This article refers to the WebGL Programming Guide
Using the knowledge from the previous chapter, draw the following points:Source:Test.jsfunctionMain () {varGL =Init (); if(!GL) {Console.log (' Failed to Init '); return; } varn =initvertices (GL); if(N ) {Console.log (' Failed to init vertices '); return; } gl.drawarrays (GL. POINTS,0, n);}//@Func: init the WebGL//@Return: GL (the
#本文参考 The WebGL Programming Guide
There are two types of variables in the shader:(1) attribute: Data related to each vertex(2) Uniform: the same data for each vertex#比如: Each vertex has a different position, the position is attribute, and if each vertex is red, the red can be uniform.To pass a parameter to a shader:(1) Declaring a variable in a shader// Vertical Shader var Vshader_source = ' attribute vec4 aPos; void Main () { = aPos;
API:HTTPS://DEVELOPER.MOZILLA.ORG/ZH-CN/DOCS/WEB/API/WEBGL_APIWEBGL 3D perspective:https://webglfundamentals.org /webgl/lessons/zh_cn/webgl-3d-orthographic.html#tochttps://webglfundamentals.org/webgl/lessons/ Webgl-3d-perspective.htmlwebgl-examples:https://github.com/mdn/webgl
I've never noticed it before.After Unity publishes the WEBGL project, it opens the index.html that was released, no problem.But the cloth to IIS, opened with the address of the errorLook, the published things, there is a build folder, below a few extensions are. unityweb filesThink about it again. The MIME setting for IISThen set it up (see downloading Assetbundle from the IIS Web site and writing to the local disk for the specified path)In other word
Webgl -- start to make some real 3D objects
Original article of Lesson 4:
Http://learningwebgl.com/blog? P = 370
Case study: http://learningwebgl.com/lessons/lesson04/index.html
The difference between the code in this lesson and the previous one is completely concentrated in the animate, initbuffers and drawscene features. If you scroll down to animate, you will see some very small changes: variables, remember that the two objects in the current
The threshold for using 3D technology in H5 is lower, based on WebGL (THREEJS), a subset of OpenGL's browsers, supporting most of the major 3D function interfaces. Currently the mainstream browser has better support, IE needs 11. Recently, the development of Web 3D computer room has been over, there is time to organize some of the results of this period. Mainly involves the use of H5, JS, WebGL technology.G
Boundless business Domain (http://blog.csdn.net/omni360/)
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Reprint please keep this sentence: The business domain is boundless-this blog focuses on agile development and mobile and object-linked equipment research: Data visualization, Golang, HTML5, WEBGL, THREE. JS, otherwise, from this blog article refused to reprint or reprint, thank you for your cooperation.
I
Istrolid is an HTML5 game that uses many new web technologies. The game author treeform uses webGL, WebSocket, AudioContext, and the self-developed responsive HTML framework to render graphics, create network connections, play audio, and design the UI ........ .....,. Istrolid is an HTML5 game that uses many new web technologies. The game author treeform uses webGL, WebSocket, AudioContext, and the self-dev
To display 3D images in a browser, WebGL is usually used.Three. js(Http://mrdoob.github.com/three.js/),WebGLThe browser version and video card have high requirements, and many clients cannot use them normally.
Later, I found it online.X3DOM(Http://www.x3dom.org/), by using different backend ),X3DOMIt can be compatible with earlier versions of browsers (mainly the IE series) or run without the support of video cards. The commonly used non-
Recently in touch with the unity of the WebGL platform, in fact, this platform as a substitute for Web player, has been able to meet most of the development needs, and do not need additional plug-in support, it is indeed convenient, but still encountered a lot of problems in development, here to record and share the solution.The first is the build option, in "Player Settings".Resolution and presentation and old Web Player don't change, you can put you
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 runouter, inner, and occlusion culling of polygonsThe index cache was last introduced, and drawing using IBO, using the index cac
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 runre-use of vertex cachesIn the previous article, a new vertex attribute was added to the three vertices of the polygon, which a
Here we will construct a HT for web-based Html5+javascript to implement the Hanoi game. Http://hightopo.com/demo/hanoi_20151106/index.html Hanoi game rules and recursive algorithm analysis please refer to Http://en.wikipedia.org/wiki/Tower_of_Hanoi. Knowing the rules and algorithms of Hanoi, we now start creating elements. Creating a chassis and 3 pillars with the HT for WEB (http://www.hightopo.com) existing 3D template is not a problem, the problem is to create several hollow discs. The first
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
Lesson 7th: Light
Parallel Light: directional lights
Environment light: ambient lights
Webgl does not have built-in support for light. Unlike OpenGL, webgl can help you process at least eight light sources. However, OpenGL can only deal with simple illumination. Even non-flat objects cannot be processed, and shadows cannot be processed.
The goal is to virtualize the light source in a scenario. First, we nee
built into WebGL, and the value needs to be turned on.How to achieve a hybrid?1. Turn on the blending function: Gl.enable (GL. BLEND).2. Specify the Blending function: Gl.blendfunc (GL. Src_alpha, GL. One_minus_src_alpha).If we only set the fourth component of the color, and the transparency effect is not visible, you must perform the above two steps.6.gl.blendfunc (Src_factor, Dst_factor)The functions of blending are specified by the parameters Src_
color * scatter coefficient + light source intensity with color *max (0, Dot (n,l)) * Scatter coefficient + light source intensity with color *pow (dot (h,n), P)The scattering coefficient is closely related to the color of P itself. The POW is to quickly reduce the highlight size, otherwise the highlighting is not true. P is the smoothing factor.The POW (dot (h,n), P) is an improved Phong shading. Phong proposed is the POW (max (0,dot (r,e-p)), p). The difference is that when E-p and R are obtu
In a large amount of data 2D scene, to find a specific model is difficult, and can only show a part of the model, the display is not intuitive, this time can quickly build a 3D scene there is a great demand. But building 3D scenarios and relying on 3DS Max or Maya professional 3D designers to model, Unity 3D engine to do graphics rendering, this is a challenge for users! However, the HT one-stop solution provides one-stop solutions from modeling to rendering, including component rendering and da
animation effect of the view, so that the animation process to change which properties. Change the amplitude of each animated frame, before animating the various event handlers. Multi-animation parallel or serial processing everything can be in your own hands.The first contact with the easing concept is to learn flash/flex when exposed to the demo here. This demo for the first time to my easing intuitive feeling. Now, based on HTML5 's ability to participate in the http://easings.net/,Easing fu
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