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play.html
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<!doctype html>
<html>
<head>
<title>ActionStitch Player</title>
<!-- all code in this file is licensed under the GNU Affero General Public License -->
<link rel="license" href="https://www.gnu.org/licenses/agpl-3.0.html">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
<link href="https://vjs.zencdn.net/7.17.0/video-js.css" rel="stylesheet" />
<style>
#perspective-player {
width: 100%; height: 100%; position: absolute; top:0;
}
.modal {
display: none; /* Hidden by default */
position: fixed; /* Stay in place */
padding: 10px; /* Location of the box */
bottom: 50px;
right: 20px;
background-color: rgb(255, 255, 255); /* Fallback color */
background-color: rgba(255, 255, 255, 0.4); /* White w/ opacity */
z-index: 0;
}
.toolbar {
position: fixed; /* Stay in place */
padding: 10px; /* Location of the box */
top: 20px;
left: 20px;
color:rgb(181, 182, 190);
background-color: rgb(68, 70, 76);
z-index: 0;
}
.toolbar button {
width: 30px;
}
</style>
</head>
<body style="margin: 0px;">
<script src="https://vjs.zencdn.net/7.17.0/video.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/tweakpane.min.js"></script>
<div id="container" style="height:100vh">
<video id="as-video" class="video-js vjs-big-play-centered" crossorigin="anonymous" controls preload="auto" data-setup='{"fill":true, "playbackRates": [0.5, 1, 1.5, 2, 4, 8], "userActions":{"click":false}}'>
<p class="vjs-no-js">
To view this video please enable JavaScript, and consider upgrading to a web browser that
<a href="https://videojs.com/html5-video-support/" target="_blank">supports HTML5 video</a>
</p>
</video>
<div style="width: 100%; height: 100%; pointer-events: none; position: absolute; top:0; overflow: hidden ">
<canvas id="stage" style="overflow: hidden; position: absolute; display=none;"></canvas>
</div>
<div id="record-toolbar" class="toolbar tp-rotv" style="display: none">
<div>
<select id="resolution" onchange="selectResolution()">
<option value="800x600">800x600</option>
<option value="1024x768">1024x768</option>
<option value="1280x720">1280x720</option>
<option value="1920x1080">1920x1080</option>
<option value="640x480">640x480</option>
</select>
<button id="addClipButton" onclick="addClip()"><i class="fa fa-plus"></i></button>
<button id="deleteClipButton" disabled onclick="deleteClip()"><i class="fa fa-times"></i></button>
<button id="replayButton" disabled onclick="startReplay(false)"><i class="fa fa-caret-right"></i></button>
<button id="recordButton" disabled onclick="startReplay(true)" style="color:darkred"><i class="fa fa-dot-circle"></i></button>
<button id="stopReplayButton" disabled onclick="stopReplay(false)"><i class="fas fa-square"></i></button>
</div>
<canvas id="capture" width="800" height="600" style="display: none; padding-top: 5px;"></canvas>
</div>
<div id="helpModal" class="modal">
<div class="modal-content">
<span id="helpCloseButton" class="close" style="float: right;">×</span>
<p>
Mouse controls: <br>
<ul>
<li>Left click: play/pause </li>
<li>Right click: fast forward 5 seconds</li>
<li>Scroll: zoom in/out</li>
<li>Move with left button pressed: pan/tilt</li>
</ul>
</p>
<p>
Keyboard controls: <br>
<ul>
<li>Left arrow: rewind 5 seconds</li>
<li>Right arrow: fast forward 5 seconds</li>
<li>Up arrow: step backward</li>
<li>Down arrow: step forward</li>
<li>Space: pause/resume<n/li>
<li>Enter: adjust zoom to match native resolution (flat view only)</li>
</ul>
</p>
</div>
</div>
</div>
<a id="downloadButton" download="hightlight.webm" style="display:none" target="_blank"></a>
