px;
overflow: hidden;
text-overflow: ellipsis;
}
% monitor-colour %
.default .monitor-value, .slider .monitor-value, .large, .row {
background-color: {COLOUR};
}
% /monitor-colour %
.slider input {
display: block;
width: 100%;
transform: translateZ(0);
}
#b {
display: none;
position: absolute;
left: 0;
bottom: 0;
right: 0;
background-color: rgba(0, 0, 0, 0.7);
}
.asking #b {
display: block;
}
#q {
display: block;
margin: 0 10px;
margin-top: 10px;
font-size: 12px;
color: white;
}
#a {
border: none;
background: none;
width: 100%;
font: inherit;
font-size: 16px;
color: white;
padding: 10px;
box-sizing: border-box;
}
#a:focus {
outline: none;
}
</style>
</head>
<body>
<div id="w">
<canvas id="s"></canvas>
<div id="m"></div>
<div id="b">
<label id="q" for="a">Question</label>
<input type="text" id="a">
</div>
</div>
% no-vm %
% 4-3 %
<script src="https://sheeptester.github.io/scratch-vm/vm.min.js"></script>
% /4-3 %
% 16-9 %
<script src="https://sheeptester.github.io/scratch-vm/16-9/vm.min.js"></script>
% /16-9 %
% /no-vm %
% loading-progress %
<span id="l">...</span>
% /loading-progress %
% fullscreen %
<button id="f"></button>
% /fullscreen %
<script type="text/javascript" id="j">
{SCRIPTS}
/* https://www.npmjs.com/package/get-user-media-promise */
!function(e){"use strict";function n(){this.name="NotSupportedError",this.message="getUserMedia is not implemented in this browser"}function i(){this.then=function(){return this};var i=new n;this.catch=function(e){setTimeout(function(){e(i)})}}n.prototype=Error.prototype;var r="undefined"!=typeof Promise,t="undefined"!=typeof navigator,a=t&&navigator.mediaDevices&&navigator.mediaDevices.getUserMedia,o=t&&(navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia);function s(t){return r?a?navigator.mediaDevices.getUserMedia(t):new Promise(function(e,i){if(!o)return i(new n);o.call(navigator,t,e,i)}):new i}s.NotSupportedError=n,s.isSupported=!(!r||!a&&!o),"function"==typeof define&&define.amd?define([],function(){return s}):"object"==typeof module&&module.exports?module.exports=s:(e.navigator||(e.navigator={}),e.navigator.mediaDevices||(e.navigator.mediaDevices={}),e.navigator.mediaDevices.getUserMedia||(e.navigator.mediaDevices.getUserMedia=s))}(this);
/* https://github.com/LLK/scratch-gui/blob/7b658c60c7c04055e575601a861195fe6c9933f3/src/lib/video/camera.js */
const requestStack = [];
const requestVideoStream = videoDesc => {
let streamPromise;
if (requestStack.length === 0) {
streamPromise = navigator.mediaDevices.getUserMedia({
audio: false,
video: videoDesc
});
requestStack.push(streamPromise);
} else if (requestStack.length > 0) {
streamPromise = requestStack[0];
requestStack.push(true);
}
return streamPromise;
};
const requestDisableVideo = () => {
requestStack.pop();
if (requestStack.length > 0) return false;
return true;
};
/* https://github.com/LLK/scratch-gui/blob/7b658c60c7c04055e575601a861195fe6c9933f3/src/lib/video/video-provider.js */
class VideoProvider {
constructor () {
this.mirror = true;
this._frameCacheTimeout = 16;
this._video = null;
this._track = null;
this._workspace = [];
}
static get FORMAT_IMAGE_DATA () {
return 'image-data';
}
static get FORMAT_CANVAS () {
return 'canvas';
}
static get DIMENSIONS () {
return [480, 360];
}
static get ORDER () {
return 1;
}
get video () {
return this._video;
}
enableVideo () {
this.enabled = true;
return this._setupVideo();
}
disableVideo () {
this.enabled = false;
if (this._singleSetup) {
this._singleSetup
.then(this._teardown.bind(this))
.catch(err => this.onError(err));
}
}
_teardown () {
