////  findEntityExample.js//  examples////  Created by Brad Hefta-Gaub on 1/24/14.//  Copyright 2014 High Fidelity, Inc.////  This is an example script that demonstrates "finding" entities////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// var iteration = 0; var entityA = Entities.addEntity(                    {                        type: "Sphere",                        position: { x: 2, y: 0, z: 2 },                        velocity: { x: 0, y: 0, z: 0 },                        gravity: { x: 0, y: 0, z: 0 },                        dimensions: { x: 0.1, y: 0.1, z: 0.1 },                        color: { red: 0, green: 255, blue: 0 }                    }); var entityB = Entities.addEntity(                    {                        type: "Sphere",                        position: { x: 5, y: 0, z: 5 },                        velocity: { x: 0, y: 0, z: 0 },                        gravity: { x: 0, y: 0, z: 0 },                        dimensions: { x: 0.1, y: 0.1, z: 0.1 },                        color: { red: 0, green: 255, blue: 255 }                    }); var searchAt = { x: 0, y: 0, z: 0};var moveSearch = { x: 0.1, y: 0, z: 0.1};var searchRadius = 1;var searchRadiusChange = 0; function scriptEnding() {    print("calling Entities.deleteEntity()");    Entities.deleteEntity(entityA);    Entities.deleteEntity(entityB);} function printProperties(properties) {    for (var property in properties) {        if (properties.hasOwnProperty(property)) {             if (property == "position" ||                 property == "gravity" ||                 property == "velocity") {                print(property +": " + properties[property].x + ", " + properties[property].y + ", " + properties[property].z);            } else if (property == "color") {                print(property +": " + properties[property].red + ", "                             + properties[property].green + ", " + properties[property].blue);            } else {                print(property +": " + properties[property])            }        }    }} function findEntities(deltaTime) {     // run for a while, then clean up    // stop it...    if (iteration >= 100) {        print("calling Script.stop()");        Script.stop();    }     print("--------------------------");    print("iteration =" + iteration);    iteration++;        // also check to see if we can "find" entities...    print("searching for entities at:" + searchAt.x + ", " + searchAt.y + ", " + searchAt.z + " radius:" + searchRadius);    var foundEntities = Entities.findEntities(searchAt, searchRadius);    print("found this many entities: "+ foundEntities.length);    for (var i = 0; i < foundEntities.length; i++) {        print("   foundEntities[" + i + "].id:" + foundEntities[i].id);        if (foundEntities[i].id == entityA.id) {            print(">>>> found entityA!!");            var propertiesA = Entities.getEntityProperties(entityA);            printProperties(propertiesA);        }        if (foundEntities[i].id == entityB.id) {            print(">>>> found entityB!!");            var propertiesB = Entities.getEntityProperties(entityB);            printProperties(propertiesB);        }    }    // move search    searchAt.x += moveSearch.x;    searchAt.y += moveSearch.y;    searchAt.z += moveSearch.z;    searchRadius += searchRadiusChange;     // after we've searched for 80 iterations, change our search mechanism to be from the center with expanding radius        if (iteration == 80) {        searchAt = { x: 3.5, y: 0, z: 3.5};        moveSearch = { x: 0, y: 0, z: 0};        searchRadius = 0.5;        searchRadiusChange = 0.5;    }    }  // register the call back so it fires before each data sendScript.update.connect(findEntities); // register our scriptEnding callbackScript.scriptEnding.connect(scriptEnding);