<img id="flat-view-icon" style="display: none;" src="data:image/png;base64, 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"/>
<img id="perspective-view-icon" style="display: none;" src="data:image/png;base64, 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"/>
</body>
<script>
var scale = 1;
var centerX = 0;
var centerY = 0;
var mouseX = 0;
var mouseY = 0;
var mouseDown = false;
var mouseMoved;
var perspectiveMode = true;
var video, player, capture, stage;
var stageLeft, stageTop, stageWidth, stageHeight;
var clips = [];
/*var clips = [ {x: 4831, y: 782, scale: 1, time: 1171.920},
{x: 5988, y: 1018, scale: 1, time: 1178.644},
{x: 6795, y: 1396, scale: 1, time: 1183.205} ]; */
var selectedClip = -1;
var isResizingClip = false;
var isReplaying = false;
var mediaRecorder = null;
var mediaStream;
var isRecordingFinished = false;
var captureWidth = 800;
var captureHeight = 600;
document.addEventListener('DOMContentLoaded', function() {
video = document.querySelector("video");
stage = document.getElementById("stage");
capture = document.getElementById("capture");
document.getElementById("replayButton").disabled = clips.length < 2;
document.getElementById("recordButton").disabled = clips.length < 2;
video.addEventListener("wheel", function (event) {
event.preventDefault();
event.stopPropagation();
clientWidth = document.getElementById("as-video").clientWidth;
maxScale = videoWidth / clientWidth;
scale += event.deltaY * -0.01;
scale = Math.min(Math.max(1, scale), maxScale);
setTransform();
});
video.addEventListener("mousedown", function (event) {
if (event.button != 0 || stage.style.display == "none") {
return;
}
mouseDown = true;
mouseMoved = false;
isResizingClip = false;
hit = hitClips(event.clientX, event.clientY);
if (hit >= 0) {
selectedClip = hit;
drawClips();
mouseMoved = true;
if (isResizingClip) {
video.style.cursor="nwse-resize";
} else {
video.style.cursor="move";
}
} else {
if (selectedClip >= 0) {
selectedClip = -1;
drawClips();
mouseMoved = true;
}
video.style.cursor="auto";
}
mouseX = event.clientX;
mouseY = event.clientY;
});
video.addEventListener("mouseup", function (event) {
if (mouseDown) {
mouseDown = false;
if (mouseMoved) {
if (selectedClip >= 0 && video.currentTime != clips[selectedClip].time) {
video.currentTime = clips[selectedClip].time;
}
} else {
if (video.paused) {
video.play();
} else {
video.pause();
}
}
mouseMoved = false;
document.getElementById("deleteClipButton").disabled = selectedClip < 0;
}
video.style.cursor="auto";
});
video.addEventListener("mousemove", function (event) {
if (!mouseDown) {
return;
}
mouseMoved = true;
if (selectedClip >= 0) {
if (isResizingClip) {
clips[selectedClip].scale += (event.clientX - mouseX) * 0.01;
if (clips[selectedClip].scale < 1) {
clips[selectedClip].scale = 1;
}
} else {
clips[selectedClip].x += (event.clientX - mouseX) * scale;
clips[selectedClip].y += (event.clientY - mouseY) * scale;
}
mouseX = event.clientX;
mouseY = event.clientY;
drawClips();
return;
}
centerX -= (event.clientX - mouseX) * scale;
centerY -= (event.clientY - mouseY) * scale;
mouseX = event.clientX;
mouseY = event.clientY;
setTransform();
});
window.addEventListener("keydown", onKeyDown);
video.addEventListener("contextmenu", function (event) {
this.currentTime = this.currentTime + 5;
event.preventDefault();
event.stopPropagation();
});
player = videojs("as-video");
player.el().style.overflow = 'hidden';
var search = window.location.search;
if (search.startsWith("?src=")) {
player.src(search.substring(5));
} else {
player.src("demo.mp4");
}
var backwardButton = player.controlBar.addChild("button", {}, 0);
var backwardButtonDom = backwardButton.el();
backwardButtonDom.innerHTML = '<i class="fas fa-backward"></i>';
