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Fixed _updateViewport to come to a fullyLoaded state with n tiles.

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Improved _compareTiles
This commit is contained in:
Peter 2023-07-20 17:27:49 +02:00
parent 9684a83b8c
commit ccb4ae9f86
1 changed files with 14 additions and 14 deletions
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28
src/tiledimage.js
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@ -1276,7 +1276,7 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
this._drawTiles(this.lastDrawn); this._drawTiles(this.lastDrawn);
// Load the new 'best' n tiles // Load the new 'best' n tiles
if (bestTiles) { if (bestTiles && bestTiles.length > 0) {
bestTiles.forEach(function (tile) { bestTiles.forEach(function (tile) {
if (tile && !tile.context2D) { if (tile && !tile.context2D) {
this._loadTile(tile, currentTime); this._loadTile(tile, currentTime);
@ -1930,20 +1930,20 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
return [tile]; return [tile];
} }
previousBest.push(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) { 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(); previousBest.pop();
} }
return previousBest; return previousBest;