if (this.enabled === false) {
const disableTrack = requestDisableVideo();
this._singleSetup = null;
this._video = null;
if (this._track && disableTrack) {
this._track.stop();
}
this._track = null;
}
}
getFrame ({
dimensions = VideoProvider.DIMENSIONS,
mirror = this.mirror,
format = VideoProvider.FORMAT_IMAGE_DATA,
cacheTimeout = this._frameCacheTimeout
}) {
if (!this.videoReady) {
return null;
}
const [width, height] = dimensions;
const workspace = this._getWorkspace({dimensions, mirror: Boolean(mirror)});
const {videoWidth, videoHeight} = this._video;
const {canvas, context, lastUpdate, cacheData} = workspace;
const now = Date.now();
if (lastUpdate + cacheTimeout < now) {
if (mirror) {
context.scale(-1, 1);
context.translate(width * -1, 0);
}
context.drawImage(this._video,
0, 0, videoWidth, videoHeight,
0, 0, width, height
);
context.setTransform(1, 0, 0, 1, 0, 0);
workspace.lastUpdate = now;
}
if (!cacheData[format]) {
cacheData[format] = {lastUpdate: 0};
}
const formatCache = cacheData[format];
if (formatCache.lastUpdate + cacheTimeout < now) {
if (format === VideoProvider.FORMAT_IMAGE_DATA) {
formatCache.lastData = context.getImageData(0, 0, width, height);
} else if (format === VideoProvider.FORMAT_CANVAS) {
formatCache.lastUpdate = Infinity;
formatCache.lastData = canvas;
} else {
console.error(`video io error - unimplemented format ${format}`);
formatCache.lastUpdate = Infinity;
formatCache.lastData = null;
}
formatCache.lastUpdate = Math.max(workspace.lastUpdate, formatCache.lastUpdate);
}
return formatCache.lastData;
}
onError (error) {
console.error('Unhandled video io device error', error);
}
_setupVideo () {
if (this._singleSetup) {
return this._singleSetup;
}
this._singleSetup = requestVideoStream({
width: {min: 480, ideal: 640},
height: {min: 360, ideal: 480}
})
.then(stream => {
this._video = document.createElement('video');
try {
this._video.srcObject = stream;
} catch (error) {
this._video.src = window.URL.createObjectURL(stream);
}
this._video.play();
this._track = stream.getTracks()[0];
return this;
})
.catch(error => {
this._singleSetup = null;
this.onError(error);
});
return this._singleSetup;
}
get videoReady () {
if (!this.enabled) {
return false;
}
if (!this._video) {
return false;
}
if (!this._track) {
return false;
}
const {videoWidth, videoHeight} = this._video;
if (typeof videoWidth !== 'number' || typeof videoHeight !== 'number') {
return false;
}
if (videoWidth === 0 || videoHeight === 0) {
return false;
}
return true;
}
_getWorkspace ({dimensions, mirror}) {
let workspace = this._workspace.find(space => (
space.dimensions.join('-') === dimensions.join('-') &&
space.mirror === mirror
));
if (!workspace) {
workspace = {
dimensions,
mirror,
canvas: document.createElement('canvas'),
lastUpdate: 0,
cacheData: {}
};
workspace.canvas.width = dimensions[0];
workspace.canvas.height = dimensions[1];
workspace.context = workspace.canvas.getContext('2d');
this._workspace.push(workspace);
}
return workspace;
}
}
const Scratch = window.Scratch = window.Scratch || {};
const runBenchmark = function () {
const vm = new window.NotVirtualMachine();
Scratch.vm = vm;
const storage = new ScratchStorage();
const AssetType = storage.AssetType;
storage.addWebStore([AssetType.Project], () => PROJECT_JSON);
storage.addWebStore([AssetType.ImageVector, AssetType.ImageBitmap, AssetType.Sound], asset => ASSETS[asset.assetId]);
vm.attachStorage(storage);
% loading-progress %
const progress = document.getElementById('l');
const _load = storage.webHelper.load;
let total = 0, complete = 0;
storage.webHelper.load = function (...args) {
