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better timing for travel cities

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This commit is contained in:
Matt Walsh 2020-09-05 11:16:38 -05:00
parent a9d8ba9242
commit a87ec12b0a
1 changed files with 4 additions and 4 deletions
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8
server/scripts/modules/travelforecast.js
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@ -16,16 +16,16 @@ class TravelForecast extends WeatherDisplay {
this.timing.baseDelay = 20;
// page sizes are 4 cities, calculate the number of pages necessary plus overflow
const pagesFloat = _TravelCities.length/4;
const pages = Math.floor(pagesFloat) - 1; // first page is already displayed
const pages = Math.floor(pagesFloat) - 2; // first page is already displayed, last page doesn't happen
const extra = pages%1;
const timingStep = this.cityHeight*4;
this.timing.delay = [150];
this.timing.delay = [150+timingStep];
// add additional pages
for (let i = 0; i < pages; i++) this.timing.delay.push(timingStep);
// add the extra (not exactly 4 pages portion)
if (extra !== 0) this.timing.delay.push(Math.round(this.extra*this.cityHeight));
// add the final 3 second delay
this.timing.delay.push(150);
this.timing.delay.push(150+timingStep);
// get the data
this.getData(weatherParameters);
@ -164,7 +164,7 @@ class TravelForecast extends WeatherDisplay {
const longCanvas = this.getLongCanvas();
// calculate scroll offset and don't go past end
let offsetY = Math.min(longCanvas.height-289, (count-this.timing.delay[0]));
let offsetY = Math.min(longCanvas.height-289, (count-150));
// don't let offset go negative
if (offsetY < 0) offsetY = 0;