backwardButtonDom.onclick = function(){
video.currentTime = video.currentTime - 5;
};
var fowardButton = player.controlBar.addChild("button", {}, 2);
var fowardButtonDom = fowardButton.el();
fowardButtonDom.innerHTML = '<i class="fas fa-forward"></i>';
fowardButtonDom.onclick = function(){
video.currentTime = video.currentTime + 5;
};
var viewButton = player.controlBar.addChild("button");
var viewButtonDom = viewButton.el();
viewButtonDom.id = "viewButton";
viewButtonDom.onclick = function(){
switchView();
};
var recordToggleButton = player.controlBar.addChild("button");
var recordToggleButtonDom = recordToggleButton.el();
recordToggleButtonDom.innerHTML = '<i class="far fa-dot-circle"></i>';
recordToggleButtonDom.onclick = function() {
recordToolbar = document.getElementById("record-toolbar");
if (recordToolbar.style.display == "none") {
recordToolbar.style.display = "block";
if (perspectiveMode) {
addPerspectiveClips();
} else {
stage.style.display = "block";
drawClips();
}
} else {
recordToolbar.style.display = "none";
if (perspectiveMode) {
removePerspectiveClips();
} else {
stage.style.display = "none";
}
}
};
var helpModal = document.getElementById("helpModal");
var helpCloseButton = document.getElementById("helpCloseButton");
var helpButton = player.controlBar.addChild("button");
var helpButtonDom = helpButton.el();
helpButtonDom.innerHTML = "?";
helpButtonDom.onclick = function(){
helpModal.style.display = "block";
}
helpCloseButton.onclick = function() {
helpModal.style.display = "none";
}
video.addEventListener("loadedmetadata", function () {
videoWidth = videojs("as-video").videoWidth();
videoHeight = videojs("as-video").videoHeight();
stage.width = videoWidth;
stage.height = videoHeight;
stage.style.width = (document.getElementById("as-video").clientWidth).toString() + "px";
stage.style.height = (document.getElementById("as-video").clientWidth * videoHeight /videoWidth).toString() + "px";
centerX = videoWidth / 2;
centerY = videoHeight / 2;
scale = videoWidth / document.getElementById("as-video").clientWidth;
setTransform();
initPerspectiveMode();
switchView();
});
});
var perspectiveClips = [];
function removePerspectiveClips() {
for (i = 0; i < perspectiveClips.length; i++) {
scene.remove(perspectiveClips[i]);
perspectiveClips[i].geometry.dispose();
perspectiveClips[i].material.dispose();
}
perspectiveClips = [];
}
function getPerspectiveClipPosition(i) {
w = captureWidth * clips[i].scale;
h = captureHeight * clips[i].scale;
a = (clips[i].x - videoWidth / 2) / controls.focalLength;
r = Math.cos(a / 2);
x = controls.focalLength * Math.cos(a) * r;
y = (clips[i].y - videoHeight / 2) * r;
z = controls.focalLength * Math.sin(a) * r;
t = controls.screenRotation / 180 * Math.PI;
x2 = x * Math.cos(t) - y * Math.sin(t);
y2 = x * Math.sin(t) + y * Math.cos(t);
return [-x2, -y2, -z];
}
function addPerspectiveClips() {
for (i = 0; i < clips.length; i++) {
position = getPerspectiveClipPosition(i);
v = clips[i].y - videoHeight / 2;
radius = controls.focalLength * 0.9;
w = captureWidth * clips[i].scale / controls.focalLength;
m = (Math.PI - (videoWidth - 2 * clips[i].x) / controls.focalLength) / 2;
//m = clips[i].x / videoWidth * Math.PI;
geometry = new THREE.CylinderGeometry(radius, radius, captureHeight * clips[i].scale, 64, 64, true, m - w / 2, w);
geometry.scale(-1, 1, 1);
material = new THREE.MeshBasicMaterial({ color: 0x000080, transparent: true, opacity: 0.5 });
clip = new THREE.Mesh(geometry, material);
clip.position.y = videoHeight / 2 - clips[i].y;
clip.rotation.z = THREE.MathUtils.degToRad(controls.screenRotation);
scene.add(clip);
perspectiveClips.push(clip);
}
}
function switchView() {
viewButtonDom = document.getElementById("viewButton");
