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astrocalc 

- Compatibility with Bangle.js 2
- Get location from My Location
master
Erik Andresen 2022-12-11 22:09:16 +01:00
parent 640fe08d9e
commit 90b68051c5
5 changed files with 27 additions and 91 deletions
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1
.gitignore vendored
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@ -14,3 +14,4 @@ _site
.owncloudsync.log
Desktop.ini
.sync_*.db*
*.swp

1
apps/astrocalc/ChangeLog
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@ -1,3 +1,4 @@
0.01: Create astrocalc app
0.02: Store last GPS lock, can be used instead of waiting for new GPS on start
0.03: Use 'modules/suncalc.js' to avoid it being copied 8 times for different apps
0.04: Compatibility with Bangle.js 2, get location from My Location

107
apps/astrocalc/astrocalc-app.js
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@ -11,8 +11,7 @@
const SunCalc = require("suncalc"); // from modules folder
const storage = require("Storage");
const LAST_GPS_FILE = "astrocalc.gps.json";
let lastGPS = (storage.readJSON(LAST_GPS_FILE, 1) || null);
const BANGLEJS2 = process.env.HWVERSION == 2; // check for bangle 2
function drawMoon(phase, x, y) {
const moonImgFiles = [
@ -73,7 +72,7 @@ function drawTitle(key) {
*/
function drawPoint(angle, radius, color) {
const pRad = Math.PI / 180;
const faceWidth = 80; // watch face radius
const faceWidth = g.getWidth()/3; // watch face radius
const centerPx = g.getWidth() / 2;
const a = angle * pRad;
@ -141,6 +140,7 @@ function drawData(title, obj, startX, startY) {
function drawMoonPositionPage(gps, title) {
const pos = SunCalc.getMoonPosition(new Date(), gps.lat, gps.lon);
const moonColor = g.theme.dark ? {r: 1, g: 1, b: 1} : {r: 0, g: 0, b: 0};
const pageData = {
Azimuth: pos.azimuth.toFixed(2),
@ -150,13 +150,13 @@ function drawMoonPositionPage(gps, title) {
};
const azimuthDegrees = parseInt(pos.azimuth * 180 / Math.PI);
drawData(title, pageData, null, 80);
drawData(title, pageData, null, g.getHeight()/2 - Object.keys(pageData).length/2*20);
drawPoints();
drawPoint(azimuthDegrees, 8, {r: 1, g: 1, b: 1});
drawPoint(azimuthDegrees, 8, moonColor);
let m = setWatch(() => {
let m = moonIndexPageMenu(gps);
}, BTN3, {repeat: false, edge: "falling"});
}, BANGLEJS2 ? BTN : BTN3, {repeat: false, edge: "falling"});
}
function drawMoonIlluminationPage(gps, title) {
@ -166,43 +166,45 @@ function drawMoonIlluminationPage(gps, title) {
];
const phase = SunCalc.getMoonIllumination(new Date());
const phaseIdx = Math.round(phase.phase*8),
const pageData = {
Phase: phaseNames[phase.phase],
Phase: phaseNames[phaseIdx],
};
drawData(title, pageData, null, 35);
drawMoon(phase.phase, g.getWidth() / 2, g.getHeight() / 2);
drawMoon(phaseIdx, g.getWidth() / 2, g.getHeight() / 2);
let m = setWatch(() => {
let m = moonIndexPageMenu(gps);
}, BTN3, {repease: false, edge: "falling"});
}, BANGLEJS2 ? BTN : BTN3, {repease: false, edge: "falling"});
}
function drawMoonTimesPage(gps, title) {
const times = SunCalc.getMoonTimes(new Date(), gps.lat, gps.lon);
const moonColor = g.theme.dark ? {r: 1, g: 1, b: 1} : {r: 0, g: 0, b: 0};
const pageData = {
Rise: dateToTimeString(times.rise),
Set: dateToTimeString(times.set),
};
drawData(title, pageData, null, 105);
drawData(title, pageData, null, g.getHeight()/2 - Object.keys(pageData).length/2*20 + 5);
drawPoints();
// Draw the moon rise position
const risePos = SunCalc.getMoonPosition(times.rise, gps.lat, gps.lon);
const riseAzimuthDegrees = parseInt(risePos.azimuth * 180 / Math.PI);
drawPoint(riseAzimuthDegrees, 8, {r: 1, g: 1, b: 1});
drawPoint(riseAzimuthDegrees, 8, moonColor);
// Draw the moon set position
const setPos = SunCalc.getMoonPosition(times.set, gps.lat, gps.lon);
const setAzimuthDegrees = parseInt(setPos.azimuth * 180 / Math.PI);
drawPoint(setAzimuthDegrees, 8, {r: 1, g: 1, b: 1});
drawPoint(setAzimuthDegrees, 8, moonColor);
let m = setWatch(() => {
