Subject:
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Re: Tilting the camera
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Newsgroups:
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lugnet.cad.ray
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Date:
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Wed, 22 May 2002 02:21:44 GMT
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Viewed:
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2666 times
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In lugnet.cad.ray, Don Heyse writes:
> Sproat called it Roll in his tutorial.
That's what I would call it.
> http://www.io.com/~jsproat/temp/Deciphering_L3P_Part_1.html
>
> > And should a negative angle be a tilt to the left or to the right ?
>
> Hmmm, according to the picture in the tutorial, this makes the camera
> roll to the right:
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> #declare ROLL = 30;
> sky vrotate(-y, z*ROLL)
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> So I guess a positive angle rolls right (if you use the -y convention).
Since most people are more familiar with clocks than polar coordinates, it
makes sense that positive would rotate the camera clockwise. (Of course,
this "rotates" the scene counterclockwise, but hey.)
> > BTW, what is the term for tilting forward/backward ?
I would think this would be pitch. (Yaw would be left/right.)
--Travis Cobbs (tcobbs@REMOVE.san.rr.com)
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Message has 1 Reply:
 | | Re: Tilting the camera
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| Travis Cobbs wrote... (...) I noticed Sproat calls it roll: "How to roll the camera", but he also says: "I'm really talking about tilting the camera to one side." And to me (being a non-English-native) roll is more ambiguous than tilt. Anyone else ? (...) (24 years ago, 26-May-02, to lugnet.cad.ray)
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Message is in Reply To:
| | Re: Tilting the camera
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| (...) Sproat called it Roll in his tutorial. (URL)And should a negative angle be a tilt to the left or to the right ? Hmmm, according to the picture in the tutorial, this makes the camera roll to the right: #declare ROLL = 30; sky vrotate(-y, (...) (24 years ago, 22-May-02, to lugnet.cad.ray)
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