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Introducing object-oriented API to avoid global state #2

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Introducing object-oriented API to avoid global state #2

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66 changes: 41 additions & 25 deletions patrol.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1079,29 +1079,20 @@
return pts;
};

var zoneNodes = {};
var path = null;

_.extend(exports, {
buildNodes: function (geometry) {
var navigationMesh = buildNavigationMesh(geometry);

var zoneNodes = groupNavMesh(navigationMesh);

return zoneNodes;
},
setZoneData: function (zone, data) {
zoneNodes[zone] = data;
},
getGroup: function (zone, position) {

if (!zoneNodes[zone]) return null;
function ZoneData(geometry)
{
var navigationMesh = buildNavigationMesh(geometry);
this.nodes = groupNavMesh(navigationMesh);
}

ZoneData.prototype = {
getGroup: function (position) {

var closestNodeGroup = null;

var distance = Math.pow(50, 2);

_.each(zoneNodes[zone].groups, function (group, index) {
_.each(this.nodes.groups, function (group, index) {
_.each(group, function (node) {
var measuredDistance = distanceToSquared(node.centroid, position);
if (measuredDistance < distance) {
Expand All @@ -1113,16 +1104,14 @@

return closestNodeGroup;
},
getRandomNode: function (zone, group, nearPosition, nearRange) {

if (!zoneNodes[zone]) return new THREE.Vector3();
getRandomNode: function (group, nearPosition, nearRange) {

nearPosition = nearPosition || null;
nearRange = nearRange || 0;

var candidates = [];

var polygons = zoneNodes[zone].groups[group];
var polygons = this.nodes.groups[group];

_.each(polygons, function (p) {
if (nearPosition && nearRange) {
Expand All @@ -1136,10 +1125,10 @@

return _.sample(candidates) || new THREE.Vector3();
},
findPath: function (startPosition, targetPosition, zone, group) {
findPath: function (startPosition, targetPosition, group) {

var allNodes = zoneNodes[zone].groups[group];
var vertices = zoneNodes[zone].vertices;
var allNodes = this.nodes.groups[group];
var vertices = this.nodes.vertices;

var closestNode = null;
var distance = Math.pow(50, 2);
Expand Down Expand Up @@ -1228,6 +1217,33 @@

return threeVectors;
}
};

var zoneNodes = {};

_.extend(exports, {

buildNodes: function (geometry) {
return new ZoneData(geometry);
},

setZoneData: function (zone, data) {
zoneNodes[zone] = data;
},

getGroup: function (zone, position) {
if (!zoneNodes[zone]) return null;
return zoneNodes[zone].getGroup(position);
},

getRandomNode: function (zone, group, nearPosition, nearRange) {
if (!zoneNodes[zone]) return new THREE.Vector3();
return zoneNodes[zone].getRandomNode(group, nearPosition, nearRange);
},

findPath: function (startPosition, targetPosition, zone, group) {
return zoneNodes[zone].findPath(startPosition, targetPosition, group);
}
});

})(typeof exports === 'undefined' ? this['patrol'] = {} : exports);