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Type: Posts; User: lthornblad

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  1. Re: Strange (or expected?) behavior when blocking alpha writ

    Don't know if you copy and pasted, but it's ONE_MINUS, not ONE_MINUES. It could also be your setup, which varies a bit by browser. Here's what I use...

    var thisCanvas;
    thisCanvas =...
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    Re: What do I read to understand WebGL?

    If you know OpenGL and JavaScript, WebGL is quite a small learning curve, so I'd recommend starting there.
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    Re: Shadows in WebGL

    Your first post is a bit unclear in terms of what you are looking for. That article is a very simplistic type of shadowing, but perhaps that is all you need(?). The common techniques make use of...
  4. Thread: picking

    by lthornblad
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    Re: picking

    Not sure what exactly you're trying to do, since it would only work with textures you'd made specially for that purpose. Precise picking is normally done with a plane check per triangle, which...
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    Re: WEBGL with C++ or java

    OP: Since the end result MUST run in JavaScript, your starting point won't make any difference in speed once it is converted.

    The only exception that I'm aware of is Google's Native Client, which...
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    Re: simple model viewer

    Um, no. Just tried typing in a url to an .obj on my site. I don't see anything that says I should try untitled.obj. But I tried it and that worked.
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    Re: simple model viewer

    Tried opening an .obj file - didn't work. :(
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    Re: Odd issue only with Chrome.

    I originally thought the problem above was caused by the perspective camera, but it turned out to be the anti-alias setting, which works in Chrome, but not in Firefox. So even though it looked...
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    Re: Odd issue only with Chrome.

    Spoke too soon. :( It seems that whether or not it works properly depends on how the document is opened, though I haven't determined the exact conditions. This is very odd.

    EDIT: Ah, so I...
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    Re: Odd issue only with Chrome.

    Aha! Looks like someone noticed this and fixed it! Sweet!

    Now if I could just figure out why I'm getting 60+ fps in Chrome and @25 fps in Firefox. :(
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    Odd issue only with Chrome.

    I'm developing an OpenGL engine and I spent some time last year porting parts of it to WebGL. One piece of the engine is a skinnable 2D Gui that is constructed from quads. I render it using a...
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    Re: Chrome 9 to Chrome 10 Problems

    I've been using Chrome Canary (11.0.699.0) and WebGL has stopped working. I remember reading that there was some INI setting or something, but I never had to set it before. I haven't been using...
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    Re: Mouse pointer 'set position' or bust!

    Reserving the escape key for that purpose is not likely to be an acceptable solution to the community at large, but I don't hate it.
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    Re: Mouse pointer 'set position' or bust!

    Yes. What is to prevent a site from putting you in that delta mode and keeping you there, unable to access anything else?
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    Re: Bug with gl.blendFunc?

    The first suggestion worked. Thanks a lot! :)
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    Bug with gl.blendFunc?

    In the webgl port of my engine, I've found that alpha textures brighten what is behind them. This is not the desired behavior and is different from what I'm getting in my OpenGL engine. I'm...
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    Re: Mouse pointer 'set position' or bust!

    @Steve - Sure, we can live with it and find other ways, but they would hardly be ideal. I won't play FPS-style games on a console.

    Although I have not tried, it seems quite possible to move the...
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    Re: Mouse pointer 'set position' or bust!

    I don't think it's a transition people will accept, at least not for FPS-type games. I am certainly aware of the potential exploits, but the fact is there are things that can be (and are) exploited...
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    Mouse pointer 'set position' or bust!

    There has been a lot of talk about WebGL as a new platform for games. However, JavaScript lacks one feature that may prevent it from ever competing with the big boys. Unless there is some method...
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    Re: Content protection.

    Actually, no. By content, I am referring to all content, including artwork, and it's certainly not a non-issue. There are many uses for WebGL besides games. Imagine a small company that wants to...
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    Re: Content protection.

    The obfuscation I've seen thus far isn't quite that good, but I agree it's not something I would personally bother trying to reverse engineer. 'Seems there are some people out there with a lot of...
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    Re: Content protection.

    Why is that? I'm not aware of any rulebook that says data has to be of any particular format.


    This misses the point, since what I'm talking about is the licensing of that work by third parties...
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    Content protection.

    My question has already come up in the FAQ, but I found the answer pretty discouraging.



    It is more than unduly idealistic for the following reason. Many companies that build sophistocated web...
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