HideBehavior should not consider Vertex instances when looking for hi…

…ding spots

js/steering/behavior/HideBehavior.js

@@ -2,6 +2,7 @@ import { ArriveBehavior } from "./ArriveBehavior";
 import { VectorPool } from "../../core/VectorPool";
 import { Vector3D } from "../../core/Vector3D";
 import { Steerable } from "../Steerable";
+import { Vertex } from "../../core/Vertex";
 import { logger } from "../../debug/Logger";
 
 var vectorPool = new VectorPool(10);
@@ -63,7 +64,7 @@ HideBehavior.prototype.findHidingSpot = function(steerable){
   var self = this;
 
   steerable.executeForEachCloseEntity(function(entity){
-    if (entity instanceof Steerable){
+    if (entity instanceof Steerable || entity instanceof Vertex){
       return;
     }
 

test/steering/behavior/HideBehaviorTest.js

@@ -233,4 +233,31 @@ describe("HideBehavior", function(){
     expect(result.linear).to.eql(new Kompute.Vector3D());
     expect(loggedMsg).to.eql("[HideBehavior]: Target entity is out of threat distance. (steerable1)");
   });
+
+  it("should not consider Vertex instances when finding hiding spots", function(){
+    var steerable = new Kompute.Steerable("steerable1", new Kompute.Vector3D(), new Kompute.Vector3D(10, 10, 10));
+    var steerable2 = new Kompute.Steerable("steerable2", new Kompute.Vector3D(100, 0, 0), new Kompute.Vector3D(10, 10, 10));
+
+    var world = new Kompute.World(1000, 1000, 1000, 50);
+    world.insertEntity(steerable);
+    world.insertEntity(steerable2);
+
+    steerable.setHideTargetEntity(steerable2);
+
+    var hideBehavior = new Kompute.HideBehavior({
+      arriveSatisfactionRadius: 50,
+      arriveSlowDownRadius: 100,
+      hideDistance: 150,
+      threatDistance: 2000
+    });
+
+    var graph = new Kompute.Graph();
+    graph.addVertex(new Kompute.Vector3D(5, 0, 0));
+
+    world.insertGraph(graph);
+
+    hideBehavior.findHidingSpot(steerable);
+
+    expect(hideBehavior.hidingSpotFound).to.eql(false);
+  });
 });