dreemgl
Version:
DreemGL is an open-source multi-screen prototyping framework for mediated environments, with a visual editor and shader styling for webGL and DALi runtimes written in JavaScript. As a toolkit for gpu-accelerated multiscreen development, DreemGL includes
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HTML
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CodeRay output</title>
<style type="text/css">
.CodeRay .line-numbers a {
text-decoration: inherit;
color: inherit;
}
body {
background-color: white;
padding: 0;
margin: 0;
}
.CodeRay {
background-color: hsl(0,0%,95%);
border: 1px solid silver;
color: black;
}
.CodeRay pre {
margin: 0px;
}
span.CodeRay { white-space: pre; border: 0px; padding: 2px; }
table.CodeRay { border-collapse: collapse; width: 100%; padding: 2px; }
table.CodeRay td { padding: 2px 4px; vertical-align: top; }
.CodeRay .line-numbers {
background-color: hsl(180,65%,90%);
color: gray;
text-align: right;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
}
.CodeRay .line-numbers a {
background-color: hsl(180,65%,90%) ;
color: gray ;
text-decoration: none ;
}
.CodeRay .line-numbers pre {
word-break: normal;
}
.CodeRay .line-numbers a:target { color: blue ; }
.CodeRay .line-numbers .highlighted { color: red ; }
.CodeRay .line-numbers .highlighted a { color: red ; }
.CodeRay span.line-numbers { padding: 0px 4px; }
.CodeRay .line { display: block; float: left; width: 100%; }
.CodeRay .code { width: 100%; }
.CodeRay .debug { color: white ; background: blue ; }
.CodeRay .annotation { color:#007 }
.CodeRay .attribute-name { color:#b48 }
.CodeRay .attribute-value { color:#700 }
.CodeRay .binary { color:#549 }
.CodeRay .binary .char { color:#325 }
.CodeRay .binary .delimiter { color:#325 }
.CodeRay .char { color:#D20 }
.CodeRay .char .content { color:#D20 }
.CodeRay .char .delimiter { color:#710 }
.CodeRay .class { color:#B06; font-weight:bold }
.CodeRay .class-variable { color:#369 }
.CodeRay .color { color:#0A0 }
.CodeRay .comment { color:#777 }
.CodeRay .comment .char { color:#444 }
.CodeRay .comment .delimiter { color:#444 }
.CodeRay .constant { color:#036; font-weight:bold }
.CodeRay .decorator { color:#B0B }
.CodeRay .definition { color:#099; font-weight:bold }
.CodeRay .delimiter { color:black }
.CodeRay .directive { color:#088; font-weight:bold }
.CodeRay .docstring { color:#D42; }
.CodeRay .doctype { color:#34b }
.CodeRay .done { text-decoration: line-through; color: gray }
.CodeRay .entity { color:#800; font-weight:bold }
.CodeRay .error { color:#F00; background-color:#FAA }
.CodeRay .escape { color:#666 }
.CodeRay .exception { color:#C00; font-weight:bold }
.CodeRay .float { color:#60E }
.CodeRay .function { color:#06B; font-weight:bold }
.CodeRay .function .delimiter { color:#024; font-weight:bold }
.CodeRay .global-variable { color:#d70 }
.CodeRay .hex { color:#02b }
.CodeRay .id { color:#33D; font-weight:bold }
.CodeRay .include { color:#B44; font-weight:bold }
.CodeRay .inline { background-color: hsla(0,0%,0%,0.07); color: black }
