1 /* Copyright 2018, 2023 Paul Hänsch
3 This file is part of Serve0
5 Serve0 is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Affero General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 Serve0 is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with Serve0 If not, see <http://www.gnu.org/licenses/>.
19 var contLeft = document.createElement("div");
20 var contRight = document.createElement("div");
21 var lv = document.createElement("canvas");
22 var rv = document.createElement("canvas");
23 var debug = document.createElement("p");
25 contLeft.setAttribute("style", "position: fixed; top: 0; left: 0; width: 50%; height: 100%; overflow: hidden; z-index: 100; background-color: #000;");
26 contRight.setAttribute("style", "position: fixed; top: 0; right: 0; width: 50%; height: 100%; overflow: hidden; z-index: 100; background-color: #000;");
27 lv.setAttribute("style", "position: absolute; top: 50%; left: calc(100% - 32mm); max-width: unset; max-height: unset;");
28 rv.setAttribute("style", "position: absolute; top: 50%; left: 32mm; max-width: unset; max-height: unset;");
29 debug.setAttribute("style", "display: none; position: fixed; top: 0; left: 0; z-index: 101; background: #000;");
32 function stereoview(layout, video) {
33 this.layout = layout; this.video = video;
35 let w = video.videoWidth; h = video.videoHeight;
36 let render, controlTimeout = 0;
37 let pitch = 0, roll = 0, yaw = 0;
38 let scale, fov = 90, dist = 32;
40 document.body.appendChild(contLeft ).appendChild( lv );
41 document.body.appendChild(contRight).appendChild( rv );
42 document.body.appendChild( debug );
44 if ( layout == "180") {
45 lv.width = rv.width = w / 2; lv.height = rv.height = h;
47 lv.width = rv.width = w; lv.height = rv.height = h / 2;
50 lc = lv.getContext("2d"); rc = rv.getContext("2d");
53 if ( layout == "180" ) {
54 scale = contLeft.offsetHeight / h * 2 * fov / 90;
55 lc.drawImage(video, 0, 0);
56 rc.drawImage(video, -w / 2, 0);
57 lv.style.transform = rv.style.transform =
58 "translate(" + (yaw / 180 * -w / 4 * scale - w / 4) + "px, " +
59 (pitch / 90 * -h / 2 * scale - h / 2) + "px)" +
60 "rotate(" + roll + "deg) " + "scale(" + (scale / 2) + ", " + scale + ")";
62 scale = contLeft.offsetHeight / h * 4 * fov / 90;
63 lc.drawImage(video, yaw / 180 * -w / 2, 0);
64 lc.drawImage(video, yaw / 180 * -w / 2 + ((yaw>0) ? w : -w), 0);
65 rc.drawImage(video, yaw / 180 * -w / 2, -h/2);
66 rc.drawImage(video, yaw / 180 * -w / 2 + ((yaw>0) ? w : -w), -h/2);
67 lv.style.transform = rv.style.transform =
68 "translate(" + (- w / 2) + "px, " + (pitch / 90 * -h / 2 * (scale / 2) - h / 4) + "px) " +
69 "rotate(" + roll + "deg) " + "scale(" + (scale / 2) + ", " + scale + ")";
72 // debug.textContent = "" + video.currentTime + " " + controlTimeout + " " + tx + " " + ty + " " + tz;
73 debug.textContent = "Pitch: " + pitch.toFixed(2) + " | Yaw: " + yaw.toFixed(2) + " | Roll: " + roll.toFixed(2) +
74 " | FOV: " + fov + " | Eye Distance: " + (2 * dist) + "mm";
76 requestAnimationFrame(draw);
82 let gp = navigator.getGamepads()[0];
83 let date = new Date();
