Tutorial by Examples: l

Systems can help separate logic and behavior from data if desired. We let systems handle the heavy lifting, and components only worry about managing its data through its lifecycle methods: AFRAME.registerSystem('my-component', { createComplexObject: function (data) { // Do calculations ...

There is no strict API for defining how systems manage components. A common pattern is to have components subscribe themselves to the system. The system then has references to all of its components: AFRAME.registerSystem('my-component', { init: function () { this.entities = []; }, ...

A component holds a bucket of data in the form of one or more component properties. Components use this data to modify entities. Consider an engine component, we might define properties such as horsepower or cylinders. HTML attributes represent component names and the value of those attributes repr...

We place assets within <a-assets>, and we place <a-assets> within <a-scene>. Assets include: <a-asset-item> - Miscellaneous assets such as 3D models and materials <audio> - Sound files <img> - Image textures <video> - Video textures The scene won't...

Audio and video assets will only block the scene if we set autoplay or if we set preload="auto": <a-scene> <a-assets> <!-- These will not block. --> <audio src="blockus.mp3"></audio> <video src="loadofblocks.mp4">&...

Every element in A-Frame inherits from <a-node>, the AFRAME.ANode prototype. ANode controls load and initialization order. For an element to initialize (whether it be <a-assets>, <a-asset-item>, <a-scene>, or <a-entity>), its children must have already initialized. N...

As an introductory example, to define a 5-meter orbit on an entity about the Y-axis that takes 10 seconds, we can offset the position and animate the rotation. This animation starts with the initial rotation about the Y-axis of 0 degrees, and goes around 360 degrees. It’s defined with a duration of ...

<a-scene> <a-assets> <a-mixin id="red" material="color: red"></a-mixin> <a-mixin id="blue" material="color: blue"></a-mixin> <a-mixin id="cube" geometry="primitive: box"></a-mix...

One common use of variable-length argument lists is to implement functions that are a thin wrapper around the printf() family of functions. One such example is a set of error reporting functions. errmsg.h #ifndef ERRMSG_H_INCLUDED #define ERRMSG_H_INCLUDED #include <stdarg.h> #include...

using System; using System.IO; using System.IO.Compression; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { string zipPath = @"c:\example\start.zip"; string extractPath = @"c:\example\extract...

We can load the model by pointing using the ID to an that specifies the src to a file: <a-scene> <a-assets> <!-- At first we load skeletal animation blending JSON as asset --> <a-asset-item id="hand" src="/path/to/hand.json"></a-asset-i...

Step 1: Add ScriptManager to your page <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> Step 2: Add UpdatePanel to your page just after ScriptManager. <asp:UpdatePanel ID="UpdatePanel1" runat="server"...

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <p> <input id="cbGroup1" type="checkbox">Select all <input name="cbGroup1" type="checkbox" value="value1_1">Group1 v...

Directional lights are like a light source that is infinitely far away, but shining from a specific direction, like the sun. Thus, absolute position do not have an effect on the intensity of the light on an entity. We can specify the direction using the position component. The example below creates...

By default, A-Frame scenes inject default lighting, an ambient light and a directional light. These default lights are visible in the DOM with the data-aframe-default-light attribute. Whenever we add any lights, A-Frame removes the default lights from the scene. <!-- Default lighting injected by...

In a pipeline series each function runs parallel to the others, like parallel threads. The first processed object is transmitted to the next pipeline and the next processing is immediately executed in another thread. This explains the high speed gain compared to the standard ForEach @( bigFile_1, b...

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IMPORTANT!! Valet is a tool designed for macOS, the version below is ported for Linux OS. Prerequisites Do not install valet as root or by using the sudo command. Valet utilizes your local machine's HTTP port (port 80), therefore, you will not be able to use if Apache or Nginx are installed and...

Command git cherry shows the changes which haven't yet been cherry-picked. Example: git checkout master git cherry development ... and see output a bit like this: + 492508acab7b454eee8b805f8ba906056eede0ff - 5ceb5a9077ddb9e78b1e8f24bfc70e674c627949 + b4459544c000f4d51d1ec23f279d9cdb19c1d32b...

Forward messages one object to another by delegates, multicasting these messages to multiple observers.. Step 1:- Create NSObject class of RRMulticastDelegate Step 2:- Following code implement in RRMulticastDelegate.h file #import <Foundation/Foundation.h> @interface RRMulticastDelegate ...