const result = _load.call(this, ...args);
total += 1;
progress.textContent = complete + '/' + total;
result.then(() => {
complete += 1;
progress.textContent = complete + '/' + total;
});
return result;
};
% /loading-progress %
if (SRC === 'file') {
fetch(FILE)
.then(r => r.arrayBuffer())
.then(b => Scratch.vm.loadProject(b));
} else {
Scratch.vm.downloadProjectId('');
}
vm.on('workspaceUpdate', () => {
% loading-progress %
document.body.removeChild(progress);
% /loading-progress %
const doNothing = () => null;
vm.setVideoProvider(new VideoProvider());
vm.setCloudProvider({
updateVariable(name, value) {
try {
localStorage.setItem('[s3] ' + name, value);
} catch (e) {
console.error('Cannot use localStorage?', e);
}
},
createVariable: doNothing,
renameVariable: doNothing,
deleteVariable: doNothing,
requestCloseConnection: doNothing
});
setTimeout(() => {
for (let i = 0; i < localStorage.length; i++) {
const key = localStorage.key(i);
if (key.slice(0, 5) === '[s3] ') {
vm.postIOData('cloud', {
varUpdate: {
name: key.slice(5),
value: localStorage.getItem(key)
}
});
}
}
window.addEventListener('storage', e => {
if (e.storageArea === localStorage && e.key.slice(0, 5) === '[s3] ') {
vm.postIOData('cloud', {
varUpdate: {
name: e.key.slice(5),
value: e.newValue
}
});
}
});
});
vm.setCompatibilityMode(COMPAT);
vm.setTurboMode(TURBO);
vm.greenFlag();
document.body.removeChild(document.getElementById('j'));
});
function resize() {
const rect = canvas.getBoundingClientRect();
renderer.resize(rect.width, rect.height);
monitorWrapper.style.transform = `scale(${rect.height / 360})`;
}
const monitorWrapper = document.getElementById('m');
const canvas = document.getElementById('s');
% 4-3 %
const renderer = new window.ScratchRender(canvas);
% /4-3 %
% 16-9 %
const renderer = new window.ScratchRender(canvas, -320, 320);
% /16-9 %
resize();
Scratch.renderer = renderer;
vm.attachRenderer(renderer);
const audioEngine = new window.AudioEngine();
vm.attachAudioEngine(audioEngine);
vm.attachV2SVGAdapter(new ScratchSVGRenderer.SVGRenderer());
vm.attachV2BitmapAdapter(new ScratchSVGRenderer.BitmapAdapter());
const askBoxWrapper = document.getElementById('b');
const question = document.getElementById('q');
const askBox = document.getElementById('a');
/* https://github.com/LLK/scratch-gui/blob/develop/src/containers/stage.jsx#L176-L300 */
const getEventXY = e => {
if (e.touches && e.touches[0]) {
return {x: e.touches[0].clientX, y: e.touches[0].clientY};
} else if (e.changedTouches && e.changedTouches[0]) {
return {x: e.changedTouches[0].clientX, y: e.changedTouches[0].clientY};
}
return {x: e.clientX, y: e.clientY};
};
let mouseDown = false,
mouseDownPosition = null,
mouseDownTimeoutId = null,
isDragging = false,
dragId = null,
dragOffset = null;
function cancelMouseDownTimeout() {
if (mouseDownTimeoutId !== null) {
clearTimeout(mouseDownTimeoutId);
}
mouseDownTimeoutId = null;
}
function onStartDrag() {
if (dragId) return;
const drawableId = renderer.pick(...mouseDownPosition);
if (drawableId === null) return;
const targetId = vm.getTargetIdForDrawableId(drawableId);
if (targetId === null) return;
const target = vm.runtime.getTargetById(targetId);
if (!target.draggable) return;
target.goToFront();
const drawableData = renderer.extractDrawable(drawableId, ...mouseDownPosition);
vm.startDrag(targetId);
isDragging = true;
dragId = targetId;
dragOffset = drawableData.scratchOffset;
}
function getScratchCoords(x, y, rect) {
const nativeSize = renderer.getNativeSize();
return [
(nativeSize[0] / rect.width) * (x - (rect.width / 2)),