85 debug.innerHTML += "<br/><br/>GamePad: " + gp.axes[0].toFixed(3) + " | " + gp.axes[1].toFixed(3)
86 for (cnt = 0; cnt < 16; cnt++) {
87 gp.buttons[cnt].pressed ? debug.textContent += " | B" + cnt + " 1" : debug.textContent += " | B" + cnt + " 0";
90 if ( gp && Date.now() < controlTimeout ) {
92 } else if (gp.buttons[0].pressed && gp.buttons[5].pressed) {
93 this.layout = layout = "180";
94 document.body.appendChild(contLeft ).appendChild( lv );
95 document.body.appendChild(contRight).appendChild( rv );
96 lv.width = rv.width = w / 2; lv.height = rv.height = h;
98 controlTimeout = Date.now() + 600;
99 } else if (gp.buttons[0].pressed && gp.buttons[4].pressed) {
100 this.layout = layout = "360";
101 document.body.appendChild(contLeft ).appendChild( lv );
102 document.body.appendChild(contRight).appendChild( rv );
103 lv.width = rv.width = w; lv.height = rv.height = h / 2;
105 controlTimeout = Date.now() + 600;
106 } else if (gp.buttons[0].pressed) {
107 ( contLeft.parentElement)? contLeft.parentElement.removeChild(contLeft ):{};
108 (contRight.parentElement)?contRight.parentElement.removeChild(contRight):{};
110 controlTimeout = Date.now() + 300;
111 } else if (gp.buttons[1].pressed) {
112 (debug.style.display == "block") ? debug.style.display = "none" : debug.style.display = "block";
113 controlTimeout = Date.now() + 300;
114 } else if (gp.buttons[5].pressed) {
115 video.paused ? video.play() : video.pause();
116 controlTimeout = Date.now() + 300;
117 } else if (gp.buttons[4].pressed) {
118 video.currentTime += 1 / 30;
119 controlTimeout = Date.now() + 300;
120 } else if (gp.buttons[3].pressed && gp.axes[0] < -.3) {
122 lv.style.left = "calc(100% - " + dist + "mm)";
123 rv.style.left = "" + dist + "mm";
124 date.setTime(date.getTime() + 3 * 365 * 86400 * 1000)
125 document.cookie = "StereoDist=" + dist + "; expires=" + date.toUTCString() + "; path=/";
126 controlTimeout = Date.now() + 300;
127 } else if (gp.buttons[3].pressed && gp.axes[0] > .3) {
129 lv.style.left = "calc(100% - " + dist + "mm)";
130 rv.style.left = "" + dist + "mm";
131 date.setTime(date.getTime() + 3 * 365 * 86400 * 1000)
132 document.cookie = "StereoDist=" + dist + "; expires=" + date.toUTCString() + "; path=/";
133 controlTimeout = Date.now() + 300;
134 } else if (gp.buttons[3].pressed && gp.axes[1] < -.3) {
136 date.setTime(date.getTime() + 3 * 365 * 86400 * 1000)
137 document.cookie = "StereoFOV=" + fov + "; expires=" + date.toUTCString() + "; path=/";
138 controlTimeout = Date.now() + 300;
139 } else if (gp.buttons[3].pressed && gp.axes[1] > .3) {
141 date.setTime(date.getTime() + 3 * 365 * 86400 * 1000)
142 document.cookie = "StereoFOV=" + fov + "; expires=" + date.toUTCString() + "; path=/";
143 controlTimeout = Date.now() + 300;
144 } else if (gp.buttons[2].pressed && gp.axes[0] < -.3) {
145 yaw -= pitch ? ( Math.cos(pitch * Math.PI / 180) % 360 ) : 1;
146 if ( yaw > 180) yaw -= 360;
147 if ( yaw < -180) yaw += 360;
148 controlTimeout = Date.now() + 30;
149 } else if (gp.buttons[2].pressed && gp.axes[0] > .3) {
150 yaw += pitch ? ( Math.cos(pitch * Math.PI / 180) % 360 ) : 1;
151 if ( yaw > 180) yaw -= 360;