let m = moonIndexPageMenu(gps);
}, BTN3, {repease: false, edge: "falling"});
}, BANGLEJS2 ? BTN : BTN3, {repease: false, edge: "falling"});
}
function drawSunShowPage(gps, key, date) {
@ -224,7 +226,7 @@ function drawSunShowPage(gps, key, date) {
Degrees: azimuthDegrees
};
drawData(key, pageData, null, 85);
drawData(key, pageData, null, g.getHeight()/2 - Object.keys(pageData).length/2*20 + 5);
drawPoints();
@ -233,7 +235,7 @@ function drawSunShowPage(gps, key, date) {
m = setWatch(() => {
m = sunIndexPageMenu(gps);
}, BTN3, {repeat: false, edge: "falling"});
}, BANGLEJS2 ? BTN : BTN3, {repeat: false, edge: "falling"});
return null;
}
@ -300,7 +302,7 @@ function indexPageMenu(gps) {
"Moon": () => {
m = moonIndexPageMenu(gps);
},
"< Exit": () => { load(); }
"< Back": () => { load(); }
};
return E.showMenu(menu);
@ -310,78 +312,9 @@ function getCenterStringX(str) {
return (g.getWidth() - g.stringWidth(str)) / 2;
}
/**
* GPS wait page, shows GPS locating animation until it gets a lock, then moves to the Sun page
*/
function drawGPSWaitPage() {
const img = require("heatshrink").decompress(atob("mEwxH+AH4A/AH4AW43GF1wwsFwYwqFwowoFw4wmFxIwdE5YAPF/4vM5nN6YAE5vMF8YtHGIgvhFpQxKF7AuOGA4vXFyAwGF63MFyIABF6xeWMC4UDLwvNGpAJG5gwSdhIIDRBLyWCIgcJHAgJJDoouQF4vMQoICBBJoeGFx6GGACIfHL6YvaX6gvZeCIdFc4gAFXogvGFxgwFDwovQCAguOGAnMMBxeG5guTGAggGGAwNKFySREcA3N5vM5gDBdpQvXEY4AKXqovGGCKbFF7AwPZQwvZGJgtGF7vGdQItG5gSIF7gASF/44WEzgwRF0wwHF1AwFF1QwDF1gvwAH4A/AFAA=="));
const str1 = "Astrocalc v0.02";
const str2 = "Locating GPS";
const str3 = "Please wait...";
g.clear();
g.drawImage(img, 100, 50);
g.setFont("6x8", 1);
g.drawString(str1, getCenterStringX(str1), 105);
g.drawString(str2, getCenterStringX(str2), 140);
g.drawString(str3, getCenterStringX(str3), 155);
if (lastGPS) {
lastGPS = JSON.parse(lastGPS);
lastGPS.time = new Date();
const str4 = "Press Button 3 to use last GPS";
g.setColor("#d32e29");
g.fillRect(0, 190, g.getWidth(), 215);
g.setColor("#ffffff");
g.drawString(str4, getCenterStringX(str4), 200);
setWatch(() => {
clearWatch();
Bangle.setGPSPower(0);
m = indexPageMenu(lastGPS);
}, BTN3, {repeat: false});
}
g.flip();
const DEBUG = false;
if (DEBUG) {
clearWatch();
const gps = {
"lat": 56.45783133333,
"lon": -3.02188583333,
"alt": 75.3,
"speed": 0.070376,
"course": NaN,
"time":new Date(),
"satellites": 4,
"fix": 1
};
m = indexPageMenu(gps);
return;
}
Bangle.on('GPS', (gps) => {
if (gps.fix === 0) return;
clearWatch();
if (isNaN(gps.course)) gps.course = 0;
require("Storage").writeJSON(LAST_GPS_FILE, JSON.stringify(gps));
Bangle.setGPSPower(0);
Bangle.buzz();
Bangle.setLCDPower(true);
m = indexPageMenu(gps);
});
}
function init() {
Bangle.setGPSPower(1);
drawGPSWaitPage();
let location = require("Storage").readJSON("mylocation.json",1)||{"lat":51.5072,"lon":0.1276,"location":"London"};
indexPageMenu(location);
}
let m;

7
apps/astrocalc/metadata.json
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@ -1,12 +1,13 @@
{
"id": "astrocalc",
"name": "Astrocalc",
"version": "0.03",
"version": "0.04",
"description": "Calculates interesting information on the sun and moon cycles for the current day based on your location.",
"icon": "astrocalc.png",
"tags": "app,sun,moon,cycles,tool,outdoors",
"supports": ["BANGLEJS"],
"tags": "app,sun,moon,cycles,tool",
"supports": ["BANGLEJS", "BANGLEJS2"],
"allow_emulator": true,
"dependencies": {"mylocation":"app"},
"storage": [
{"name":"astrocalc.app.js","url":"astrocalc-app.js"},
{"name":"astrocalc.img","url":"astrocalc-icon.js","evaluate":true},

2
modules/suncalc.js
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@ -279,7 +279,7 @@ function hoursLater(date, h) {
// calculations for moon rise/set times are based on http://www.stargazing.net/kepler/moonrise.html article
SunCalc.getMoonTimes = function (date, lat, lng, inUTC) {
var t = new Date(date);
var t = typeof(date) === "object" ? date : new Date(date);
if (inUTC) t.setUTCHours(0, 0, 0, 0);
else t.setHours(0, 0, 0, 0);