recordToolbar = document.getElementById("record-toolbar");
if (perspectiveMode) {
video.style.display = "block";
stage.style.display = "block";
if (recordToolbar.style.display == "block") {
stage.style.display = "block";
drawClips();
}
document.getElementById('perspective-player').style.display = "none";
pane.hidden = true;
perspectiveMode = false;
viewButtonDom.innerHTML = "<img width=24 height=24 src='" + document.getElementById("perspective-view-icon").src + "'/>"
viewButtonDom.title = "Perspective view";
setTransform();
} else {
removePerspectiveClips();
if (recordToolbar.style.display == "block") {
addPerspectiveClips();
}
video.style.display = "none";
stage.style.display = "none";
document.getElementById('perspective-player').style.display = "block";
pane.hidden = false;
viewButtonDom.innerHTML = "<img width=24 height=24 src='" + document.getElementById("flat-view-icon").src + "'/>"
viewButtonDom.title = "Flat view";
perspectiveMode = true;
updatePerspectiveView();
}
}
function selectResolution() {
selected = document.getElementById("resolution");
s = selected.value.split("x");
captureWidth = parseInt(s[0]);
captureHeight = parseInt(s[1]);
capture.width = captureWidth;
capture.height = captureHeight;
capture.style.width = captureWidth.toString() + "px";
capture.style.height = captureHeight.toString() + "px";
drawClips();
}
function setTransform() {
clientWidth = document.getElementById("as-video").clientWidth;
clientHeight = document.getElementById("as-video").clientHeight;
reversedScale = videoWidth / clientWidth / scale;
if (isReplaying) {
for (i = 0; i < clips.length; i++) {
if (clips[i].time > video.currentTime) {
break;
}
}
if (i == 0 || i == clips.length) {
return;
}
r = (video.currentTime - clips[i - 1].time) / (clips[i].time - clips[i - 1].time);
centerX = clips[i - 1].x + r * (clips[i].x - clips[i - 1].x);
centerY = clips[i - 1].y + r * (clips[i].y - clips[i - 1].y);
replayScale = clips[i - 1].scale + r * (clips[i].scale - clips[i - 1].scale);
scale = 1;
context = capture.getContext("2d");
context.drawImage(video, centerX - captureWidth * replayScale / 2, centerY - captureHeight * replayScale / 2, captureWidth * replayScale, captureHeight * replayScale, 0, 0, captureWidth, captureHeight);
video.style.transform = `translate(0px, 0px) scale(1)`;
} else {
centerX = Math.max(centerX, clientWidth / 2 * scale);
centerX = Math.min(centerX, videoWidth - clientWidth / 2 * scale);
if (clientHeight > videoHeight / scale) {
centerY = videoHeight / 2;
} else {
centerY = Math.max(centerY, clientHeight / 2 * scale);
centerY = Math.min(centerY, videoHeight - clientHeight / 2 * scale);
}
translateX = (videoWidth / 2 - centerX) / scale;
translateY = (videoHeight / 2 - centerY) / scale;
video.style.transform = `translate(${translateX}px, ${translateY}px) scale(${reversedScale})`;
}
rect = video.getBoundingClientRect();
stageLeft = rect.x;
stageTop = rect.y;
stageWidth = rect.width;
stageHeight = rect.height;
if (stageHeight > stageWidth * videoHeight / videoWidth) {
stageTop += (stageHeight - stageWidth * videoHeight / videoWidth) / 2;
stageHeight = stageWidth * videoHeight / videoWidth;
}
stage.style.left = stageLeft.toString() + "px";
stage.style.top = stageTop.toString() + "px";
stage.style.width = stageWidth.toString() + "px";
stage.style.height = stageHeight.toString() + "px";
if (!isReplaying) {
drawClips();
}
}
function getStageX(eventX) {
return (eventX - stageLeft) * videoWidth / stageWidth;
}
function getStageY(eventY) {
return (eventY - stageTop) * videoHeight / stageHeight;
}
function hitClips(eventX, eventY) {
stageX = getStageX(eventX);
stageY = getStageY(eventY);
for (let i = clips.length - 1; i >= 0 ; i--) {