152 if ( yaw < -180) yaw += 360;
153 controlTimeout = Date.now() + 30;
154 } else if (gp.buttons[2].pressed && gp.axes[1] < -.3) {
156 controlTimeout = Date.now() + 300;
157 } else if (gp.buttons[2].pressed && gp.axes[1] > .3) {
159 controlTimeout = Date.now() + 300;
160 } else if ( gp.axes[0] > .3) {
161 video.currentTime += 10;
162 controlTimeout = Date.now() + 200;
163 } else if ( gp.axes[0] < -.3) {
164 video.currentTime -= 10;
165 controlTimeout = Date.now() + 200;
166 } else if ( gp.axes[1] > .3) {
167 video.currentTime -= 60;
168 controlTimeout = Date.now() + 300;
169 } else if ( gp.axes[1] < -.3) {
170 video.currentTime += 60;
171 controlTimeout = Date.now() + 300;
175 // mpuevent = new EventSource("http://localhost:314");
176 // var x = [], y = [], z = [], cnt = -1, inertia = 6;
178 // mpuevent.addEventListener("bearing", function(e) {
179 // bearing = e.data.split(" ");
180 // yaw = -parseFloat(bearing[0]);
182 // mpuevent.addEventListener("motion", function(e) {
183 // motion = e.data.split(" ");
185 // cnt = (cnt + 1) % inertia;
186 // x[cnt] = parseFloat(motion[0]);
187 // y[cnt] = parseFloat(motion[1]);
188 // z[cnt] = parseFloat(motion[2]);
190 // // tx = 0; x.forEach( function(n, i){ tx += n; } ); tx /= inertia;
191 // ty = 0; y.forEach( function(n, i){ ty += n; } ); ty /= inertia;
192 // tz = 0; z.forEach( function(n, i){ tz += n; } ); tz /= inertia;
194 // pitch = Math.asin((tz / 9.81 > 1)?1:(tz/9.81)) / Math.PI * 180 + 22.5;
195 // roll = - Math.asin((ty / 9.81 > 1)?1:(ty/9.81)) / Math.PI * 180;
196 // // yaw = (yaw + ty) % 360;
199 window.addEventListener("devicemotion", (function() {
200 let x = [], y = [], z = [], cnt = -1, inertia = 6;
202 cnt = (cnt + 1) % inertia;
204 x[cnt] = event.accelerationIncludingGravity.x;
205 y[cnt] = event.accelerationIncludingGravity.y;
206 z[cnt] = event.accelerationIncludingGravity.z;
208 tx = 0; x.forEach( function(n, i){ tx += n; } ); tx /= inertia;
209 ty = 0; y.forEach( function(n, i){ ty += n; } ); ty /= inertia;
210 tz = 0; z.forEach( function(n, i){ tz += n; } ); tz /= inertia;
212 pitch = Math.asin((tz / 9.81 > 1)?1:(tz/9.81)) / Math.PI * 180;
213 roll = - Math.asin((ty / 9.81 > 1)?1:(ty/9.81)) / Math.PI * 180;
215 - event.rotationRate.alpha / 1000 * event.interval * Math.cos(pitch * Math.PI / 180)
216 - event.rotationRate.gamma / 1000 * event.interval * Math.sin(pitch * Math.PI / 180)
218 if ( yaw > 180) yaw -= 360;
219 if ( yaw < -180) yaw += 360;
221 // pitch = (pitch + event.rotationRate.beta / 1000 * event.interval) % 360;
222 // roll = (roll + event.rotationRate.gamma / 1000 * event.interval) % 360;
223 // yaw = (yaw + ty) % 360;
227 window.addEventListener("click", function(event) {
228 ( contLeft.parentElement)? contLeft.parentElement.removeChild(contLeft ):{};
229 (contRight.parentElement)?contRight.parentElement.removeChild(contRight):{};
230 // video.style.display = "block";
234 dist = dist ? dist : parseInt(document.getElementById("StereoDist").getAttribute("value"));
235 fov = fov ? fov : parseInt(document.getElementById("StereoFOV" ).getAttribute("value"));
238 // video.style.display = "none";