From ccb4ae9f8664d38e9e7939194430cdaf611fc703 Mon Sep 17 00:00:00 2001
From: Peter <jetic@gmx.net>
Date: Thu, 20 Jul 2023 17:27:49 +0200
Subject: [PATCH] Fixed _updateViewport to come to a fullyLoaded state with n
tiles. Improved _compareTiles
---
src/tiledimage.js | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/src/tiledimage.js b/src/tiledimage.js
index 59792431..e28ed224 100644
--- a/src/tiledimage.js
+++ b/src/tiledimage.js
@@ -1276,7 +1276,7 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
this._drawTiles(this.lastDrawn);
// Load the new 'best' n tiles
- if (bestTiles) {
+ if (bestTiles && bestTiles.length > 0) {
bestTiles.forEach(function (tile) {
if (tile && !tile.context2D) {
this._loadTile(tile, currentTime);
@@ -1930,20 +1930,20 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
return [tile];
}
previousBest.push(tile);
- previousBest.sort(function (a, b) {
- if (a === null) {
- return 1;
- }
- if (b === null) {
- return -1;
- }
- if (a.visibility === b.visibility) {
- return (a.squaredDistance - b.squaredDistance);
- } else {
- return (a.visibility - b.visibility);
- }
- });
if (previousBest.length > maxNTiles) {
+ previousBest.sort(function (a, b) {
+ if (a === null) {
+ return 1;
+ }
+ if (b === null) {
+ return -1;
+ }
+ if (a.visibility === b.visibility) {
+ return (a.squaredDistance - b.squaredDistance);
+ } else {
+ return (a.visibility - b.visibility);
+ }
+ });
previousBest.pop();
}
return previousBest;