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gpstrek - Draw track 10 waypoints back and 50 in the future

master
Martin Boonk 2023-05-16 19:48:30 +02:00
parent 2becff37b5
commit cd3629a74e
1 changed files with 85 additions and 22 deletions
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107
apps/gpstrek/app.js
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@ -14,7 +14,7 @@ let init = function(){
Bangle.loadWidgets();
WIDGETS.gpstrek.start(false);
if (!WIDGETS.gpstrek.getState().numberOfSlices) WIDGETS.gpstrek.getState().numberOfSlices = 3;
if (!WIDGETS.gpstrek.getState().numberOfSlices) WIDGETS.gpstrek.getState().numberOfSlices = 2;
};
let cleanup = function(){
@ -135,6 +135,36 @@ let getDoubleLineSlice = function(title1,title2,provider1,provider2){
};
};
const arrow = Graphics.createImage(`
XXX
XXXXX
XXX XXX
XXX XXX
XXX XXX
`);
const cross = Graphics.createImage(`
XX XX
XX XX
XX XX
XX XX
XXX
XX XX
XX XX
XX XX
XX XX
`);
const point = Graphics.createImage(`
XXXX
XXXXXX
XXX XXX
XXX XXX
XXX XXX
XXXXXX
XXXX
`);
let getMapSlice = function(){
return {
draw: function (graphics, x, y, height, width){
@ -147,8 +177,11 @@ let getMapSlice = function(){
let route = WIDGETS.gpstrek.getState().route;
let startingPoint = Bangle.project(route.currentWaypoint);
let current = Bangle.project(WIDGETS.gpstrek.getState().currentPos);
graphics.setColor(graphics.theme.fg);
if (WIDGETS.gpstrek.getState().currentPos.lat) {
let current = Bangle.project(WIDGETS.gpstrek.getState().currentPos);
current.x = startingPoint.x - current.x;
current.y = (startingPoint.y - current.y)*-1;
current.x *= 0.05;
@ -161,30 +194,49 @@ let getMapSlice = function(){
if (current.y < y) {current.y = y + height*0.15; graphics.setColor(1,0,0).fillRect(x,y,x + width,y+height*0.1);}
if (current.y > y + height) { current.y = y + height - height*0.15; graphics.setColor(1,0,0).fillRect(x,y + height * 0.9,x + width ,y+height);}
graphics.setColor(graphics.theme.fg);
graphics.drawLine(current.x, current.y, current.x-height*0.1, current.y+height*0.1);
graphics.drawLine(current.x, current.y, current.x+height*0.1, current.y+height*0.1);
graphics.drawImage(arrow, current.x-5,current.y);
} else {
graphics.drawImage(point, width/2-5,y + height*0.7-4);
}
let poly=[];
let drawPath = function(iter, reverse){
let poly=[ 0, 0 ];
let i = 0;
let maxViewableDistance = graphics.getHeight()/2/0.05;
let named = [];
do {
i = i + (reverse?-1:1);
let p = iter(route, route.index + i);
if (!p || !p.lat) break;
if (p.name) named.push({i:poly.length,n:p.name});
let toDraw = Bangle.project(p);
poly.push(startingPoint.x-toDraw.x);
poly.push((startingPoint.y-toDraw.y)*-1);
for (let i = route.index; i < route.index + 60; i++){
if (i < 0) continue;
let nextPoint = getNext(route, i);
if (!nextPoint || !nextPoint.lat) break;
let toDraw = Bangle.project(nextPoint);
poly.push(startingPoint.x-toDraw.x);
poly.push((startingPoint.y-toDraw.y)*-1);
}
poly = graphics.transformVertices(poly, {
scale: 0.05,
rotate:require("graphics_utils").degreesToRadians(course),
x: x+width/2,
y: y+height*0.7
});
if (poly[poly.length - 2] < -maxViewableDistance
|| poly[poly.length - 2] > maxViewableDistance
|| poly[poly.length - 1] < -maxViewableDistance
|| poly[poly.length - 1] > maxViewableDistance) {
break;
}
} while (i*(reverse?-1:1) < (reverse?10:50));
graphics.drawPoly(poly, false);
poly = graphics.transformVertices(poly, {
scale: 0.05,
rotate:require("graphics_utils").degreesToRadians(180-course),
x: x+width/2,
y: y+height*0.7
});
graphics.drawPoly(poly, false);
graphics.setFont6x15();
for (let c of named){
graphics.drawImage(cross, poly[c.i]-5, poly[c.i+1]-4.5);
graphics.drawString(c.n, poly[c.i] + 10, poly[c.i+1]);
}
};
drawPath(getNext,false);
drawPath(getPrev,true);
}
};
};
@ -517,6 +569,16 @@ let getNext = function(route, index){
return result;
};
let getPrev = function(route, index){
if (!index) index = route.index;
if (!hasPrev(route, index)) return;
if (route.mirror) ++index;
if (!route.mirror) --index;
let result = {};
getEntry(route.filename, route.refs[index], result);
return result;
};
let next = function(route){
if (!hasNext(route)) return;
if (route.mirror) set(route, --route.index);
@ -524,6 +586,7 @@ let next = function(route){
};
let set = function(route, index){
if (!route) return;
route.currentWaypoint = {};
route.index = index;
getEntry(route.filename, route.refs[index], route.currentWaypoint);