WebGL is a Javascript API for rendering interactive 3D / 2D graphics on the HTML5 canvas element. It is based on OpenGL ES 2.0.
18
votes
10answers
5k views
Browser-based MMOs (WebGL, WebSocket)
Do you think it is technically possible to write a fully-fledged 3D MMO client with Browser JavaScript - WebGL for graphics, and WebSocket for Networking?
Do you think future MMOs (and games ...
7
votes
4answers
1k views
How to implement mouselook in the browser?
I am currently creating a 3D first-person shooter game in the browser using WebGL. How would I implement mouselook/free look for such a game?
7
votes
2answers
920 views
Missing features from WebGL and OpenGL ES
I've started using WebGL and am pleased with how easy it is to leverage my OpenGL (and by extension OpenGL ES) experience. However, my understanding is as follows:
OpenGL ES is a subset of OpenGL
...
6
votes
3answers
1k views
Is there a way to use an arbitrary number of lights in a fragment shader?
Is there a way to pass an arbitrary number of light locations (and colors) for the fragment shader, and loop over them in the shader?
If not, then how are multiple lights supposed to be simulated? ...
5
votes
1answer
464 views
How do I create a blob shadow under a character?
I have a webgl based 2.5D platformer game, and I would like to add a simple blob shadow under the character to help the player with the platforming.
How is this normally done?
As you can see below, ...
5
votes
4answers
1k views
Can't understand these UV texture coordinates (range is NOT 0.0 to 1.0)
Hey, hello guys, I am trying to draw a simple 3D object generated by Google SketchUp 8 Pro onto my WebGL app, the model is a simple cylinder.
I opened the exported file and copied the vertices ...
5
votes
3answers
4k views
How do I load Collada models into a WebGL app?
I have written some simple apps following the tutorials on http://learningwebgl.com. What is the simplest way to load and display Collada model files, particularly the files available from Google 3D ...
4
votes
3answers
245 views
List of 3D libraries based on WebGL
Is there a up-to-date list of WebGL libraries or articals with comparison?
Until now I heard only tree.js and GLGE.
4
votes
1answer
221 views
What's the difference between Canvas and WebGL?
I'm thinking about using CAAT as a part of a HTML5 game engine. One of it's features is the ability to render to Canvas and WebGL without changing anything in the client code. That is a good thing, ...
3
votes
1answer
1k views
Rendering 2d sprites into a 3d world?
In opengl how do I render 2d sprites in opengl given that I have a png of the sprite? See images as an example of the effect I'd like to achieve. Also I would like to overlay weapons on the screen ...
3
votes
2answers
921 views
Why must the transpose value of glUniformMatrix4fv in webgl/OpenGL ES be false?
Why must the transpose value of glUniformMatrix4fv in webgl/OpenGL ES be false?
The OpenGL ES spec says that the transpose value must be false or an INVALID_VALUE is generated. Why then have the ...
3
votes
2answers
267 views
What is UVIndex and how do I use it on OpenGL?
I am a noob in OpenGL ES 2.0 (for WebGL) and I'm trying to draw a simple model I've made with a 3D tool and exported to .fbx format. I've been able to draw some models that only have: A vertex buffer, ...
3
votes
2answers
544 views
Disable V-sync in WebGL?
Normally my app runs at 60 fps, But when I add some simple models it decreases to 40fps.
I think v-sync on, which is might be causing it to run slower.
Is there any way to disable v-sync in WebGL?
...
3
votes
2answers
309 views
WebGL geometry calculations
I have a dynamic surface in WebGL, that is animated in vertex shader. I want other objects to interact with this surface (for example, an object riding on dynamic terrain). What's the best way to do ...
3
votes
1answer
1k views
How to create a perspective field of view matrix?
Hey, hello. I am learning a little of WebGL (OpenGL ES 2.0) through the http://learningwebgl.com tutorials, but it uses a third party library to create the View, Projection and transformation matrices ...
