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- Date: Fri, 2 Jan 1998 22:06:04 +0000
- From: Ian Jordan <sunhouse@MAIL.ZYNET.CO.UK>
- Subject: [IML] QUEST:Rotating Letters
-
- Hello everyone.
-
- I am almost too embarrased to ask such a simple question in amongst all
- the technical stuff thats flying around:but here goes.I am attempting to
- make a video title consisting of a number of letters that are at first
- seen end on,and then each letter rotates so it becomes readable and the
- title is in full view.Now my logic says that if I allocate a certain
- number of frames to rotate each letter 90 degrees around the proper axis
- all will be well,and to a point it works.However when the second letter
- for example starts it's rotation the first one loops back to it's
- begining position i.e end on.Here is what I am doing for 2 letters to
- keep this to a reasonable length.1) allow 100 frames with the two
- letters as "actors" for the full 100 frames.2)From the effects menu
- (Rotate2)I rotate the first letter around around the relavent axis for
- 49 frames 1-49.3)do the same thing for the second letter from frame
- 51-100 leaving a 2 frame space in the action.As I said the actual
- animation works and looks fine,and I have tried everything I can think
- of to stop the first letter going back to it's starting position,so it
- is obvious to me that I am overlooking something.The conclusions that I
- have drawn are (A.)It can't be done;but given the power of Imagine that
- seems unlikly.or(B.)I have to perhaps make use of the "layers"
- somehow.So sorry to bore everyone;but what am I overlooking or not
- doing.But this problem has had it's benifits I have learned a lot of
- things from the all the tutorials and faq's that I have found while
- attempting to track down the solution.Thanks to everyone involved in
- putting those together,they are a wealth of information most of which
- though is way beyond me at the moment,but it is certainly something to
- aim for.
-
- Thanks for your patience,and look forward to any thoughts or ideas.
-
- ---------------------------------
-
- Date: Fri, 2 Jan 1998 22:14:05 +0400
- From: Charles Blaquiere <blaq@INTERLOG.COM>
-
- The answer is simple, and, just as you noted in your extremely courteous
- message, this simple problem will teach you something about Imagine.
-
- In the Action editor, the basic rule is "the last value of an Action
- editor bar will be carried forward until Imagine encounters another
- bar". This is why, for example, you can define an object's position at
- frame 1 and have it remain defined for the rest of the animation.
-
- In the Action editor, you have an initial alignment value at frame 1,
- which is temporarily modified by the Rotate2 effect. Once the Rotate2
- bar ends, there is nothing to modify the alignment anymore, and starting
- at frame 50, Imagine will revert to the unadulterated alignment value
- found in the bar on frame 1.
-
- The solution is simple: on frame 50, create a new Alignment bar, with
- the appropriate alignment value. Here's a lazy way to exactly duplicate
- the final Rotate2 alignment: go to frame 49, select the object, and
- invoke Alignment Bar from the Object menu. This will create a new
- Alignment bar ending at frame 49, using the current object alignment.
- Then go to the Action editor and change this bar's frames to cover frame
- 50 only.
-
- ----------------------------------
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