Add attach avatar app.

applications/attach-avatar-app/assets/account-child-circle.svg

@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M12,12A1.5,1.5 0 0,1 13.5,13.5A1.5,1.5 0 0,1 12,15A1.5,1.5 0 0,1 10.5,13.5A1.5,1.5 0 0,1 12,12M12,2A10,10 0 0,1 22,12A10,10 0 0,1 12,22A10,10 0 0,1 2,12A10,10 0 0,1 12,2M12,16C12.72,16 13.4,16.15 14.04,16.5C14.68,16.8 15,17.2 15,17.67V19.41C16.34,18.81 17,18.08 17,17.2V12.8C17,12 16.5,11.35 15.45,10.8C14.4,10.26 13.25,10 12,10C10.75,10 9.6,10.26 8.55,10.8C7.5,11.35 7,12 7,12.8V17.2C7,18 7.53,18.69 8.63,19.22C9.72,19.75 10.84,20 12,20L13,19.92V17.91L12,18C11,18 10,17.8 9.05,17.39C9.17,17 9.53,16.69 10.13,16.41C10.72,16.13 11.34,16 12,16M12,4A2.5,2.5 0 0,0 9.5,6.5A2.5,2.5 0 0,0 12,9A2.5,2.5 0 0,0 14.5,6.5A2.5,2.5 0 0,0 12,4Z" /></svg>

applications/attach-avatar-app/attachAvatarApp.js

@@ -0,0 +1,81 @@
+/* globals Vec3, Quat, Uuid, Camera, MyAvatar, Entities, Overlays, Script, Tablet, AvatarList, AvatarManager, Picks, PickType require ScriptDiscoveryService */
+//
+//  attachAvatarApp.js
+//
+//  Created by KasenVR on 2 August 2020.
+//  Copyright 2020 Vircadia contributors.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var APP_NAME = "Avatar Attach App";
+var tablet = Tablet.getTablet("com.highfidelity.interface.tablet.system");
+  
+var accountChildIcon = 'data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill="white" d="M12,2A3,3 0 0,1 15,5A3,3 0 0,1 12,8A3,3 0 0,1 9,5A3,3 0 0,1 12,2M12,9C13.63,9 15.12,9.35 16.5,10.05C17.84,10.76 18.5,11.61 18.5,12.61V18.38C18.5,19.5 17.64,20.44 15.89,21.19V19C15.89,18.05 15.03,17.38 13.31,16.97C12.75,16.84 12.31,16.78 12,16.78C11.13,16.78 10.3,16.95 9.54,17.3C8.77,17.64 8.31,18.08 8.16,18.61C9.5,19.14 10.78,19.41 12,19.41L13,19.31V21.94L12,22C10.63,22 9.33,21.72 8.11,21.19C6.36,20.44 5.5,19.5 5.5,18.38V12.61C5.5,11.61 6.16,10.76 7.5,10.05C8.88,9.35 10.38,9 12,9M12,11A2,2 0 0,0 10,13A2,2 0 0,0 12,15A2,2 0 0,0 14,13A2,2 0 0,0 12,11Z" /></svg>';;
+
+var button = tablet.addButton({
+    text: "ATTACH",
+    icon: accountChildIcon.replace('black', 'white'),
+    activeIcon: accountChildIcon
+});
+
+Script.scriptEnding.connect(function(){
+    tablet.removeButton(button);
+    button = null;
+});
+
+button.clicked.connect(togglePlatform);
+var platformID;
+
+function togglePlatform() {
+
+    function getNearbyAvatars(origin, sessionUUIDs) {
+
+        var cleanAvatars = sessionUUIDs.filter(function (id) {
+            if (id == null) {
+                return false; 
+            }
+
+            var idString = id.toString();
+
+            if (idString.indexOf(MyAvatar.sessionUUID) === -1) {
+                return true; 
+            } else {
+                return false;
+            }
+        });
+
+        return cleanAvatars.map(function(id) {
+            var avi = AvatarList.getAvatar(id);
+            avi.$distance = Vec3.distance(origin, avi.position);
+            return avi;
+        }).sort(function(a, b) {
+            return a.$distance < b.$distance ? -1 : a.$distance > b.$distance ? 1 : 0;
+        });
+
+    };
+    
+    var nearest = getNearbyAvatars(MyAvatar.position, AvatarList.getAvatarIdentifiers())[0];
+    var platformScale = { x: 0.604 * MyAvatar.scale, y: 0.036 * MyAvatar.scale, z: 0.604 * MyAvatar.scale };
+
+    if(platformID) {
+        Entities.deleteEntity(platformID);
+        platformID = null;
+        MyAvatar.setParentID("null");
+    } else if (nearest != null) {
+        platformID = Entities.addEntity({
+            type: "Model",
+            modelURL: Script.resolvePath("./assets/Halo.fbx"),
+            position: MyAvatar.position,
+            rotation: Quat.IDENTITY,
+            dimensions: platformScale,
+            collisionMask: 8,
+            collisionless: false,
+            shapeType: "box",
+            parentID: nearest.sessionUUID,
+            parentJointIndex: 0,
+        }, "avatar"); // Make it a client entity! We want it to show up/load in other worlds without rez rights.
+        MyAvatar.setParentID(platformID);
+    }
+}

applications/metadata.js

@@ -80,5 +80,14 @@ var metadata = { "applications": [
         "icon": "nametags/assets/nametags-i.svg",
         "caption": "NAMETAGS"
     },
+    {
+        "isActive": true,
+        "directory": "attach-avatar-app",
+        "name": "Attach Avatar",
+        "description": "Attaches your avatar to another avatar via a collisionless platform.",
+        "jsfile": "attach-avatar-app/attachAvatarApp.js",
+        "icon": "attach-avatar-app/assets/account-child-circle.png",
+        "caption": "ATCH AVI"
+    }
 ]
 };