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Paul Wako 2018-10-22 09:50:12 -04:00
parent 2fa12b73dd
commit 53447f382c
7 changed files with 111 additions and 3138 deletions
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music/favicon.ico Normal file
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music/gpx/huck_bridge.gpx
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music/gpx/huck_roundabouts_bridge.gpx → music/gpx/huck_roundabouts_bridge.xml
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music/gpx/pilotmtx.gpx → music/gpx/pilotmtn.xml
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music/gpx/pineswamp_at.gpx → music/gpx/pineswamp_at.xml
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music/index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='UTF-8'>
<title>Paul Walko - MUS 3064 Midterm Project</title>
<script type='text/javascript' src='js/distanceFunction.js'></script>
<script type='text/javascript' src='https://tonejs.github.io/build/Tone.min.js'></script>
</head>
<body>
<input type="checkbox" id="pineswamp_at"> <br />
<input type="checkbox" id="pilotmtn"> <br />
<input type="checkbox" id="huck_roundabouts_bridge"> <br />
Select 1 or more tracks to play, then press 'Play':<br />
<br />
<input onclick="toggle_music()" value="Play"></input> <br />
<input type='checkbox' id='pineswamp_at'>Appalachain Trail</input> <br />
<input type='checkbox' id='pilotmtn'>Pilot Mountain</input> <br />
<input type='checkbox' id='huck_roundabouts_bridge'>Huckleberry Trail</input> <br />
<br />
<button id='PlayPause'/>Play/Pause</button> <br />
<script>
let gpx = ['pineswamp_at', 'pilotmtn', 'huck_roundabouts_bridge'];
let gpx_content = [];
let tracks = {'pineswamp_at': {'counter': 0, 'bpm': 0, 'content': []},
'pilotmtn': {'counter': 0, 'bpm': 0, 'content': []},
'huck_roundabouts_bridge': {'counter': 0, 'bpm': 0, 'content': []}};
let bassSynth;
function setup() {
// Create tones for all tunes
for (let i = 0; i < gpx.length; i++) {
function mySetup() {
// Process track data
for (track in tracks) {
// Load tracks
let xmlhttp = new XMLHttpRequest();
xmlhttp.open('GET', 'gpx/' + gpx[i] + '.gpx', false);
xmlhttp.open('GET', 'gpx/' + track + '.xml', false);
xmlhttp.send();
gpx_content.push(xmlhttp.responseText);
// Parse tracks
let points = xmlhttp.responseXML.getElementsByTagName('trkpt');
for (let j = 1; j < points.length; j++) {
// Get distance since last point
let prevlat = points[j - 1].attributes.lat.value;
let prevlon = points[j - 1].attributes.lon.value;
let lat = points[j].attributes.lat.value;
let lon = points[j].attributes.lon.value;
let distance = getDistance(prevlat, prevlon, lat, lon, 'M');
// Time since last track
let prevtime = (new Date(points[j - 1]
.children[1].textContent)).getTime() / 3600000;
let time = (new Date(points[j].children[1]
.textContent)).getTime() / 3600000;
time = time - prevtime;
// Get speed & elevation then add to dict
//// Avg speed is about 10 MPH, so to make this usable
//// everything is scaled by x10, which is used as the
//// BPM
let speed = (distance / time) * 10;
let elevation = points[j].children[0].textContent;
// TODO calculate direction
tracks[track]['content'].push({/*'direction': direction, */
'speed': speed, 'elevation': elevation});
}
// This should always be true but it doesn't hurt to make sure
if (tracks[track]['content'].length > 0) {
tracks[track]['bpm'] = tracks[track]['speed']
}
}
console.log(gpx_content[0]);
// Overall BPM is 200, but the actual tracks don't always play on
// every beat.
// For example with a 150 BPM tune, the counter for that tune
// plays a beat every 200 / 150 beats.
Tone.Transport.bpm.value = 140;
loopBeat = new Tone.Loop(beats, '16n');
loopBeat.start(0);
bassSynth = new Tone.MembraneSynth().toMaster();
//Tone.Transport.start();
document.querySelector("#PlayPause").addEventListener("click", function(){
Tone.Transport.toggle();
});
}
function beats(time) {
bassSynth.triggerAttackRelease('c1', '8n', time);
}
function toggle_music() {
if document.getElementById("pineswamp_at").checked === true) {
// Play pineswamp (or restart)
}
if document.getElementById("pilotmtn").checked === true
}
function play() {
}
function stop() {
}
setup();
window.addEventListener('load', mySetup);
</script>
</body>
</html>

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//:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
//::: :::
//::: This routine calculates the distance between two points (given the :::
//::: latitude/longitude of those points). It is being used to calculate :::
//::: the distance between two locations using GeoDataSource (TM) prodducts :::
//::: :::
//::: Definitions: :::
//::: South latitudes are negative, east longitudes are positive :::
//::: :::
//::: Passed to function: :::
//::: lat1, lon1 = Latitude and Longitude of point 1 (in decimal degrees) :::
//::: lat2, lon2 = Latitude and Longitude of point 2 (in decimal degrees) :::
//::: unit = the unit you desire for results :::
//::: where: 'M' is statute miles (default) :::
//::: 'K' is kilometers :::
//::: 'N' is nautical miles :::
//::: :::
//::: Worldwide cities and other features databases with latitude longitude :::
//::: are available at https://www.geodatasource.com :::
//::: :::
//::: For enquiries, please contact sales@geodatasource.com :::
//::: :::
//::: Official Web site: https://www.geodatasource.com :::
//::: :::
//::: GeoDataSource.com (C) All Rights Reserved 2017 :::
//::: :::
//:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
function getDistance(lat1, lon1, lat2, lon2, unit) {
var radlat1 = Math.PI * lat1/180
var radlat2 = Math.PI * lat2/180
var theta = lon1-lon2
var radtheta = Math.PI * theta/180
var dist = Math.sin(radlat1) * Math.sin(radlat2) + Math.cos(radlat1) * Math.cos(radlat2) * Math.cos(radtheta);
if (dist > 1) {
dist = 1;
}
dist = Math.acos(dist)
dist = dist * 180/Math.PI
dist = dist * 60 * 1.1515
if (unit=="K") { dist = dist * 1.609344 }
if (unit=="N") { dist = dist * 0.8684 }
return dist
}