enable webgl

eyePos = vec3.fromValues (0.0, 1.0, 0.0); // eye position Var eyeLookat = vec3.fromValues (0.0,-0.0, 0.0); // var spherePos = vec3.fromValues (0.0,-0.0, 0.0) in the eye direction; // var canvanName in the sphere position; function webGLStart (cName) {canvanName = cName; InitWebGL (); encrypt (); InitSphereShader (); InitCubeBuffer (); InitSphereBuffer (); InitFBOCube (); // RenderFBO (); gl. clearColor (0.0, 0.0, 0.0, 1.0); gl. enable (gl. DEPTH_TEST

run it, follow these steps: Http://code.google.com/p/quake2-gwt-port/wiki/BuildingAndRunning I tried it on Ubuntu and recorded the steps as follows: Step 1 Sudo apt-Get install mercurialSudo apt-Get install Vorbis-ToolsSudo apt-Get install openjdk-6-jdkSudo apt-Get install lame Step 2 Hg clone https://quake2-gwt-port.googlecode.com/hg/ quake2-gwt-portCD quake2-gwt-port Step 3 ./Build-dedicated-server (will build the tools and the client and server code ).* If you run into memory issues, try exp

Getting started with WebGL developmentWebGL Getting started with developmentWhat is Unity WebGL?What is Unity WebGL ? The WEBGL build option allows Unity to publish content as JavaScript programs which use HTML5 technologies and the WebGL R Endering API to run Unity content

Memory Considerations when targeting WebGLBuild WebGL memory considerations at the targetMemory in Unity WebGL can a constraining factor restricting the complexity of the content can run, so we would like To provide some explanation on what memory is used in WebGL.For unity WebGL, memory limits the complexity of the content being run. Below we will explain how me

greater the Z-buffer value, the farther away. This is the opposite of our normal coordinates (the farther the zcoordinate is, the smaller the zcoordinate is, the negative number ). This is the deep cache. Now, you may remember the code we used to initialize the webgl context from the first lesson: Gl. Enable (GL. depth_test ); This is to tell the system what to do when writing the fragment into the frame c

judging the inner and outer sides of polygons is explained in detail in the previous article. To deepen the impression, say it again.In WebGL, occlusion culling is not valid by default, and all polygons are drawn regardless of the order in which the vertices are defined. However, when occlusion culling is effective, only polygons that meet certain conditions will be drawn and invisible parts will not be drawn, which will weaken the burden of coordina

Note: The article is translated from http://wgld.org/, the original author Sambonja 広 (doxas), the article if there is my additional instructions, I will add [Lufy:], in addition, The WEBGL research is not deep enough, some professional words, if the translation is wrong, you are welcome to correct. very important to initializeFrom this time onwards, we started to deal with WebGL. The first is the initializ

WebGL is a technology that renders 3D images in a Web browser, as opposed to the need to install a browser plugin in the past, and with WebGL technology, you only need to write a Web page code to visualize the 3D image. WebGL provides hardware 3D accelerated rendering for Canvas so that Web developers can display 3D scenes and models more smoothly in the browser

too small to run for a while, a memory overflow error warning appears, too many settings are not appropriate, and the memory-strapped machine is estimated to be gameover.Personal advice between "64-512", the default is 256, in fact, the simple project is enough to use, the value set here can also be modified in the index.html file after encapsulation, the location is located in the Unit is byte (b), because WEBGL builds slowly, if you want to adjust

WebGL Performance TruthHTML5 's canvas provides two drawing contexts (Graphic context): One is "2d" for plotting two-dimensional vectors, and the other is "WebGL" for drawing three-dimensional graphics. The two-dimensional vector diagram API provides a very user-friendly function, 10 minutes to get started, so CANTK chose to use the two-dimensional vector diagram API. The "

Note: The article is translated from http://wgld.org/, the original author Sambonja 広 (doxas), the article if there is my additional instructions, I will add [Lufy:], in addition, The WEBGL research is not deep enough, some professional words, if the translation is wrong, you are welcome to correct. This is the running result of this demo.Drawing ProcessIt's time to draw a polygon, the HTML, vertex shader, and fragment shader introduced in the previou

Webgl Introduction: webgl is a cross-platform, royalty-free web standard for a low-level 3D graphics API Based on OpenGL ES 2.0, exposed through the HTML5 Canvas Element as Document Object Model interfaces. developers familiar with OpenGL ES 2.0 will recognize webgl as a shader-based API using glsl, with constructs that are semantically similar to those of the un

one, the difference between WebGL and traditional web pages:Common Web page composition: HTML, JavaScript;WebGL Web page composition: HTML5, javascript, and GLSL es (shader language OpenGL es);WebGL uses the Canvas can support both two-dimensional and three-dimensional graphics, it does not directly provide a drawing method, but instead provides a context mechani

WebGL supports detection with supported browser version rollupThe beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun Vulcan's Beautiful Life-this blog focuses on Agile development and mobile and IoT device research: IOS, Android, HTML5, Arduino, Pcduino , Otherwise, the article from this blog refused to repr

Summary of Khronos information on GDC: VULKAN,OPENXR,WEBGL,GLTFGame Developers Conference, San Francisco – The Khronos? group, an organization of leading hardware and software companies, has released major API updates and new workgroup announcements at the Game Developers Conference (GDC). This week, we will have a series of Khronos sponsored events, the Khronos group is accelerating the development of cross-platform APIs and bringing the latest hardw

Note: The article is translated from http://wgld.org/, the original author Sambonja 広 (doxas), the article if there is my additional instructions, I will add [Lufy:], in addition, The WEBGL research is not deep enough, some professional words, if the translation is wrong, you are welcome to correct. The results of this demo runWebGL and TexturesThe method of color complementary coloring with light from point light source was introduced last time.In th

Note: The article is translated from http://wgld.org/, the original author Sambonja 広 (doxas), the article if there is my additional instructions, I will add [Lufy:], in addition, The WEBGL research is not deep enough, some professional words, if the translation is wrong, you are welcome to correct. something that must be preparedThe basics of 3D drawing were last introduced. The two coordinate systems that are determined by different z-coordinates, a

Example of a 3D data center based on HTML5 WebGL, html5webgl3d data center Preface The 3D data center rendered with WebGL is nothing new now. The main purpose of this article is to explain that the eye and center problems in the 3D data center are just used in the project, after thinking about it, I finally thought that this example is the most suitable for my requirements and will be used as a record. Th

is not surprising because the deep cache is often called the Z cache .) Webgl always sorts all Z values from 0 to 1, 0 is the closest, and 1 is the farthest. All you need to know now is,The greater the value of Z-buffer, the farther the object is from,It is opposite to our normal coordinate system. At this point, we should mention that the corresponding code is cached in depth. Gl. Enable (GL. depth_test)

First, the previousThe development of technology is changing rapidly, maybe go home to catch a few days fish, come out a new thing. At the beginning of the new technology development, you can not foresee its future trend, life is precious, there is no need to spend too much time in-depth study of these new things, but, know, probably, to understand a full picture is very necessary. Although not the creators of the Times, nor lag behind the tide of development of the Times.The development of the