-# Copyright 2018 Paul Hänsch
-#
-# This file is part of Serve0
-#
-# Serve0 is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Serve0 is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with Serve0 If not, see <http://www.gnu.org/licenses/>.
-
-cat <<EOF
- <canvas id="lv" width="400" height="480"></canvas><canvas id="rv" width="400" height="480"></canvas>
-
- <video id="video" onclick="videoPlay();">
- <source src="$(urlsafe "$video")" type='video/mp4; codecs="avc1.4D401E, mp3"'>"
- </video>
-
- <script type="text/javascript">
- var render = "${render}";
- var x, y = [], z = [], ox = 0, cnt = 0, ty, tz;
- var video, scale, lv, rv, debug;
- var w, h, scale;
-
- function draw() {
- ty = 0; y.forEach( function(n, i){ ty += n;} ); ty /= 6;
- tz = 0; z.forEach( function(n, i){ tz += n;} ); tz /= 6;
- v = tz / 9.81 / 2;
- r = ty / 9.81 * -90;
- ox = ox + ty * 2;
-
- if ( render == "180" ) {
- if (ox > w / 8) { ox = w / 8; } else if (ox < w / -8) { ox = w / -8; }
- sy = ( v * h + h / 4) |0;
- lc.drawImage(video, (w / 8 + ox) % (w/2) |0, sy, w / 4 |0, h / 2, 0, 0, lv.width, h / 2 * scale);
- rc.drawImage(video, (w / 8 * 5 + ox) % (w/2) |0, sy, w / 4 |0, h / 2, 0, 0, rv.width, h / 2 * scale);
- } else {
- sx = (w / 8 * 3 + ox) % (w) |0;
- lc.drawImage(video, sx, (v * h + h / 8) |0, w / 4 |0, h / 2, 0, 0, lv.width, h / 2 * scale);
- rc.drawImage(video, sx, (v * h + h / 8 * 5) |0, w / 4 |0, h / 2, 0, 0, rv.width, h / 2 * scale);
- if (sx < 0) {
- lc.drawImage(video, sx + w, (v * h + h / 8) |0, w / 4 |0, h / 2, 0, 0, lv.width, h / 2 * scale);
- rc.drawImage(video, sx + w, (v * h + h / 8 * 5) |0, w / 4 |0, h / 2, 0, 0, rv.width, h / 2 * scale);
- } else if ( sx + w / 4 > w) {
- lc.drawImage(video, sx - w, (v * h + h / 8) |0, w / 4 |0, h / 2, 0, 0, lv.width, h / 2 * scale);
- rc.drawImage(video, sx - w, (v * h + h / 8 * 5) |0, w / 4 |0, h / 2, 0, 0, rv.width, h / 2 * scale);
- }
- }
-
- lv.setAttribute("style", "transform: rotate("+r+"deg);")
- rv.setAttribute("style", "transform: rotate("+r+"deg);")
-
- requestAnimationFrame(draw);
- };
- function videoPlay(){
- w = video.videoWidth; h = video.videoHeight;
- scale = lv.width / (w / 4);
- video.play();
- video.setAttribute("style", "display: none;");
- draw();
- };
-
- video = document.getElementById("video");
- lv = document.getElementById("lv");
- rv = document.getElementById("rv");
- debug = document.getElementById("debug");
-
- lv.setAttribute("width", "" + lv.offsetWidth);
- rv.setAttribute("width", "" + rv.offsetWidth);
- lv.setAttribute("height", "" + lv.offsetHeight);
- rv.setAttribute("height", "" + rv.offsetHeight);
-
- lc = lv.getContext("2d");
- rc = rv.getContext("2d");
-
- window.addEventListener("devicemotion", function(event) {
- // x[cnt] = event.accelerationIncludingGravity.x;
- y[cnt] = event.accelerationIncludingGravity.y;
- z[cnt] = event.accelerationIncludingGravity.z;
- cnt = (cnt + 1) % 6;
- }, true);
-
- </script>
-EOF
-
-# vi:set filetype=html: