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DarkBASIC Professional Discussion / Even more amazing effects... How is it done

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Terabyte
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Posted: 17th Jun 2003 00:52
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Sun shine
GTAIII has it
Strut your stuff erm... sorta had it [img] [/img]
Camera looks up at the sun and you get red ciirles in the lense of the camera.... how is it done...?
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Shadow Robert
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Posted: 17th Jun 2003 04:28 Edited at: 17th Jun 2003 04:28
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this is a simple effect to achieve just make an object to represent the sun, it doesn't have tobe a real object or even show, could just be a polygon doesn't matter...

Now all you do is apply a gradient to the screen gamma whenever the Sun is actually onscreen.



or something like that anyways ... i'm sure if you also want to know howto also have the lense flare rings, someone else will show you

Within the Epic battle of the fates the Shadow and the Angel will meet. With it will harbinger the very fight of good vs evil!
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Terabyte
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Posted: 17th Jun 2003 11:10
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yeah thats actually what i am after...lense flare rings....anyone know??

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Bulleyes
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Posted: 17th Jun 2003 11:50
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Check out DBHeaven, they have some good code snippets on creating lens flare.

Bad Nose Entertainment - Where games are forged from the flames of talent and passion.

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Terabyte
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Posted: 17th Jun 2003 19:02
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aha

hmm
ok could anyone provide an exact link to where it is please only ive been there an i cant find the tutorials

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Shadow Robert
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Posted: 17th Jun 2003 19:10
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could try DBCodeBase.co.uk too
hehee ... sorry for making this seems difficult but it is a very simple effect to recreate and i've been happy not seeing it in games of late cause it seemed when it was figured out EVERYONE used it, even if they didn't need it.

Within the Epic battle of the fates the Shadow and the Angel will meet. With it will harbinger the very fight of good vs evil!
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Terabyte
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Posted: 17th Jun 2003 19:55
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i cant visit that site i even looked in google for that site and i cant find it :S

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Shadow Robert
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Posted: 17th Jun 2003 21:08
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try the darkbasic.co.uk site it has links to the major code sites

Within the Epic battle of the fates the Shadow and the Angel will meet. With it will harbinger the very fight of good vs evil!
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Andy Igoe
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Posted: 17th Jun 2003 21:15
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Lensflares are something that really amuse me, Newtek have a lot to answer for!

They do look good and are a fairly easy effect to implement, but in all my 28 years I don't think i've ever seen a 'real' one so I find it most amusing when people seek a 'realistic' lensflares.

Sorry i've nothing actually constructive to contribute to the thread but I just thought you all should know how much I laugh when I see 'realistic lensflares', if you want realism, how about some black and white dots spinning around when your character stands up because their blood pressure is too low

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rapscaLLion
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Posted: 17th Jun 2003 21:25
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Realistic lensflares??? Who cares? You'd only put a realistic lensflare in a game that is supposed to be realistic. But any realistic game would NOT have lensflares, because that would imply that you are viewing the world through a camera, and not your own eyes.
Who came up with lensflares in games anyway? The sheer stupidity of it...

Alex Wanuch
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Shadow Robert
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Posted: 17th Jun 2003 22:06
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Well you see thats the point in just using Gamma instead, if you put on the top a camera image overlay so that any bright dots will merge to stars and turn to slightly darker spots in view - perhaps a time delay for small red spots to go from your eyes after viewing and return the screen to a slightly lower gamma based on how intense the light was to begin with that gradually returns to normal, then you'll have a fairly real looking lens flare

However remembering if you're viewing through glass you percieve the caustic rings - oftenly the shape of the rings is determined by the weather conditions & glass/transparent material type.

( incase anyone wonders why i'd be saying this, its because 7DP has a fully intergrated light Engine which will do this not just for sunlight but ALL light sources and creates Caustic Illuminations hehee - runs at 2fps right now so i think i need an order of depth node added - and certainly ain't something DBP could handle right now )

I pride myself that i don't kill...
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aprilfan
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Posted: 17th Jun 2003 22:09
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right on rapscaLLion! Lens flares are over used and make you look like a newbie, now if you want a cool sun effect make light come in through your windows, as though there were dust in the air, for an example see Tenshu or Enter the Matrix.

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Soyuz
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Posted: 17th Jun 2003 22:19
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I got a better alternative to lens flares which is much easier to implement...

When you look at the sun you are temporarily blinded - ie make screen go brilliant white. Simple!

I'm sure I've actually seen this in a game.
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Terabyte
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Posted: 17th Jun 2003 22:23
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yes thankyou people
@anjin san
thanks for your comment on light coming through dust but i already have that effect in my game. It was produced using Dark Ghosting

rapscaLLion
"who cares"
I care


@raven
COOL!

@any of those guys who write dbpro
*putts on the 7 year old kid act*
Light engine WOW COOL can we have it in the next patch please please please. I wont complain if it all goes hrribly wrong. [img] [/img]

*goees back to 15 yeaqr old assram mode*

does anyone have a lense flare bitmap image i could borrow please.
can lense flares be done with 3d objects
don't think i've ever seen a 'real' one
go and watch a holiday program on ITV im sure at one point the camera will look up at the sun [img] [/img]

Info Q.&statments corect@da time of going to pres. I acept 0 responsibility for typos gramaticaly incorect txt swering or pety complant tht u hve so just piss off unles u r anserin da Q.
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Soyuz
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Posted: 17th Jun 2003 22:31
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There is a kind of semi-argument that playing a game is like watching a movie, or rather playing a movie. ie if so you would get lens flare.

Like you could argue computer games are the mid-way point between movies and real life so in this respect you are allowed an element of artistic license.
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