phillip/ingress-intel-total-conversion
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

restore the code that prevents rendering short links. seems like the backend isn't removing enough (any?) links again, so they were having a big impact on performance

Browse Source
This commit is contained in:
Jon Atkins 2014-03-21 05:10:10 +00:00
parent 8eeec788df
commit 828e7b7d3d
1 changed files with 51 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
code/map_data_render.js
View File

@ -10,6 +10,9 @@ window.Render = function() {
this.CLUSTER_SIZE = L.Browser.mobile ? 16 : 8; // the map is divided into squares of this size in pixels for clustering purposes. mobile uses larger markers, so therefore larger clustering areas
this.CLUSTER_PORTAL_LIMIT = 4; // no more than this many portals are drawn in each cluster square
// link length, in pixels, to be visible. use the portal cluster size, as shorter than this is likely hidden
// under the portals
this.LINK_VISIBLE_PIXEL_LENGTH = this.CLUSTER_SIZE;
this.entityVisibilityZoom = undefined;
@ -395,7 +398,10 @@ window.Render.prototype.createLinkEntity = function(ent,faked) {
window.links[ent[0]] = poly;
// only add the link to the layer if it's long enough to be seen
if (this.linkVisible(poly)) {
linksFactionLayers[poly.options.team].addLayer(poly);
}
}
@ -405,6 +411,7 @@ window.Render.prototype.updateEntityVisibility = function() {
this.entityVisibilityZoom = map.getZoom();
this.resetPortalClusters();
this.resetLinkVisibility();
if (this.portalMarkerScale === undefined || this.portalMarkerScale != portalMarkerScale()) {
this.portalMarkerScale = portalMarkerScale();
@ -511,3 +518,46 @@ window.Render.prototype.getPortalClusterID = function(portal) {
}
window.Render.prototype.linkVisible = function(link) {
var lengthSquared = this.getLinkPixelLengthSquared (link);
return lengthSquared >= this.LINK_VISIBLE_PIXEL_LENGTH*this.LINK_VISIBLE_PIXEL_LENGTH;
}
window.Render.prototype.resetLinkVisibility = function() {
for (var guid in window.links) {
var link = window.links[guid];
var visible = this.linkVisible(link);
if (visible) {
if (!linksFactionLayers[link.options.team].hasLayer(link)) linksFactionLayers[link.options.team].addLayer(link);
} else {
if (linksFactionLayers[link.options.team].hasLayer(link)) linksFactionLayers[link.options.team].removeLayer(link);
}
}
}
window.Render.prototype.getLinkPixelLengthSquared = function(link) {
var z = map.getZoom();
var latLngs = link.getLatLngs();
if (latLngs.length != 2) {
console.warn ('Link had '+latLngs.length+' points - expected 2!');
return undefined;
}
var point0 = map.project(latLngs[0]);
var point1 = map.project(latLngs[1]);
var dx = point0.x - point1.x;
var dy = point0.y - point1.y;
var lengthSquared = (dx*dx)+(dy*dy);
return lengthSquared;
}