shader on sky cube image

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shader on sky cube image #439743 04/08/14 11:05 04/08/14 11:05
Joined: Mar 2011 Posts: 3,150 Budapest sivan OP Expert
sivan OP Expert Joined: Mar 2011 Posts: 3,150 Budapest	hi is there any example available of a sky cube image shader? I want to make some simple effects on it, but the texture gets stretched, the same appears on each side, so I can't position them properly... and InNormal seems to be undefined similarly to sprites, not surprisingly because a sky cube is said to be rendered as 6 sprites. thanks Free world editor for 3D Gamestudio: MapBuilder Editor

Re: shader on sky cube image [Re: sivan] #439748 04/08/14 16:17 04/08/14 16:17
Joined: Jun 2009 Posts: 2,210 Bavaria, Germany Kartoffel Expert
Kartoffel Expert Joined: Jun 2009 Posts: 2,210 Bavaria, Germany	are you using cubemaps and texCUBE()? POTATO-MAN saves the day! - Random

Re: shader on sky cube image [Re: Kartoffel] #439753 04/08/14 18:10 04/08/14 18:10
Joined: Mar 2011 Posts: 3,150 Budapest sivan OP Expert
sivan OP Expert Joined: Mar 2011 Posts: 3,150 Budapest	no. probably I did totally wrongly, just added a shader to mtl_sky containing a VS only (wanted to add a tint to the lower part of the sky cube). thus I change my question to: how to do it? Last edited by sivan; 04/08/14 18:14. Free world editor for 3D Gamestudio: MapBuilder Editor

Re: shader on sky cube image [Re: sivan] #439759 04/08/14 19:25 04/08/14 19:25
Joined: Jun 2009 Posts: 2,210 Bavaria, Germany Kartoffel Expert
Kartoffel Expert Joined: Jun 2009 Posts: 2,210 Bavaria, Germany	I have no idea how the default sky shader works (i think it's hardcoded) ...so sorry, I cant help you with this. POTATO-MAN saves the day! - Random

Re: shader on sky cube image [Re: Kartoffel] #439764 04/08/14 21:09 04/08/14 21:09
Joined: Mar 2011 Posts: 3,150 Budapest sivan OP Expert
sivan OP Expert Joined: Mar 2011 Posts: 3,150 Budapest	by default the engine probably uses no shader. so I think I should write my own custom skybox shader that works with mirror views... maybe it would eliminate that bad close clipping at around 71% of clip_far of current sky cubes... Free world editor for 3D Gamestudio: MapBuilder Editor

Re: shader on sky cube image [Re: sivan] #439773 04/09/14 10:02 04/09/14 10:02
Joined: Oct 2004 Posts: 897 Lgh rojart User
rojart User Joined: Oct 2004 Posts: 897 Lgh	Hi, Shade-C EVO uses skybox sc_gBuffer_sky.fx shader, maybe it helps. Regards, Robert Quote Everything should be made as simple as possible, but not one bit simpler. by Albert Einstein PhysX Preview of Cloth, Fluid and Soft Body A8.47.1P

Re: shader on sky cube image [Re: rojart] #439776 04/09/14 10:16 04/09/14 10:16
Joined: Mar 2011 Posts: 3,150 Budapest sivan OP Expert
sivan OP Expert Joined: Mar 2011 Posts: 3,150 Budapest	thanks! (I browsed it but had not found) edit: great, matTexture and Out.Tex = mul(float3(InTex.x,InTex.y,1),matTexture).xy; are what I needed Last edited by sivan; 04/09/14 10:46. Free world editor for 3D Gamestudio: MapBuilder Editor

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