(nativeSize[1] / rect.height) * (y - (rect.height / 2))
];
}
function mousemove(e) {
const {x, y} = getEventXY(e);
const rect = canvas.getBoundingClientRect();
const mousePosition = [x - rect.left, y - rect.top];
if (mouseDown && !isDragging) {
const distanceFromMouseDown = Math.sqrt(
Math.pow(mousePosition[0] - mouseDownPosition[0], 2) +
Math.pow(mousePosition[1] - mouseDownPosition[1], 2)
);
if (distanceFromMouseDown > 3) {
cancelMouseDownTimeout();
onStartDrag();
}
}
if (mouseDown && isDragging) {
const spritePosition = getScratchCoords(mousePosition[0], mousePosition[1], rect);
vm.postSpriteInfo({
x: spritePosition[0] + dragOffset[0],
y: -(spritePosition[1] + dragOffset[1]),
force: true
});
}
Scratch.vm.postIOData('mouse', {
x: mousePosition[0],
y: mousePosition[1],
canvasWidth: rect.width,
canvasHeight: rect.height
});
}
function mousedown(e) {
const {x, y} = getEventXY(e);
const rect = canvas.getBoundingClientRect();
const mousePosition = [x - rect.left, y - rect.top];
mouseDown = true;
mouseDownPosition = mousePosition;
mouseDownTimeoutId = setTimeout(onStartDrag, 400);
Scratch.vm.postIOData('mouse', {
isDown: true,
x: mousePosition[0],
y: mousePosition[1],
canvasWidth: rect.width,
canvasHeight: rect.height
});
e.preventDefault();
if (!document.body.classList.contains('asking')) {
window.focus();
}
}
function mouseup(e) {
const {x, y} = getEventXY(e);
const rect = canvas.getBoundingClientRect();
cancelMouseDownTimeout();
mouseDown = false;
mouseDownPosition = null;
if (isDragging) {
vm.stopDrag(dragId);
isDragging = false;
dragOffset = null;
dragId = null;
}
Scratch.vm.postIOData('mouse', {
isDown: false,
x: x - rect.left,
y: y - rect.top,
canvasWidth: rect.width,
canvasHeight: rect.height
});
}
document.addEventListener('mousemove', mousemove);
canvas.addEventListener('mousedown', mousedown);
document.addEventListener('mouseup', mouseup);
document.addEventListener('touchmove', mousemove);
canvas.addEventListener('touchstart', mousedown, {passive: false});
document.addEventListener('touchend', mouseup, {passive: false});
canvas.addEventListener('wheel', e => {
Scratch.vm.postIOData('mouseWheel', {
deltaX: e.deltaX,
deltaY: e.deltaY
});
e.preventDefault();
});
window.addEventListener('resize', resize);
/* https://github.com/LLK/scratch-gui/blob/develop/src/lib/vm-listener-hoc.jsx#L86-L115 */
document.addEventListener('keydown', e => {
if (e.target !== document && e.target !== document.body) return;
const key = !e.key || e.key === 'Dead' ? e.keyCode : e.key;
Scratch.vm.postIOData('keyboard', {
key: key,
isDown: true
});
if (e.keyCode === 32 || e.keyCode >= 37 && e.keyCode <= 40) {
e.preventDefault();
}
});
document.addEventListener('keyup', e => {
const key = !e.key || e.key === 'Dead' ? e.keyCode : e.key;
Scratch.vm.postIOData('keyboard', {
key: key,
isDown: false
});
if (e.target !== document && e.target !== document.body) {
e.preventDefault();
}
});
Scratch.vm.runtime.addListener('QUESTION', questionData => {
/* null means the asking was interrupted by stop script block */
if (questionData === null) {
document.body.classList.remove('asking');
} else {
document.body.classList.add('asking');
question.textContent = questionData;
askBox.value = '';
askBox.focus();
}
});
askBox.addEventListener('keydown', e => {
if (e.keyCode === 13) {
document.body.classList.remove('asking');
/* submit answer after because it starts the next question synchronously */
Scratch.vm.runtime.emit('ANSWER', askBox.value);
}
});
const getVariable = (targetId, variableId) => {
const target = targetId ?