.CodeRay .inline-delimiter { font-weight: bold; color: #666 }
.CodeRay .instance-variable { color:#33B }
.CodeRay .integer { color:#00D }
.CodeRay .imaginary { color:#f00 }
.CodeRay .important { color:#D00 }
.CodeRay .key { color: #606 }
.CodeRay .key .char { color: #60f }
.CodeRay .key .delimiter { color: #404 }
.CodeRay .keyword { color:#080; font-weight:bold }
.CodeRay .label { color:#970; font-weight:bold }
.CodeRay .local-variable { color:#950 }
.CodeRay .map .content { color:#808 }
.CodeRay .map .delimiter { color:#40A}
.CodeRay .map { background-color:hsla(200,100%,50%,0.06); }
.CodeRay .namespace { color:#707; font-weight:bold }
.CodeRay .octal { color:#40E }
.CodeRay .operator { }
.CodeRay .predefined { color:#369; font-weight:bold }
.CodeRay .predefined-constant { color:#069 }
.CodeRay .predefined-type { color:#0a8; font-weight:bold }
.CodeRay .preprocessor { color:#579 }
.CodeRay .pseudo-class { color:#00C; font-weight:bold }
.CodeRay .regexp { background-color:hsla(300,100%,50%,0.06); }
.CodeRay .regexp .content { color:#808 }
.CodeRay .regexp .delimiter { color:#404 }
.CodeRay .regexp .modifier { color:#C2C }
.CodeRay .reserved { color:#080; font-weight:bold }
.CodeRay .shell { background-color:hsla(120,100%,50%,0.06); }
.CodeRay .shell .content { color:#2B2 }
.CodeRay .shell .delimiter { color:#161 }
.CodeRay .string { background-color:hsla(0,100%,50%,0.05); }
.CodeRay .string .char { color: #b0b }
.CodeRay .string .content { color: #D20 }
.CodeRay .string .delimiter { color: #710 }
.CodeRay .string .modifier { color: #E40 }
.CodeRay .symbol { color:#A60 }
.CodeRay .symbol .content { color:#A60 }
.CodeRay .symbol .delimiter { color:#740 }
.CodeRay .tag { color:#070; font-weight:bold }
.CodeRay .type { color:#339; font-weight:bold }
.CodeRay .value { color: #088 }
.CodeRay .variable { color:#037 }
.CodeRay .insert { background: hsla(120,100%,50%,0.12) }
.CodeRay .delete { background: hsla(0,100%,50%,0.12) }
.CodeRay .change { color: #bbf; background: #007 }
.CodeRay .head { color: #f8f; background: #505 }
.CodeRay .head .filename { color: white; }
.CodeRay .delete .eyecatcher { background-color: hsla(0,100%,50%,0.2); border: 1px solid hsla(0,100%,45%,0.5); margin: -1px; border-bottom: none; border-top-left-radius: 5px; border-top-right-radius: 5px; }
.CodeRay .insert .eyecatcher { background-color: hsla(120,100%,50%,0.2); border: 1px solid hsla(120,100%,25%,0.5); margin: -1px; border-top: none; border-bottom-left-radius: 5px; border-bottom-right-radius: 5px; }
.CodeRay .insert .insert { color: #0c0; background:transparent; font-weight:bold }
.CodeRay .delete .delete { color: #c00; background:transparent; font-weight:bold }
.CodeRay .change .change { color: #88f }
.CodeRay .head .head { color: #f4f }
.CodeRay {
border: none;
}
</style>
</head>
<body>
<table class="CodeRay"><tr>
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</pre></td>
<td class="code"><pre><span class="comment">/* DreemGL is a collaboration between Teeming Society & Samsung Electronics, sponsored by Samsung and others.
