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gpstrek - Simplify code for detecting next/last

pull/2768/head
Martin Boonk 2023-06-11 14:56:09 +02:00
parent 95d9fd3195
commit a43840f5ba
1 changed files with 16 additions and 21 deletions
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37
apps/gpstrek/app.js
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@ -411,11 +411,12 @@ let getMapSlice = function(){
if (currentPosFromGPS) {
let pos = graphics.transformVertices([ startingPoint.x - current.x, (startingPoint.y - current.y)*-1 ], mapTrans);
if (pos[0] < x) { pos[0] = x + errorMarkerSize + 5; graphics.setColor(1,0,0).fillRect(x,y,x+errorMarkerSize,y+height);}
if (pos[0] > x + width) {pos[0] = x + width - errorMarkerSize - 5; graphics.setColor(1,0,0).fillRect(x + width - errorMarkerSize,y,x + width ,y+height);}
if (pos[1] < y) {pos[1] = y + errorMarkerSize + 5; graphics.setColor(1,0,0).fillRect(x,y,x + width,y+errorMarkerSize);}
if (pos[1] > y + height - interfaceHeight -1) { pos[1] = y + height - errorMarkerSize - 5-interfaceHeight-1; graphics.setColor(1,0,0).fillRect(x,y + height - errorMarkerSize-interfaceHeight-1,x + width ,y+height-interfaceHeight-1);}
if (!isMapOverview){
if (pos[0] < x) { pos[0] = x + errorMarkerSize + 5; graphics.setColor(1,0,0).fillRect(x,y,x+errorMarkerSize,y+height);}
if (pos[0] > x + width) {pos[0] = x + width - errorMarkerSize - 5; graphics.setColor(1,0,0).fillRect(x + width - errorMarkerSize,y,x + width ,y+height);}
if (pos[1] < y) {pos[1] = y + errorMarkerSize + 5; graphics.setColor(1,0,0).fillRect(x,y,x + width,y+errorMarkerSize);}
if (pos[1] > y + height - interfaceHeight -1) { pos[1] = y + height - errorMarkerSize - 5-interfaceHeight-1; graphics.setColor(1,0,0).fillRect(x,y + height - errorMarkerSize-interfaceHeight-1,x + width ,y+height-interfaceHeight-1);}
}
if (isMapOverview) {
graphics.drawImage(arrow, pos[0],pos[1], {rotate: require("graphics_utils").degreesToRadians(course)});
@ -483,12 +484,14 @@ let getMapSlice = function(){
let toDraw;
let named = [];
for (let j = 0; j < SETTINGS.mapChunkSize; j++){
data.i = data.i + (reverse?-1:1);
let p = get(route, data.i);
if (!p || !p.lat) {
data.i = data.i + (reverse?1:-1);
data.breakLoop = true;
break;
}
if (data.maxWaypoints && Math.abs(data.i) > data.maxWaypoints) {
if (data.maxWaypoints && Math.abs(startingIndex - data.i) > data.maxWaypoints) {
data.breakLoop = true;
last = true;
break;
@ -497,9 +500,8 @@ let getMapSlice = function(){
if (p.name) named.push({i:data.poly.length,n:p.name});
data.poly.push(startingPoint.x-toDraw.x);
data.poly.push((startingPoint.y-toDraw.y)*-1);
if (j < SETTINGS.mapChunkSize - 1) data.i = data.i + (reverse?-1:1);
}
finish = isLast(route, data.i - 1);
finish = isLast(route, getWaypointIndex(route, data.i));
data.poly = graphics.transformVertices(data.poly, mapTrans);
graphics.drawPoly(data.poly, false);
@ -536,8 +538,8 @@ let getMapSlice = function(){
addToTaskQueue(drawChunk, data);
};
drawPath(true, currentRouteIndex);
drawPath(false, currentRouteIndex);
drawPath(true, currentRouteIndex+1);
drawPath(false, currentRouteIndex-1);
addToTaskQueue(drawInterface);
@ -997,14 +999,14 @@ let hasPrev = function(route, index){
let hasNext = function(route, index, count){
if (!count) count = 1;
if (isNaN(index)) index = route.index;
return getWaypointIndex(route, index) + count < (getRouteIndex(route).length - 1);
return getWaypointIndex(route, index) + count < (getRouteIndex(route).length);
};
let getNext = function(route, index, count){
if (!count) count = 1;
if (isNaN(index)) index = getWaypointIndex(route);
index += count;
if (index >= getRouteIndex(route).length) return;
if (index >= getRouteIndex(route).length || index < 0) return;
let result = {};
getEntry(route.filename, getRouteIndex(route)[getWaypointIndex(route, index)], result);
return result;
@ -1031,13 +1033,7 @@ let setWaypointIndex = function(route, waypointIndex){
};
let getPrev = function(route, index){
if (isNaN(index)) index = getWaypointIndex(route);
if (!hasPrev(route, index)) return;
if (route.mirror) ++index;
if (!route.mirror) --index;
let result = {};
getEntry(route.filename, getIndex(route)[index], result);
return result;
return getNext(route, index, -1);
};
let next = function(route){
@ -1052,8 +1048,7 @@ let set = function(route, index){
let prev = function(route){
if (!hasPrev(route)) return;
if (route.mirror) set(route, ++route.index);
if (!route.mirror) set(route, --route.index);
set(route, getWaypointIndex(route)-1);
};
let getLast = function(route){