Merge pull request #6985 from imgntn/entitySpawnerAC

Show how to use an AC to spawn / respawn entities

examples/acScripts/entitySpawnerAC.js

@@ -0,0 +1,103 @@
+// entitySpawnerAC
+//
+//  Created by James B. Pollack @imgntn on 1/29/2016
+//
+//  This script shows how to use an AC to create entities, and delete and recreate those entities if the AC gets restarted.
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+
+var basePosition = {
+    x: 0,
+    y: 0,
+    z: 0
+};
+
+var NUMBER_OF_BOXES = 4;
+Agent.isAvatar = true;
+
+function makeBoxes() {
+    var i;
+    for (i = 0; i < NUMBER_OF_BOXES; i++) {
+        createBox();
+    }
+    Script.clearInterval(octreeQueryInterval);
+}
+
+function createBox() {
+    var boxProps = {
+        dimensions: {
+            x: 1,
+            y: 1,
+            z: 1
+        },
+        color: {
+            red: 0,
+            green: 255,
+            blue: 0
+        },
+        type: 'Box',
+        name: 'TestBox',
+        position: {
+            x: basePosition.x + Math.random() * 5,
+            y: basePosition.y + Math.random() * 5,
+            z: basePosition.z + Math.random() * 5
+        }
+    }
+    Entities.addEntity(boxProps)
+}
+
+var secondaryInit = false;
+
+function deleteBoxes() {
+    if (secondaryInit === true) {
+        return;
+    }
+
+    if (EntityViewer.getOctreeElementsCount() <= 1) {
+        Script.setTimeout(function() {
+            deleteBoxes();
+        }, 1000)
+        return;
+    }
+
+    var results = Entities.findEntities(basePosition, 2000);
+    results.forEach(function(r) {
+        var name = Entities.getEntityProperties(r, 'name').name;
+        if (name === "TestBox") {
+            Entities.deleteEntity(r);
+        }
+
+    })
+
+    makeBoxes();
+    secondaryInit = true;
+}
+
+var initialized = false;
+
+function update(deltaTime) {
+    if (!initialized) {
+        if (Entities.serversExist() && Entities.canRez()) {
+            Entities.setPacketsPerSecond(6000);
+            deleteBoxes()
+            initialized = true;
+            Script.update.disconnect(update);
+        }
+        return;
+    }
+}
+
+
+EntityViewer.setPosition({
+    x: 0,
+    y: 0,
+    z: 0
+});
+EntityViewer.setKeyholeRadius(60000);
+var octreeQueryInterval = Script.setInterval(function() {
+    EntityViewer.queryOctree();
+}, 1000);
+
+Script.update.connect(update);