Copyright 2015-2016 Teeming Society. Licensed under the Apache License, Version 2.0 (the "License"); You may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and limitations under the License.*/</span>
define.<span class="reserved">class</span>(<span class="string"><span class="delimiter">'</span><span class="content">$server/service</span><span class="delimiter">'</span></span>, <span class="keyword">function</span>() {
<span class="local-variable">this</span>.attributes = {
<span class="comment">// Current list of beacons visible with the repeater</span>
<span class="comment">// Clients will see the all the visible beacons regardless of when they joined.</span>
<span class="key">beacons</span>: Config({<span class="key">type</span>: Object, <span class="key">value</span>: {}, <span class="key">flow</span>:<span class="string"><span class="delimiter">'</span><span class="content">out</span><span class="delimiter">'</span></span>}),
<span class="comment">// Most recent list of changes to the beacon attribute sent from the server</span>
<span class="comment">// Clients will only see the latest changes added since they join.</span>
<span class="key">changes</span>: Config({<span class="key">type</span>:Array, <span class="key">value</span>:[], <span class="key">flow</span>:<span class="string"><span class="delimiter">'</span><span class="content">out</span><span class="delimiter">'</span></span>}),
<span class="comment">// Keep track of usage by device. The key is the device uuid and the</span>
<span class="comment">// value is a hash of beacon_uuid to the beacon data. Old data is removed</span>
<span class="comment">// from the structure.</span>
<span class="key">device_data</span>: Config({<span class="key">type</span>:Object, <span class="key">value</span>:{}}),
<span class="comment">// Keep track of usage by beacon id. The key is the beacon id and the value</span>
<span class="comment">// is a hash of device_uuid to the beacon data. Old data is removed</span>
<span class="comment">// from the structure.</span>
<span class="key">beacon_data</span>: Config({<span class="key">type</span>:Object, <span class="key">value</span>:{}})
};
<span class="local-variable">this</span>.<span class="function">init</span> = <span class="keyword">function</span>() {
setInterval(<span class="local-variable">this</span>.expire_beacon_data, <span class="integer">10000</span>);
};
<span class="comment">// Keep track of location by device and beacon.</span>
<span class="comment">// The beacon_id is the concatenation of the uuid and major and minor number.</span>
<span class="local-variable">this</span>.<span class="function">postBeacons</span> = <span class="keyword">function</span>(json) {
<span class="comment">// Use the server timestamp, not the timestamp received from device</span>
<span class="keyword">var</span> ts = Date.now();
<span class="keyword">var</span> device = json[<span class="string"><span class="delimiter">'</span><span class="content">device</span><span class="delimiter">'</span></span>];
<span class="keyword">var</span> device_uuid = device[<span class="string"><span class="delimiter">'</span><span class="content">platform</span><span class="delimiter">'</span></span>] + <span class="string"><span class="delimiter">'</span><span class="content">:</span><span class="delimiter">'</span></span> + device[<span class="string"><span class="delimiter">'</span><span class="content">uuid</span><span class="delimiter">'</span></span>];
<span class="keyword">var</span> beacons = json[<span class="string"><span class="delimiter">'</span><span class="content">beacons</span><span class="delimiter">'</span></span>];
<span class="keyword">for</span> (<span class="keyword">var</span> beacon_id <span class="keyword">in</span> beacons) {
<span class="keyword">var</span> beacon = beacons[beacon_id];
<span class="keyword">var</span> beacon_uuid = beacon[<span class="string"><span class="delimiter">'</span><span class="content">proximityUUID</span><span class="delimiter">'</span></span>] + <span class="string"><span class="delimiter">'</span><span class="content">:</span><span class="delimiter">'</span></span> + beacon[<span class="string"><span class="delimiter">'</span><span class="content">major</span><span class="delimiter">'</span></span>] + <span class="string"><span class="delimiter">'</span><span class="content">:</span><span class="delimiter">'</span></span> + beacon[<span class="string"><span class="delimiter">'</span><span class="content">minor</span><span class="delimiter">'</span></span>];
<span class="comment">// Create an array for each beacon and device, as needed</span>
<span class="keyword">if</span> (!(beacon_uuid <span class="keyword">in</span> <span class="local-variable">this</span>.beacon_data)) {