Scratch.vm.runtime.getTargetById(targetId) :
Scratch.vm.runtime.getTargetForStage();
return target.variables[variableId];
};
const monitorStates = {};
let once = false;
Scratch.vm.runtime.addListener('MONITORS_UPDATE', monitors => {
monitors.forEach((record, id) => {
if (!monitorStates[id]) {
const monitor = document.createElement('div');
monitor.className = 'monitor ' + record.mode;
monitor.style.left = record.x + 'px';
monitor.style.top = record.y + 'px';
if (record.mode === 'list') {
monitor.style.width = record.width + 'px';
monitor.style.height = record.height + 'px';
}
const label = document.createElement('span');
label.className = 'monitor-label';
let name = record.params.VARIABLE || record.params.LIST || record.opcode;
if (record.spriteName) name = `${record.spriteName}: ${name}`;
label.textContent = name;
monitor.appendChild(label);
const value = document.createElement('span');
value.className = 'monitor-value';
monitor.appendChild(value);
monitorStates[id] = {monitor, value};
if (record.mode === 'slider') {
const slider = document.createElement('input');
slider.type = 'range';
slider.min = record.sliderMin;
slider.max = record.sliderMax;
slider.step = record.isDiscrete ? 1 : 0.01;
slider.addEventListener('input', e => {
getVariable(record.targetId, id).value = slider.value;
});
slider.addEventListener('change', e => {
getVariable(record.targetId, id).value = slider.value;
});
monitorStates[id].slider = slider;
monitor.appendChild(slider);
}
monitorWrapper.appendChild(monitor);
}
monitorStates[id].monitor.style.display = record.visible ? null : 'none';
if (record.visible) {
let value = record.value;
if (typeof value === 'number') {
value = Number(value.toFixed(6));
}
if (typeof value === 'boolean') {
value = value.toString();
}
if (Array.isArray(value)) {
if (monitorStates[id].lastValue === JSON.stringify(value)) return;
monitorStates[id].value.innerHTML = '';
value.forEach(val => {
const row = document.createElement('div');
row.className = 'row';
row.textContent = val;
monitorStates[id].value.appendChild(row);
});
} else {
monitorStates[id].value.textContent = value;
if (monitorStates[id].slider) monitorStates[id].slider.value = value;
}
}
});
});
Scratch.vm.postIOData('userData', {username: DESIRED_USERNAME});
vm.start();
};
window.onload = function () {
runBenchmark();
window.focus();
};
% fullscreen %
function isFullscreen() {
return document.fullscreenElement || document.mozFullScreenElement
|| document.webkitFullscreenElement || document.msFullscreenElement;
}
const fullscreenBtn = document.getElementById('f');
fullscreenBtn.addEventListener('click', e => {
fullscreenBtn.blur();
if (isFullscreen()) {
if (document.exitFullscreen) document.exitFullscreen();
else if (document.msExitFullscreen) document.msExitFullscreen();
else if (document.mozCancelFullScreen) document.mozCancelFullScreen();
else if (document.webkitExitFullscreen) document.webkitExitFullscreen();
} else {
if (document.body.requestFullscreen) document.body.requestFullscreen();
else if (document.body.msRequestFullscreen) document.body.msRequestFullscreen();
else if (document.body.mozRequestFullScreen) document.body.mozRequestFullScreen();
else if (document.body.webkitRequestFullscreen) document.body.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
}
});
function onFullscreenChange() {
if (isFullscreen()) {
document.body.classList.add('fullscreen');
} else {
document.body.classList.remove('fullscreen');
}
}
document.addEventListener('fullscreenchange', onFullscreenChange);
document.addEventListener('mozfullscreenchange', onFullscreenChange);
document.addEventListener('webkitfullscreenchange', onFullscreenChange);
document.addEventListener('msfullscreenchange', onFullscreenChange);
% /fullscreen %
</script>
</body>
</html>