webgl tutorial

) {// Monitor Click event e.preventdefault (); block default action if (e.clienty-120 ) { showcity (); // Show initial 3D building scene LISTVIEW.DM (). SM (). CS (); // list settings clears all selected elements }});All code ends!SummarizeThis 3D Intelligent building monitoring system is very simple, for the technical staff is completely no challenge, the main work in the art, so that, if you want to add more complex requirements, technicians can devote themselves to

up position, and use the LookAt function, next create a renderer, specify the background color and width, height, and then create an object , the renderer needs to be added to the document.body, followed by an animation, and then run. However, we can find that although the above code is done, but the encapsulation is not good, we can try to encapsulate it in a function, as follows:"en">"UTF-8"> As shown above, through the function encapsulation, the program logic is better, and only exposes the

in the main loop should be understood. Summary This demo, the lens will always remain in the ring and around the circle around the ring rotation. Although only a simple rotation processing, but deliberately used four yuan, which is also to enable us to understand more deeply. With Minmatrixb.js and four-dollar numbers, you can easily rotate a vector. If you look at the Minmatrixb.js code, you can learn more about the four-dollar operation calculation. In fact, this is only related to some fou

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 runbenefits of the Model coordinate transformation matrixLast time, several models were drawn by manipulating the model coordinat

HTML5-based WebGL design of the tower 3D Game Here we will construct a HTML5 + JavaScript Based on HT for Web to implement the tower of death game. Http://hightopo.com/demo/hanoi_20151106/index.html For details about the game rules and recursive algorithms of tower of Hanoi, see http://en.wikipedia.org/wiki/tower_of_hanoi. Now that you know the rules and algorithms of the tower, you can create elements. Using existing HT for Web (http://www.hightopo.c

Today there is no continuation of the previous story, interspersed with a small episode, WebSocket real-time data communication synchronization problem, today we are not very pure WebSocket related knowledge, we use the WebGL 3D topology map to present an interesting Demo. Let's take a look at what this real-time data communication is all about.Let's talk about the idea of the Demo, first I want to have a 3D topology diagram component, create several

The previous article mentions two restrictions on mapping:1. Cross-domain security restrictionsSimilar to Ajax, but there is no test of the Security configuration file (some XML) under the root directory. Of course, not surprisingly, the local browse (file protocol) call relative path picture is also not possible. So, even testing can only be done under one web platform.2, Picture format problemsThere is a hint on the MDN:Https://developer.mozilla.org/en/Web