HLSL Water Effect....

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Re: HLSL Water Effect.... [Re: Steempipe] #34003 09/27/04 22:06 09/27/04 22:06
Joined: Nov 2002 Posts: 913 Berlin, Germany S SchokoKeks User
SchokoKeks User S Joined: Nov 2002 Posts: 913 Berlin, Germany	My gosh! A watershader that finally works on my Geforce 3 Ti 200. Well done Steempipe! The waves I see are too abnormal and erratic. Make then a little slower and more regular. The shader seems to be best for small (mountain) lakes. Keep on the good work (And don't forget the conversion of the terrain multitexturing shader ) -SchokoKeks my gameDev Blog

Re: HLSL Water Effect.... [Re: SchokoKeks] #34004 09/27/04 22:18 09/27/04 22:18
Joined: Jan 2004 Posts: 620 Germany TimeOut User
TimeOut User Joined: Jan 2004 Posts: 620 Germany	Looks very good. Works good on my Radeon 9800Pro Athlon 64 3700+ 2048 MB DDR PC400 Dual Corsair XFX Geforce 7800 GT A6 Commercial 6.4

Re: HLSL Water Effect.... [Re: SchokoKeks] #34005 09/28/04 00:39 09/28/04 00:39
Joined: Dec 2003 Posts: 1,097 Maryland, USA Steempipe OP Serious User
Steempipe OP Serious User Joined: Dec 2003 Posts: 1,097 Maryland, USA	Quote: My gosh! A watershader that finally works on my Geforce 3 Ti 200. Well done Steempipe! The waves I see are too abnormal and erratic. Make then a little slower and more regular. The shader seems to be best for small (mountain) lakes. Keep on the good work (And don't forget the conversion of the terrain multitexturing shader ) -SchokoKeks Okay.. Looks much better with a new normalmap that ripples the water in a more fluid, wind-kissed way. Also, I got the code changed that will allow scaling of the textures, and to shift the textures while contolling the speed/direction. The demo has a hack in there, based on time, to do some UV shifting. And yes, for my project, this water I specifically am designing for a mountain type pond/lake. However, I do have a good start on a large body water effect, too. Eric http://steempipe.blogspot.com

Re: HLSL Water Effect.... [Re: Steempipe] #34006 09/28/04 00:47 09/28/04 00:47
Joined: May 2002 Posts: 7,441 ventilator Senior Expert
ventilator Senior Expert Joined: May 2002 Posts: 7,441	cool! ...works on my gf4. is this per pixel cube mapping?

Re: HLSL Water Effect.... [Re: ventilator] #34007 09/28/04 01:10 09/28/04 01:10
Joined: Dec 2003 Posts: 1,097 Maryland, USA Steempipe OP Serious User
Steempipe OP Serious User Joined: Dec 2003 Posts: 1,097 Maryland, USA	Correct, per pixel cube mapping with a nonconstant view position. Transparency is adjusted in the pixelshader. The cubemap is static. http://steempipe.blogspot.com

Re: HLSL Water Effect.... [Re: Steempipe] #34008 09/28/04 01:15 09/28/04 01:15
Joined: Oct 2002 Posts: 815 NY USA R Red Ocktober Developer
Red Ocktober Developer R Joined: Oct 2002 Posts: 815 NY USA	... hey, it even works on my Radeon 9200 ripples and all... nice work Steem' question, do you think that this effect can be applied to an 'ocean' matrix with undulating waves? --Mike

Re: HLSL Water Effect.... [Re: Red Ocktober] #34009 09/28/04 01:29 09/28/04 01:29
Joined: Dec 2003 Posts: 1,097 Maryland, USA Steempipe OP Serious User
Steempipe OP Serious User Joined: Dec 2003 Posts: 1,097 Maryland, USA	It could be applied to an ocean with undulating waves. Thing is this; There are a number of items that need to be added to the vertexshader to really make it a great looking ocean shader. It would do well as-is, but it would be nice to alpha fade the edges near shore, and to lerp some colors for depth appearance. My next plan is to get the stupid Fog working in my HLSL code. It eludes me right now. http://steempipe.blogspot.com

Re: HLSL Water Effect.... [Re: Steempipe] #34010 09/28/04 01:33 09/28/04 01:33
Joined: May 2002 Posts: 7,441 ventilator Senior Expert
ventilator Senior Expert Joined: May 2002 Posts: 7,441	oFog = 1 - (distance(vertex_w, vecViewPos) - vecFog.x) * vecFog.z; i use this for fog. vertex_w = vertex in world space.

Re: HLSL Water Effect.... [Re: ventilator] #34011 09/28/04 01:44 09/28/04 01:44
Joined: Oct 2002 Posts: 815 NY USA R Red Ocktober Developer
Red Ocktober Developer R Joined: Oct 2002 Posts: 815 NY USA	thx Steem'... i understand that this is a work in progress... i'll be content to wait until you have it just the way you want... and... THANKS not only for sharing the code, but for taking us along for the ride during development... --Mike

Re: HLSL Water Effect.... [Re: Red Ocktober] #34012 09/28/04 02:51 09/28/04 02:51
Joined: Jan 2002 Posts: 1,276 trapped in a paper bag Drew Serious User
Drew Serious User Joined: Jan 2002 Posts: 1,276 trapped in a paper bag	I notice the sky texture is distorted in the reflection, ! Is this the pro only view to Texture, or done in shader, using an assigned bmp?

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