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trail: Start map draw around current position.

master
Pavel Machek 2025-07-22 22:43:36 +02:00
parent 401f20514c
commit 8acb48a97c
1 changed files with 96 additions and 32 deletions
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128
apps/trail/trail.app.js
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@ -496,7 +496,7 @@ function angleDifference(angle1, angle2) {
/* These are initialized by read() function, below */
var start = {}, destination = {}, num = 0, dist = 0;
function read(pp, n) {
function read(pp, n, candy) {
let f = require("Storage").open(n+".st", "r");
let l = f.readLine();
let prev = 0;
@ -513,12 +513,15 @@ function read(pp, n) {
if (pp.g)
paint(pp, prev, p, 1);
} else {
zoom.geoNew(p, 3000);
if (candy)
zoom.geoNew(p, 3000);
start = p;
if (candy) {
pp.lat = p.lat;
pp.lon = p.lon;
}
/* FIXME: won't init destination */
return;
//return;
}
prev = p;
}
@ -526,10 +529,10 @@ function read(pp, n) {
if (!(num % 30)) {
g.clear();
zoom.geoPaint(prev, 0, 2500);
g.drawString(num + "\n" + fmt.fmtDist(dist / 1000), 3, 3);
g.drawString(num + "\n" + fmt.fmtDist(dist / 1000) + "\n" + track_name, 3, 3);
g.flip();
print(num, "points");
if (!(num % 300)) {
if (candy && !(num % 300)) {
zoom.geoNew(prev, 3000);
}
}
@ -539,8 +542,9 @@ function read(pp, n) {
destination = prev;
}
/* Convert to storagefile, and find out start/stop points (and display some eye-candy) */
function time_read(n) {
/* Find out start/stop points (and display some eye-candy) */
function time_read() {
let n = track_name
ui.drawMsg("Converting");
print("Converting...");
to_storage(n);
@ -552,7 +556,7 @@ function time_read(n) {
pp.x = 176/2;
pp.y = 176/2;
pp.g = zoom.buf;
read(pp, n);
read(pp, n, 1);
// { rotate: Math.PI / 4 + i/100, scale: 1-i/100 }
let v2 = getTime();
@ -681,43 +685,59 @@ function step_to(pp, pass_all) {
return quiet;
}
var demo_mode = 0;
var demo_mode = 0, zoom_mode = 0;
function step() {
const fast = 0;
let follow = 0;
switch (ui.display) {
case 0: follow = 1; break;
case 1: break;
case 2: follow = 1; break;
}
let v1 = getTime();
g.reset().clear();
let fix = gps.getGPSFix();
let have_more = load_next();
let have_more = 1;
if (follow)
have_more = load_next();
let pp = fix;
pp.ppm = 0.08 * 3; /* Pixels per meter */
pp.g = g;
if (demo_mode || !fix.fix) {
if (follow && (demo_mode || !fix.fix)) {
let i = 2;
pp.lat = track[i].lat;
pp.lon = track[i].lon;
pp.course = fmt.bearing(track[i], track[i+1]);
}
let quiet = step_to(pp, 1);
if (1) {
let quiet = {};
if (follow)
quiet = step_to(pp, 1);
let zoom_scale = 0;
switch (zoom_mode) {
case 0: zoom_scale = 500; break;
case 1: zoom_scale = 1500; break;
case 2: zoom_scale = 2500; break;
}
switch (ui.display) {
case 0: break;
case 1: break;
case 2:
ui.drawMsg("Stats\n" + fmt.fmtDist(0 / 1000) + "\n" + point_num + "/" + num);
zoom_scale = 0;
break;
}
if (zoom_scale) {
g.setColor(0, 0, 0);
let zoom_scale = 0;
switch (ui.display) {
case 0: zoom_scale = 500; break;
case 1: zoom_scale = 1500; break;
case 2: zoom_scale = 2500; break;
case 3: /* draw some statistics? */ break;
}
if (zoom_scale)
zoom.geoPaint(pp, -pp.course, zoom_scale);
zoom.geoPaint(pp, -pp.course, zoom_scale);
}
{
if (zoom_scale) {
/* Draw arrow representing current position */
pp.x = ui.w/2;
pp.y = ui.h*0.5;
@ -728,7 +748,7 @@ function step() {
}
g.setColor(0, 0, 0);
if (!fast) {
if (follow && !fast) {
g.setFont("Vector", 31);
g.setFontAlign(-1, -1);
let msg = "\noff " + fmt.fmtDist(quiet.offtrack/1000);
@ -737,7 +757,7 @@ function step() {
}
g.drawString(fmt.fmtFix(fix, getTime()-gps.gps_start) + msg, 3, 3);
}
if (!fast) {
if (zoom_scale && !fast) {
g.setFont("Vector", 23);
g.setColor(0, 0, 0);
g.setFontAlign(-1, 1);
@ -785,7 +805,33 @@ function recover() {
step_to(pp, 1);
if (!load_next())
break;
ui.drawMsg("Recover\n" + fmt.fmtDist(d / 1000) + "\n" + point_num + "/" + num);
if (!(point_num % 30))
ui.drawMsg("Recover\n" + fmt.fmtDist(d / 1000) + "\n" + point_num + "/" + num + "\n" + track_name);
}
}
/* Draw map around current position */
function draw_map() {
ui.drawMsg("Draw...");
let fix = gps.getGPSFix();
if (!fix.fix) {
print("Can't draw with no fix\n");
fix.lat = 50.010507; /* FIXME */
fix.lon = 14.765840;
}
let pp = fix;
pp.ppm = 0.008 * 5; /* Pixels per meter */
pp.course = 0;
pp.x = 176/2;
pp.y = 176/2;
pp.g = zoom.buf;
let d = 0;
//load_next();
zoom.geoNew(pp, 3000);
{
read(pp, track_name, 0);
ui.drawMsg("Drawn\n" + fmt.fmtDist(d / 1000) + "\n" + point_num + "/" + num);
step_init();
}
}
@ -820,21 +866,39 @@ print(l);
/* After user selected the track, we can switch to main interface */
function load_track(x) {
ui.init();
ui.numScreens = 4;
ui.screens = [ "Detail", "Mid", "Overview", "Stats" ];
ui.numScreens = 3;
ui.screens = [ "Follow", "Map", "Stats" ];
Bangle.buzz(50, 1);
ui.drawMsg("Loading\n"+x);
track_name = x;
time_read(x);
time_read();
Bangle.on("drag", (b) => ui.touchHandler(b));
Bangle.setUI({
mode : "custom",
clock : 0
});
ui.topLeft = () => { ui.drawMsg("Demo mode"); demo_mode = 1; }
ui.topRight = () => { ui.drawMsg("Recover"); recover(); };
ui.topLeft = () => {
switch (ui.display) {
case 0:
case 1:
zoom_mode++;
if (zoom_mode == 3)
zoom_mode = 0;
ui.drawMsg("Zoom mode " + zoom_mode);
break;
case 2: demo_mode = !demo_mode;
ui.drawMsg("Demo mode " + demo_mode);
break;
}
}
ui.topRight = () => {
switch (ui.display) {
case 0: ui.drawMsg("Recover"); recover(); break;
case 1: ui.drawMsg("Draw map"); draw_map(); break;
}
};
}
/* Display menu with tracks. */