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Messages - JeGX

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3D-Tech News Around The Web / Making Games with Python on the Raspberry Pi
« on: December 11, 2015, 03:00:51 PM »
While countless millions of us take great pleasure spending hours racking up high
scores in our favourite games, few of us are ever exposed to the delights of making them in the
first place. It’s far from easy, but learning to code your own shoot-’em-up is infinitely more satisfying
than beating any end-of-level boss.

Although this book is designed to help you learn many of the essential skills you’ll need to make
games with Python and Pygame on your Raspberry Pi, it’s by no means definitive. Frankly, you could
read a dozen books on the subject and still not have the skills you need to succeed. As with most things,
nothing replaces good old-fashioned practice. I should know: I have 30 cookery books lining my shelf
and I still burnt my toast this morning.

Making games is a brilliant way to learn to code, though, so I hope this book helps you to get started
on your next big adventure.

- Essentials_Games_v1.pdf

GeeXLab - english forum / Re: GeeXLab released
« on: December 11, 2015, 01:59:54 PM »
I just published a post that should help you to get iDate in your demos:

For the cubemap, you can do it yourself  directly in the demo. To load a cubemap (6 images) use this code:
Code: [Select]
local pf = 3
local abs_path = 0
cubemap = gh_texture.create_cube_from_file("./data/skybox08_posx.jpg", "./data/skybox08_negx.jpg", "./data/skybox08_posy.jpg", "./data/skybox08_negy.jpg", "./data/skybox08_posz.jpg", "./data/skybox08_negz.jpg", pf, abs_path, 0)

To use a cube map in a Shadertoy demo (the cubemap is bound to the sampler iChannel1 in the Shadertoy pixel shader):
Code: [Select]
gh_texture.bind(tex0, 0)
gh_texture.bind(cubemap, 1)
gh_texture.bind(tex2, 2)

gh_gpu_program.uniform1f(shadertoy_prog, "iGlobalTime", elapsed_time)
gh_gpu_program.uniform1i(shadertoy_prog, "iChannel0", 0);
gh_gpu_program.uniform1i(shadertoy_prog, "iChannel1", 1);
gh_gpu_program.uniform1i(shadertoy_prog, "iChannel3", 2);

The cubemap is defined as follows in a shadertoy demo:
Code: [Select]
uniform sampler2D iChannel0;
uniform samplerCube iChannel1;
uniform sampler2D iChannel3;

There is a shadertoy demo in the code sample pack that uses cubemaps:

I found the solution and now we can fully control the opacity of the window. Available in GeeXLab I posted an article about that topic:

Here is an article about how to control the opacity of the 3D window on the Raspberry Pi:

GeeXLab - english forum / Reflections in GeeXLab
« on: December 07, 2015, 11:16:01 AM »
A quick article about how to do reflections of objects (on mirror, water, etc.) in GeeXLab:

GeeXLab - english forum / GeeXLab Raspberry Pi released
« on: December 07, 2015, 10:18:38 AM »

GeeXLab - english forum / GeeXLab for OS X released
« on: December 07, 2015, 10:17:54 AM »

GeeXLab - english forum / Re: Shadering Chameleon V2.0 vs. Intel graphics
« on: December 06, 2015, 08:54:27 PM »
By the way, I added this demo to the code sample pack. Thanks Stefan for the port ;)

GeeXLab - english forum / Re: Shadering Chameleon V2.0 vs. Intel graphics
« on: December 06, 2015, 08:52:00 PM »
The head is missing here too. But it seems you have tweaked a bit the code in the map() function (around line 197). I copied the original map()  function from Shadertoy website and the chameleon looks good with a GTX 960:

I will check the demo with the Intel HD 530 asap.

GeeXLab - english forum / GeeXLab for Linux released
« on: December 05, 2015, 01:52:32 PM »

GeeXLab - english forum / GeeXLab released
« on: December 04, 2015, 07:44:16 PM »
GeeXLab for Windows is available:

Versions for other OSes will be available very soon.

3D-Tech News Around The Web / Re: Shadertoy/GeeXLab - La calanque
« on: December 04, 2015, 07:41:57 PM »

Less than 30 FPS on my GTX 960 in 800x480...

GeeXLab - english forum / From GLSL Hacker to GeeXLab
« on: December 04, 2015, 07:38:07 PM »
GLSL Hacker project has been stopped and GeeXLab project has been reactivated.

Here are some explanations:

GeeXLab - english forum / Re: Shadering Chameleon V2.0 vs. Intel graphics
« on: December 04, 2015, 07:34:42 PM »
I'll try to check this demo later. Probably an bug in Intel desktop OpenGL driver...

Similar graphics bugs:,3928.0.html

3D-Tech News Around The Web / NVIDIA R359.12 Hotfix Driver
« on: December 03, 2015, 11:17:22 AM »
R359.12 is a GeForce Hot Fix driver that addresses game crashes on certain GeForce GTX 860M notebooks.

- win10 64-bit
- win10 32-bit

- win7 / win8 64-bit
- win7 / win8 32-bit


Oculus VR is going to make a “special announcement” this Thursday during The Game Awards, which is an annual livestreaming show that attempts to recognize excellence in game development.


3D-Tech News Around The Web / Warsow 2.0 released
« on: December 01, 2015, 01:55:54 PM »
Warsow is set in a futuristic cartoonish world where rocketlauncher-wielding pigs and lasergun-carrying cyberpunks roam the streets. It is a completely free, fast-paced first-person shooter (FPS) for Windows, Linux, and Mac OS X.

- Warsow 2.0 blog post
- Downloads
- Source code

3D-Tech News Around The Web / Visual Studio 2015 Update 1 - v140_xp
« on: December 01, 2015, 01:16:17 PM »
Perfect update, it's exactly what I need to target Windows XP platforms:

3D-Tech News Around The Web / Visual Studio 2015 Update 1
« on: December 01, 2015, 12:23:08 PM »
Today, we are happy to announce the release of Visual Studio 2015 Update 1. This release includes our latest feature and functionality updates.

- Release notes
- VS2015 Update 1 DOWNLOAD

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