shadow system ??????

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shadow system ?????? #199779 04/01/08 11:08 04/01/08 11:08
Joined: Dec 2004 Posts: 237 H Hani OP Member
Hani OP Member H Joined: Dec 2004 Posts: 237	No comment The deference between madness and geniuses is success

Re: shadow system ?????? [Re: Hani] #199782 04/01/08 11:12 04/01/08 11:12
Joined: Apr 2005 Posts: 4,506 Germany F fogman Expert
fogman Expert F Joined: Apr 2005 Posts: 4,506 Germany	Are you really surprised? This is a common problem of stencils: [manual] Dynamic shadows are not clipped by walls. A shadow can be cast on a wall, at the back side of the wall, and on the floor behind the wall at the same time. Take care that level and models are very dark in unlit parts (or use the cast flag) to cover or suppress unwanted shadows. Stencil shadows are also visible on model polygons that point away from the light source, which can lead to undesired flickering shadow polygons. To avoid this, use a material with low ambient and a high diffuse part. [/manual] no science involved

Re: shadow system ?????? [Re: fogman] #199795 04/01/08 11:51 04/01/08 11:51
Joined: Dec 2004 Posts: 237 H Hani OP Member
Hani OP Member H Joined: Dec 2004 Posts: 237	DAHHHHHHHHHHHHHHHH A7 has invented a new physic law single light can cast 4 shadows !!!!!!! amazing The deference between madness and geniuses is success

Re: shadow system ?????? [Re: Hani] #199801 04/01/08 12:15 04/01/08 12:15
Joined: Jan 2007 Posts: 221 F Fenriswolf Member
Fenriswolf Member F Joined: Jan 2007 Posts: 221	This is not an invention of A7. Those ghost shadows are just a side effect of how stencil shadows work. To safely prevent ghost shadows from being visible, all objects which receive shadows should be able to cast shadows as well.

Re: shadow system ?????? [Re: Fenriswolf] #200017 04/02/08 08:20 04/02/08 08:20
Joined: Dec 2004 Posts: 237 H Hani OP Member
Hani OP Member H Joined: Dec 2004 Posts: 237	Again Dahhhhhhhhhhhhhhhhhhh , so if i want to fix the Brilliant shadow system of A7 , i should not draw shadows on things that should have shadow ??? mmmmmmm Brilliant The deference between madness and geniuses is success

Re: shadow system ?????? [Re: Hani] #200035 04/02/08 11:06 04/02/08 11:06
Joined: Aug 2003 Posts: 7,439 Red Dwarf Michael_Schwarz Senior Expert
Michael_Schwarz Senior Expert Joined: Aug 2003 Posts: 7,439 Red Dwarf	Hey you. Listen up! IT HAS NOTHING TO DO WITH THE A7 SHADOW SYSTEM Its just HOW IT WORKS any other engine that uses stencil shadows has the same problem. Last edited by Michael_Schwarz; 04/02/08 11:08. "Sometimes JCL reminds me of Notch, but more competent" ~ Kiyaku

Re: shadow system ?????? [Re: Michael_Schwarz] #200047 04/02/08 11:30 04/02/08 11:30
Joined: May 2002 Posts: 7,441 ventilator Senior Expert
ventilator Senior Expert Joined: May 2002 Posts: 7,441	no, not every engine that uses stencil shadows has the same problem. if all geometry casts stencil shadows (like in doom3) then this problem doesn't happen like fenriswolf already mentioned. gamestudio can't really do this. stencil shadows more and more get replaced by shadow mapping anyway though.

Re: shadow system ?????? [Re: ventilator] #200058 04/02/08 12:33 04/02/08 12:33
Joined: Jan 2007 Posts: 1,619 Germany Scorpion Serious User
Scorpion Serious User Joined: Jan 2007 Posts: 1,619 Germany	btw...is there already some kind of shadowmapping that could used in a7..with acceptable results? and if not(I guess so? ) can't some of us join and let's say work on it for a week (and not on side projects for that time) then?

Re: shadow system ?????? [Re: Scorpion] #200076 04/02/08 13:16 04/02/08 13:16
Joined: May 2002 Posts: 7,441 ventilator Senior Expert
ventilator Senior Expert Joined: May 2002 Posts: 7,441	i have pssm working. i will release it once i don't need a dll for setting light matrices anymore and once i have added nicer filtering (or maybe i will release it before i have added nicer filtering so that someone else can try to work on it :)).

Re: shadow system ?????? [Re: ventilator] #200231 04/03/08 06:40 04/03/08 06:40
Joined: Dec 2004 Posts: 237 H Hani OP Member
Hani OP Member H Joined: Dec 2004 Posts: 237	[ventilator ] thanks a lot , that would be very nice , btw is there a replacement for the light engine of A7 ? The deference between madness and geniuses is success

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