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Newcomers DBPro Corner / What is a BOB?

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Drifter
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Posted: 29th Jun 2003 21:53
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What is a Bob
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Shadow
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Posted: 29th Jun 2003 22:06 Edited at: 29th Jun 2003 22:06
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It's a funky name for a sprite.

I think.
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Oliver
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Posted: 29th Jun 2003 22:06 Edited at: 29th Jun 2003 22:09
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Bob, Sprite ... Definitly not.

When you walk along, imagen you are holding a camera, it would go up and down wouldn't it (if you walk normally anyway ). Well thats a bob . Its used alot in FPS games, and move the camera up and down slightly as you walk, to add the effect of walking. A bit like a sin curve movement.

I've seen a number of tutorials on it
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Oliver
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Posted: 29th Jun 2003 22:11
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If you were smart (like me) you would look it up in a dictionary:

bob3

bob3 [bob] (plural bob) noun
U.K. shilling: a shilling in the former British currency system (informal)

[Late 18th century. Origin unknown.]

Encarta® World English Dictionary © & (P) 1999 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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Drifter
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Posted: 29th Jun 2003 22:11
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But when I do 'show sprite variable' it says the bob doesn't exist.
How to I fix that?
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Shadow
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Posted: 29th Jun 2003 22:15
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Please note that oliver is trying to mislead you. If it says bob does not exist, it means that the sprite does not exist.
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Drifter
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Posted: 29th Jun 2003 22:16
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k thanks
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indi
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Posted: 29th Jun 2003 22:52
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bob - blitter object a throw back to amiga /atari days but even way before this time being called a blitter or bit bit.

http://www.lunarpixel.com
http://www.lunarpixel.com/dt/
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Oliver
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Posted: 30th Jun 2003 11:38
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Thats what I know as the meaning of bob, sorry
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FiShFuN4eVeR
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Posted: 30th Jun 2003 11:51
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He, where can I find tutorials on a FPS bob? Do I have to use an other collision system then?

Lets make free games!
Download them at www.fishsoft.tk
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Oliver
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Posted: 30th Jun 2003 12:05 Edited at: 30th Jun 2003 12:07
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No, you don't need another collision system. All you do is move the camera up and down slightly as you walk. Most FPS games have it, like counterstrike... And looks nice if you have it in time with a footstep sound.

I remember reading a tutorial along time ago, I did a quick search on google but couldn't find anything. Anyway this was Game_Creator's idea for a tide, but you could easyily adapt it for a BOB:

position camera 0,camera position y+(sin(timer())*[crest - trough])+[average wave height],0

crest being the highest point of the tide and trough being the lowest point...so the code would look something like...

Atleast someones is interested in my bob theory , none of this sprite crap
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