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Solar Clock - need to update the twilight times on a new day

master
adrian w kirk 2021-07-19 01:51:38 +01:00
parent a8dac4729b
commit 07698a9cf1
1 changed files with 24 additions and 12 deletions
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36
apps/solarclock/solar_clock.js
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@ -159,12 +159,16 @@ function write_date(now){
var last_status_msg = ""
var last_gps_coords_msg_n = "";
var last_gps_coords_msg_e = "";
const GPS_MSG_X_COORD = 65;
const GPS_MSG_X_COORD = 55;
const GPS_MSG_Y = 220;
const GPS_MSG_COORDS_Y_E = 90;
const GPS_MSG_COORDS_Y_N = 105;
var gps_status_requires_update = true;
function write_GPS_status(){
if(!gps_status_requires_update)
return;
var gps_coords = location.getCoordinates();
var gps_coords_msg_n;
var gps_coords_msg_e;
@ -214,6 +218,8 @@ function write_GPS_status(){
last_gps_coords_msg_e = gps_coords_msg_e;
last_gps_coords_msg_n = gps_coords_msg_n;
}
gps_status_requires_update = false;
}
const TWILIGHT_X_COORD = 200;
@ -221,7 +227,11 @@ const SUNUP_Y_COORD = 90;
const SUNDOWN_Y_COORD = 105;
var last_sunup = "";
var last_sundown = "";
var twilight_times_requires_update = true;
function write_twilight_times(){
if(!twilight_times_requires_update)
return;
var sunup;
var sundown;
if(day_info != null) {
@ -251,6 +261,7 @@ function write_twilight_times(){
last_sunup = sunup;
last_sundown = sundown;
twilight_times_requires_update = false;
}
function write_time(now){
@ -308,8 +319,12 @@ let last_draw_time = null;
var day_info = null;
var location = LocationUtils.load_locations();
var last_location_name = null;
var location_requires_update = true;
function write_location_name() {
if(!location_requires_update)
return;
var new_location_name = location.getName();
g.setFont("Vector", 20);
g.setFontAlign(-1, -1, 0);
@ -322,6 +337,7 @@ function write_location_name() {
g.drawString(new_location_name, DATE_X_COORD, LOCATION_Y_COORD);
}
last_location_name = new_location_name;
location_requires_update = false;
}
location.addUpdateListener(
@ -332,10 +348,10 @@ location.addUpdateListener(
day_info = null;
screen_info.sunrise_y = null;
curr_mode = null;
gps_status_requires_update = true;
location_requires_update = true;
twilight_times_requires_update = true;
draw_clock();
write_location_name();
write_GPS_status();
write_twilight_times();
}
);
@ -346,6 +362,7 @@ function dayInfo(now) {
var coords = location.getCoordinates();
if(coords != null) {
day_info = DateUtils.sunrise_sunset(now, coords[0], coords[1], location.getUTCOffset());
twilight_times_requires_update = true;
//console.log("day info:" + JSON.stringify(day_info));
} else {
day_info = null;
@ -378,14 +395,9 @@ function draw_clock(){
write_time(now);
write_date(now);
write_offset();
if(last_location_name == "")
write_location_name();
if(last_gps_coords_msg_n == "")
write_GPS_status();
if(last_sunup == "")
write_twilight_times();
write_location_name();
write_GPS_status();
write_twilight_times();
last_draw_time = now;
log_memory_used();