w = clips[i].scale * captureWidth;
h = clips[i].scale * captureHeight;
if (stageX >= clips[i].x - w / 2 && stageX <= clips[i].x + w /2 && stageY >= clips[i].y - h / 2 && stageY <= clips[i].y + h / 2) {
if (clips[i].x + w / 2 - stageX < 15 * scale && clips[i].y + h / 2 - stageY < 15 * scale) {
isResizingClip = true;
}
return i;
}
}
return -1;
}
function drawClips() {
context = stage.getContext("2d");
context.clearRect(0, 0, videoWidth, videoHeight);
context.font = '64px serif';
for (let i = 0; i < clips.length; i++) {
context.fillStyle = "#00008040";
w = clips[i].scale * captureWidth;
h = clips[i].scale * captureHeight;
context.fillRect(clips[i].x - w / 2, clips[i].y - h / 2, w, h);
context.fillStyle = "#ffffff";
context.fillText((i+1).toString(), clips[i].x, clips[i].y);
s = clips[i].scale.toFixed(2);
m = context.measureText(s);
context.fillStyle = "#ffffff";
context.fillText(s, clips[i].x + w / 2 - 5 - m.width, clips[i].y - h / 2 + 5 + m.fontBoundingBoxAscent + m.fontBoundingBoxDescent);
hour = Math.floor(clips[i].time / 3600);
minute = Math.floor(clips[i].time / 60).toString().padStart(2, 0)
second = Math.floor(clips[i].time % 60).toString().padStart(2, 0)
milli = Math.floor((clips[i].time % 1) * 1000).toString().padStart(3, 0)
context.fillStyle = "#ffffff";
context.fillText(hour + ":" + minute + ":" + second + "." + milli, clips[i].x - w / 2 + 5, clips[i].y - h / 2 + 5 + m.fontBoundingBoxAscent + m.fontBoundingBoxDescent);
if (i == selectedClip) {
context.beginPath();
context.rect(clips[i].x - w / 2 - 1, clips[i].y - h / 2 - 1, w + 3, h + 3);
context.lineWidth = 4;
context.strokeStyle = "white";
context.stroke();
}
}
}
function addClip() {
video.pause();
clip = {x: centerX, y: centerY, scale: 1, time: video.currentTime };
for (i = 0; i < clips.length; i++) {
if (clip.time == clips[i].time) {
clips.splice(i, 1, clip);
break;
} else if (clip.time < clips[i].time) {
clips.splice(i, 0, clip);
break;
}
}
if (i == clips.length) {
clips.push(clip);
}
drawClips();
document.getElementById("replayButton").disabled = clips.length < 2;
document.getElementById("recordButton").disabled = clips.length < 2;
}
function deleteClip() {
if (selectedClip < 0) {
return;
}
clips.splice(selectedClip, 1);
drawClips();
document.getElementById("replayButton").disabled = clips.length < 2;
document.getElementById("recordButton").disabled = clips.length < 2;
}
function startReplay(isRecording) {
if (isRecording) {
isRecordingFinished = false;
var recordedChunks = [];
if (navigator.userAgent.indexOf('Firefox') > -1) {
mediaStream = capture.captureStream(30 * video.playbackRate);
mediaRecorder = new MediaRecorder(mediaStream, { mimeType: "video/webm;codecs:vp9" });
} else {
mediaStream = capture.captureStream(30 * video.playbackRate);
mediaRecorder = new MediaRecorder(mediaStream, { mimeType: "video/webm;codecs=h264" });
}
mediaRecorder.ondataavailable = function handleDataAvailable(event) {
console.log("media recorder data available");
if (event.data.size > 0 && isRecordingFinished) {
recordedChunks.push(event.data);
var blob = new Blob(recordedChunks, { type: "video/webm" });
var url = URL.createObjectURL(blob);
var a = document.getElementById("downloadButton");
a.href = url;
a.click();
window.URL.revokeObjectURL(url);
}
}
mediaRecorder.start();
}
if (perspectiveMode) {
removePerspectiveClips();
}
document.getElementById("addClipButton").disabled = true;
document.getElementById("deleteClipButton").disabled = true;
document.getElementById("replayButton").disabled = true;
document.getElementById("recordButton").disabled = true;
document.getElementById("stopReplayButton").disabled = false;
stage.style.display = "none";
capture.style.display = "block";