<span class="local-variable">this</span>.beacon_data[beacon_uuid] = {};
}
<span class="keyword">if</span> (!(device_uuid <span class="keyword">in</span> <span class="local-variable">this</span>.device_data)) {
<span class="local-variable">this</span>.device_data[device_uuid] = {};
}
<span class="comment">// Store the same record for both beacon and device structures.</span>
<span class="local-variable">this</span>.beacon_data[beacon_uuid][device_uuid] = {<span class="key">ts</span>: ts, <span class="key">device_uuid</span>: device_uuid, <span class="key">beacon_uuid</span>: beacon_uuid, <span class="key">beacon</span>: beacon};
<span class="local-variable">this</span>.device_data[device_uuid][beacon_uuid] = {<span class="key">ts</span>: ts, <span class="key">device_uuid</span>: device_uuid, <span class="key">beacon_uuid</span>: beacon_uuid, <span class="key">beacon</span>: beacon};
<span class="comment">//xxx set some last ts value changed</span>
}
<span class="local-variable">this</span>.expire_beacon_data();
<span class="local-variable">this</span>.findChanges();
<span class="keyword">return</span> <span class="local-variable">this</span>.beacons;
};
<span class="local-variable">this</span>.<span class="function">expire_beacon_data</span> = <span class="keyword">function</span>(age) {
age = age || <span class="integer">20000</span>;
<span class="keyword">var</span> ts = Date.now();
<span class="keyword">for</span> (<span class="keyword">var</span> beacon_uuid <span class="keyword">in</span> <span class="local-variable">this</span>.beacon_data) {
<span class="keyword">for</span> (<span class="keyword">var</span> device_uuid <span class="keyword">in</span> <span class="local-variable">this</span>.beacon_data[beacon_uuid]) {
<span class="keyword">var</span> delta = ts - <span class="local-variable">this</span>.beacon_data[beacon_uuid][device_uuid][<span class="string"><span class="delimiter">'</span><span class="content">ts</span><span class="delimiter">'</span></span>];
<span class="keyword">if</span> (delta > age) {
<span class="keyword">delete</span> <span class="local-variable">this</span>.beacon_data[beacon_uuid][device_uuid];
<span class="keyword">if</span> (Object.keys(<span class="local-variable">this</span>.beacon_data[beacon_uuid]).length == <span class="integer">0</span>) {
<span class="keyword">delete</span> <span class="local-variable">this</span>.beacon_data[beacon_uuid]
}
}
}
}
<span class="keyword">for</span> (<span class="keyword">var</span> device_uuid <span class="keyword">in</span> <span class="local-variable">this</span>.device_data) {
<span class="keyword">for</span> (<span class="keyword">var</span> beacon_uuid <span class="keyword">in</span> <span class="local-variable">this</span>.device_data[device_uuid]) {
<span class="keyword">var</span> delta = ts - <span class="local-variable">this</span>.device_data[device_uuid][beacon_uuid][<span class="string"><span class="delimiter">'</span><span class="content">ts</span><span class="delimiter">'</span></span>];
<span class="keyword">if</span> (delta > age) {
<span class="keyword">delete</span> <span class="local-variable">this</span>.device_data[device_uuid][beacon_uuid];
<span class="keyword">if</span> (Object.keys(<span class="local-variable">this</span>.device_data[device_uuid]).length == <span class="integer">0</span>) {
<span class="keyword">delete</span> <span class="local-variable">this</span>.device_data[device_uuid]
}
}
}
}
};
<span class="local-variable">this</span>.<span class="function">checkMovement</span> = <span class="keyword">function</span>(distances) {
<span class="keyword">if</span> (distances.length < <span class="integer">4</span>) {
<span class="keyword">return</span> <span class="float">0.0</span>;
}
<span class="keyword">var</span> median1 = distances.slice(<span class="integer">0</span>,<span class="integer">3</span>).sort()[<span class="integer">1</span>];
<span class="keyword">var</span> median2 = distances.slice(<span class="integer">1</span>,<span class="integer">4</span>).sort()[<span class="integer">1</span>];
<span class="keyword">return</span> median2 - median1
};
<span class="comment">// Find intersection of current and previous beacons.</span>
<span class="local-variable">this</span>.<span class="function">intersection</span> = <span class="keyword">function</span> <span class="function">intersection</span>(a, b) {
<span class="keyword">var</span> ai=<span class="integer">0</span>, bi=<span class="integer">0</span>;
<span class="keyword">var</span> result = [];
<span class="keyword">while</span> (ai < a.length && bi < b.length) {
<span class="keyword">if</span> (a[ai] < b[bi]) {
ai++;
} <span class="keyword">else</span> <span class="keyword">if</span> (a[ai] > b[bi] ) {
bi++;
} <span class="keyword">else</span> {
result.push(a[ai]);
ai++;
bi++;
}
}
