phillip/ingress-intel-total-conversion
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Use LineUtil.simplify, rearange some code

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This commit is contained in:
Kevin 2013-03-03 19:17:17 -08:00
parent 898f0c37ce
commit 01f7b7099d
2 changed files with 39 additions and 33 deletions
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68
code/map_data.js
View File

@ -540,6 +540,11 @@ window.renderField = function(ent) {
if(Object.keys(fields).length >= MAX_DRAWN_FIELDS)
return window.removeByGuid(ent[0]);
var old = findEntityInLeaflet(fieldsLayer, window.fields, ent[0]);
// If this already exists and the zoom level has not changed, we don't need to do anything
if(old && map.getZoom() === old.options.creationZoom) return;
var team = getTeam(ent[2]);
var reg = ent[2].capturedRegion;
var latlngs = [
L.latLng(reg.vertexA.location.latE6/1E6, reg.vertexA.location.lngE6/1E6),
@ -547,26 +552,6 @@ window.renderField = function(ent) {
L.latLng(reg.vertexC.location.latE6/1E6, reg.vertexC.location.lngE6/1E6)
];
// Curve fit equation to normalize zoom window area
var areaZoomRatio = calcTriArea(latlngs)/Math.exp(14.2714860198866-1.384987247*map.getZoom());
// Do nothing if zoom did not change. We need to recheck the field if the
// zoom level is different then when the field was rendered as it could
// now be appropriate or not to show an MU count
var old = findEntityInLeaflet(fieldsLayer, window.fields, ent[0]);
if(old) {
if(map.getZoom() === old.options.creationZoom) return;
var layerCount = 0;
old.eachLayer(function(item) {
layerCount++;
});
if(areaZoomRatio > FIELD_MU_DISPLAY_AREA_ZOOM_RATIO && layerCount === 2) return;
if(areaZoomRatio <= FIELD_MU_DISPLAY_AREA_ZOOM_RATIO && layerCount === 1) return;
removeByGuid(ent[0]);
}
var team = getTeam(ent[2]);
var poly = L.polygon(latlngs, {
fillColor: COLORS[team],
fillOpacity: 0.25,
@ -587,22 +572,41 @@ window.renderField = function(ent) {
if(!getPaddedBounds().intersects(poly.getBounds())) return;
var centroid = [
(latlngs[0].lat + latlngs[1].lat + latlngs[2].lat)/3,
(latlngs[0].lng + latlngs[1].lng + latlngs[2].lng)/3
];
// Curve fit equation to normalize zoom window area
var areaZoomRatio = calcTriArea(latlngs)/Math.exp(14.2714860198866-1.384987247*map.getZoom());
var countForMUDisplay = L.LineUtil.simplify(poly._originalPoints, FIELD_MU_DISPLAY_POINT_TOLERANCE).length
var fieldMu = L.marker(centroid, {
icon: L.divIcon({
className: 'fieldmu',
iconSize: [70,12],
html: digits(ent[2].entityScore.entityScore)
}),
clickable: false
// Do nothing if zoom did not change. We need to recheck the field if the
// zoom level is different then when the field was rendered as it could
// now be appropriate or not to show an MU count
if(old) {
var layerCount = 0;
old.eachLayer(function(item) {
layerCount++;
});
// Don't do anything since we already have an MU display and we still want to
if(areaZoomRatio > FIELD_MU_DISPLAY_AREA_ZOOM_RATIO && countForMUDisplay > 2 && layerCount === 2) return;
// Don't do anything since we don't have an MU display and don't want to
if(areaZoomRatio <= FIELD_MU_DISPLAY_AREA_ZOOM_RATIO && countForMUDisplay <= 2 && layerCount === 1) return;
removeByGuid(ent[0]);
}
// put both in one group, so they can be handled by the same logic.
if (areaZoomRatio > FIELD_MU_DISPLAY_AREA_ZOOM_RATIO) {
if (areaZoomRatio > FIELD_MU_DISPLAY_AREA_ZOOM_RATIO && countForMUDisplay > 2) {
// centroid of field for placing MU count at
var centroid = [
(latlngs[0].lat + latlngs[1].lat + latlngs[2].lat)/3,
(latlngs[0].lng + latlngs[1].lng + latlngs[2].lng)/3
];
var fieldMu = L.marker(centroid, {
icon: L.divIcon({
className: 'fieldmu',
iconSize: [70,12],
html: digits(ent[2].entityScore.entityScore)
}),
clickable: false
});
var f = L.layerGroup([poly, fieldMu]);
} else {
var f = L.layerGroup([poly]);

2
main.js
View File

@ -151,6 +151,8 @@ window.MAX_DRAWN_FIELDS = 200;
window.RESONATOR_DISPLAY_ZOOM_LEVEL = 17;
// Minimum area to zoom ratio that field MU's will display
window.FIELD_MU_DISPLAY_AREA_ZOOM_RATIO = 0.001;
// Point tolerance for displaying MU's
window.FIELD_MU_DISPLAY_POINT_TOLERANCE = 60
window.COLOR_SELECTED_PORTAL = '#f00';
window.COLORS = ['#FFCE00', '#0088FF', '#03DC03']; // none, res, enl