isReplaying = true;
setTransform();
video.currentTime = clips[0].time;
video.play();
if (!perspectiveMode) {
updateFlatView();
}
}
function updateFlatView() {
if (!isReplaying) {
return;
}
if (clips.length > 0 && video.currentTime > clips[clips.length - 1].time) {
stopReplay(true);
return;
} else {
setTransform();
}
requestAnimationFrame(updateFlatView);
}
function stopReplay(isFinished) {
isRecordingFinished = isFinished;
if (mediaRecorder !== null) {
mediaRecorder.stop();
mediaRecorder = null;
}
document.getElementById("addClipButton").disabled = false;
document.getElementById("replayButton").disabled = false;
document.getElementById("recordButton").disabled = false;
document.getElementById("stopReplayButton").disabled = true;
stage.style.display = "block";
capture.style.display = "none";
video.pause();
selectedClip = -1;
isReplaying = false;
scale = videoWidth / document.getElementById("as-video").clientWidth;
setTransform();
drawClips();
if (perspectiveMode) {
addPerspectiveClips();
}
}
var camera, scene, renderer, screen, pane;
var longitude = 0, latitude = 0;
var originalLongitude, originalLatitude;
var controls = {
screenRotation: 0,
cameraY: 0,
focalLength: 2400
}
function initPerspectiveMode() {
video.style.display = "none";
camera = new THREE.PerspectiveCamera(30, window.innerWidth / window.innerHeight, 1, 2 * videoWidth);
scene = new THREE.Scene();
screen = createScreen();
scene.add(screen);
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setClearColor(0xc0c0c0, 1);
renderer.domElement.focus();
renderer.domElement.id = "perspective-player";
document.getElementById('as-video').prepend(renderer.domElement);
renderer.domElement.addEventListener("wheel", function (event) {
event.preventDefault();
event.stopPropagation();
fov = camera.fov;
fov += event.deltaY * -0.1;
camera.fov = Math.min(Math.max(5, fov), 90);
camera.updateProjectionMatrix();
});
renderer.domElement.addEventListener('mousedown', function (event) {
if (event.button != 0) {
return;
}
mouseDown = true;
mouseMoved = false;
mouseX = event.clientX;
mouseY = event.clientY;
originalLatitude = latitude;
originalLongitude = longitude
});
renderer.domElement.addEventListener('mousemove', function(event) {
if (mouseDown) {
mouseMoved = true;
longitude = (mouseX - event.clientX) * 0.1 + originalLongitude;
latitude = (mouseY - event.clientY) * 0.1 + originalLatitude;
}
});
renderer.domElement.addEventListener('mouseup', function() {
if (mouseDown) {
mouseDown = false;
if (!mouseMoved) {
if (video.paused) {
video.play();
} else {
video.pause();
}
}
}
});
renderer.domElement.addEventListener("contextmenu", function (event) {
video.currentTime = video.currentTime + 5;
event.preventDefault();
event.stopPropagation();
});
window.addEventListener('resize', function() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
scale = videoWidth / document.getElementById("as-video").clientWidth;
setTransform();
});
pane = new Tweakpane.Pane();
viewPane = pane.addFolder({ title: "View"});
viewPane.addInput(controls, "cameraY", {min: -500, max: 500, step:10, label: "Camera height"});
viewPane.addInput(controls, "screenRotation", {min: -30, max: 30, step: 1, label: "Screen tilt"}).on('change', function() {
screen.rotation.z = THREE.MathUtils.degToRad(controls.screenRotation);
for (i = 0; i < perspectiveClips.length; i++) {
perspectiveClips[i].rotation.z = THREE.MathUtils.degToRad(controls.screenRotation);
}
});
viewPane.addInput(controls, "focalLength", {min: 1000, max: 5000, step: 50, label: "Focal length"}).on('change', function(){
removePerspectiveClips();
addPerspectiveClips();
scene.remove(screen);
screen.geometry.dispose();
screen.material.dispose();
screen = createScreen();