<span class="keyword">return</span> result;
};
<span class="local-variable">this</span>.<span class="function">findChanges</span> = <span class="keyword">function</span>() {
<span class="keyword">var</span> changelist = [];
<span class="comment">// Unroll the data into a single hash of beacon|device => data</span>
<span class="comment">// To smooth the data (it can be pretty noisy), a distances array of the</span>
<span class="comment">// previous 3 values is maintained, and the median value is selected.</span>
<span class="keyword">var</span> unrolled = {};
<span class="keyword">for</span> (<span class="keyword">var</span> beacon_id <span class="keyword">in</span> <span class="local-variable">this</span>.beacon_data) {
<span class="keyword">if</span> (<span class="local-variable">this</span>.beacon_data.hasOwnProperty(beacon_id)) {
<span class="keyword">var</span> devices = <span class="local-variable">this</span>.beacon_data[beacon_id];
<span class="keyword">for</span> (<span class="keyword">var</span> device_id <span class="keyword">in</span> devices) {
<span class="keyword">if</span> (devices.hasOwnProperty(device_id)) {
<span class="keyword">var</span> id = beacon_id + <span class="string"><span class="delimiter">'</span><span class="content">||</span><span class="delimiter">'</span></span> + device_id;
unrolled[id] = devices[device_id];
}
}
}
}
<span class="keyword">var</span> both = <span class="local-variable">this</span>.intersection(Object.keys(unrolled), Object.keys(<span class="local-variable">this</span>.beacons));
<span class="keyword">for</span> (<span class="keyword">var</span> key <span class="keyword">in</span> unrolled) {
<span class="keyword">if</span> (unrolled.hasOwnProperty(key)) {
<span class="keyword">var</span> data = unrolled[key];
<span class="keyword">var</span> distance_current = data.beacon.distance;
<span class="keyword">if</span> (key <span class="keyword">in</span> both) {
<span class="comment">// Get the median distance stored (uses a clone of the object)</span>
<span class="keyword">var</span> distances = <span class="local-variable">this</span>.beacons[key].distances.slice(<span class="integer">0</span>);
distances.push(distance_current);
<span class="keyword">if</span> (distances.length > <span class="integer">4</span>) {
distances.shift();
}
<span class="keyword">var</span> movement = <span class="float">0.0</span>;
<span class="keyword">if</span> (distances.length >= <span class="integer">4</span>) {
movement = <span class="local-variable">this</span>.checkMovement(distances)
}
<span class="comment">// See if the distance has changed</span>
<span class="keyword">if</span> (movement <= -<span class="float">0.9</span>) {
<span class="comment">// Distance is smaller than before</span>
unrolled[key].distances = [distance_current];
data.distances = distances;
changelist.push({<span class="key">change</span>: <span class="string"><span class="delimiter">'</span><span class="content">+movement</span><span class="delimiter">'</span></span>, <span class="key">movement</span>: movement, <span class="key">data</span>: data})
} <span class="keyword">else</span> <span class="keyword">if</span> (movement >= <span class="float">0.9</span>) {
<span class="comment">// Distance is greater than before</span>
unrolled[key].distances = [distance_current];
data.distances = distances;
changelist.push({<span class="key">change</span>: <span class="string"><span class="delimiter">'</span><span class="content">-movement</span><span class="delimiter">'</span></span>, <span class="key">movement</span>: movement, <span class="key">data</span>: data})
} <span class="keyword">else</span> {
<span class="comment">// Add the distance to the array</span>
unrolled[key].distances = distances
}
} <span class="keyword">else</span> {
unrolled[key].distances = [distance_current];
changelist.push({<span class="key">change</span>: <span class="string"><span class="delimiter">'</span><span class="content">enter</span><span class="delimiter">'</span></span>, <span class="key">data</span>: data})
}
}
}
<span class="keyword">for</span> (<span class="keyword">var</span> k <span class="keyword">in</span> <span class="local-variable">this</span>.beacons) {
<span class="keyword">if</span> (<span class="local-variable">this</span>.beacons.hasOwnProperty(k)) {
<span class="keyword">if</span> (!(k <span class="keyword">in</span> both)) {
changelist.push({<span class="key">change</span>: <span class="string"><span class="delimiter">'</span><span class="content">leave</span><span class="delimiter">'</span></span>, <span class="key">data</span>: data})
}
}
}
<span class="local-variable">this</span>.changes = changelist;
<span class="local-variable">this</span>.beacons = unrolled;
};
});
</pre></td>
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