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 GameDev.Net Discussion Forums  Image of the Day Simple techdemo.Send Topic To a Friend | View Forum FAQ | Track this topic | View Forum |
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| Simple techdemo. |
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  skalniak Member since: 12/15/2004 From: Poland |
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 Dynamic soft shadow, materials, dynamic lighting per-pixel, parallax mapping, rain. |
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Moe Member since: 1/24/2000 From: Calgary, Canada |
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Posted - 11/5/2009 12:07:42 PM |
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| Looks good, but some more technical info might be nice. OpenGL or DirectX? What sort of techniques are you using for your soft shadows? Are you doing any parallax mapping? Moe's blog/devlog | Home of Todo 3.0 | Future home of Todo 4.0 |
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Game_Coder2009 Member since: 6/27/2009 From: Marina del rey, CA, United States |
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Posted - 11/5/2009 2:45:11 PM |
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| From the looks of things my first guess would be opengl, but that could be because of the textures. I'm am thinking it's directx. |
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skalniak Member since: 12/15/2004 From: Poland |
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Posted - 11/5/2009 3:09:16 PM |
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| TechDemo is written in OpenGL. I use percentage closer filtering for soft shadow (with custom kernel). It use normal mapping and parallax mapping (witch offset limiting). Rain is a post processing effect (Edit: image space efect). -- skalniak [Edited by - skalniak on November 8, 2009 3:09:51 AM] |
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mikfig Member since: 6/4/2007 |
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Posted - 11/5/2009 8:38:26 PM |
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| This looks really good :D What technique did you use for the rainfall? I'm interested in how that post-process works. "WARNING: Excessive exposure to politicians and other bureaucrats has been linked to aggressive behavior." - Henk Hopla |
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Quat Member since: 9/15/2003 |
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Posted - 11/6/2009 12:55:39 PM |
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| Looks good. How do you do rain as a post process effect? |
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sebh Member since: 8/2/2006 From: Rennes, France |
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Posted - 11/7/2009 6:58:59 AM |
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| Nice demo! I would like a video to appreciate the moving rain. Is it possible? Or a link to the demo to try it on my computer... ------------------------------------------------ http://sebastien.hillaire.free.fr |
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Nikko_Bertoa Member since: 2/24/2008 From: Cordoba, Argentina |
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Posted - 11/7/2009 12:11:26 PM |
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| Looks very nice!!! Good work!! My Game Programming Portfolio |
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skalniak Member since: 12/15/2004 From: Poland |
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Posted - 11/8/2009 3:58:20 AM |
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| This technique works in image space ( this is a simplification of the technique from Toyshop). Link to video: http://www.youtube.com/watch?v=3mxqpIdSkM4 -- skalniak |
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mikfig Member since: 6/4/2007 |
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Posted - 11/8/2009 4:45:06 AM |
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| Think I found the whitepaper, its from ATI (guys who made Toyshop demo) and think it was around GDC '06. Linky "WARNING: Excessive exposure to politicians and other bureaucrats has been linked to aggressive behavior." - Henk Hopla |
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mytre Member since: 11/29/2005 From: Skopje, Macedonia |
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Posted - 11/9/2009 2:00:27 AM |
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| great demo indeed, however you are surely aware that rain effect can be used only on static scenes right? |
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zoret Member since: 5/11/2006 From: PARIS, France |
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Posted - 11/19/2009 7:06:57 AM |
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| nice demo but the rain looks odd.. you should add a parallax effect also try to take in account the camera velocity and change the rain direction accordingly anyway screen space rain is not the best solution for rain I would really suggest a particles based approach (check the latest shaderx book) they used it in the latest moto gp and it looks really good ! also with this technique you can easily switch the particle shape & velocity and simulate snow... anyway good job.. rally good demo have you done this in order to find a job in the game industry ? |
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