scene.add(screen);
});
}
function onKeyDown(event) {
if (event.keyCode == 39) {
video.currentTime = video.currentTime + (event.shiftKey ? 20 : 5);
event.preventDefault();
event.stopPropagation();
} else if (event.keyCode == 37) {
video.currentTime = video.currentTime - (event.shiftKey ? 20 : 5);
event.preventDefault();
event.stopPropagation();
} else if (event.keyCode == 38) {
video.currentTime = video.currentTime - 1.0/30;
event.preventDefault();
event.stopPropagation();
} else if (event.keyCode == 40) {
video.currentTime = video.currentTime + 1.0/30;
event.preventDefault();
event.stopPropagation();
} else if (event.keyCode == 32) {
if (video.paused) {
video.play();
} else {
video.pause();
}
event.preventDefault();
event.stopPropagation();
} else if (event.keyCode == 13) {
if (perspectiveMode) {
} else {
scale = 1;
setTransform();
event.preventDefault();
event.stopPropagation();
}
}
}
function createScreen() {
s = videoWidth / controls.focalLength;
var geometry = new THREE.CylinderGeometry(controls.focalLength, controls.focalLength, videoHeight, 512, 512, true, Math.PI / 2 - s / 2, s);
geometry.scale(-1, 1, 1);
var texture = new THREE.VideoTexture(video);
var material = new THREE.MeshBasicMaterial({ map: texture });
return new THREE.Mesh(geometry, material);
}
function updatePerspectiveView() {
if (!perspectiveMode) {
return;
}
var screenWidth, screenHeight;
if (isReplaying) {
for (i = 0; i < clips.length; i++) {
if (clips[i].time > video.currentTime) {
break;
}
}
if (i == 0 || i == clips.length) {
stopReplay(true);
requestAnimationFrame(updatePerspectiveView);
return;
}
r = (video.currentTime - clips[i - 1].time) / (clips[i].time - clips[i - 1].time);
centerX = clips[i - 1].x + r * (clips[i].x - clips[i - 1].x);
centerY = clips[i - 1].y + r * (clips[i].y - clips[i - 1].y);
replayScale = clips[i - 1].scale + r * (clips[i].scale - clips[i - 1].scale);
a = (centerX - videoWidth / 2) / controls.focalLength;
x = controls.focalLength * Math.cos(a);
y = centerY - videoHeight / 2;
z = controls.focalLength * Math.sin(a);
t = controls.screenRotation / 180 * Math.PI;
x2 = x * Math.cos(t) - y * Math.sin(t);
y2 = x * Math.sin(t) + y * Math.cos(t);
if (renderer.domElement.width / renderer.domElement.height > captureWidth / captureHeight) {
screenHeight = renderer.domElement.height;
screenWidth = screenHeight * captureWidth / captureHeight;
a = replayScale * captureWidth / renderer.getPixelRatio() / controls.focalLength;
camera.fov = renderer.domElement.width / screenWidth * a / Math.PI * 180;
} else {
camera.fov = replayScale * captureWidth / renderer.getPixelRatio() / controls.focalLength / Math.PI * 180;
screenWidth = renderer.domElement.width;
screenHeight = screenWidth / captureWidth * captureHeight;
}
camera.position.set(0, controls.cameraY, 0);
camera.lookAt(-x2, -y2 + controls.cameraY, -z);
camera.updateProjectionMatrix();
} else {
latitude = Math.max(- 85, Math.min(85, latitude));
longitude = Math.max(- 85, Math.min(85, longitude));
phi = THREE.MathUtils.degToRad(90 - latitude);
theta = THREE.MathUtils.degToRad(longitude);
x = - controls.focalLength * Math.sin(phi) * Math.cos(theta);
y = - controls.focalLength * Math.cos(phi);
z = - controls.focalLength * Math.sin(phi) * Math.sin(theta);
camera.position.set(0, controls.cameraY, 0);
camera.lookAt(x, y + controls.cameraY, z);
}
renderer.render(scene, camera);
if (isReplaying) {
context = capture.getContext("2d");
context.drawImage(renderer.domElement, renderer.domElement.width / 2 - screenWidth / 2, renderer.domElement.height / 2 - screenHeight / 2,
screenWidth, screenHeight, 0, 0, captureWidth, captureHeight);
}
requestAnimationFrame(updatePerspectiveView);
}
</script>
</html>