scripts, expressions, and procedures

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# 1 18-06-2004 , 10:19 PM

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What's the difference between a script, an expression, and a procedure?

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# 2 18-06-2004 , 10:35 PM

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Expressions are in procedures and procedures are in scripts? Nice avatar btw

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# 3 21-06-2004 , 09:02 AM

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no...

a procedure can be defined and used in a script. If you are familiar with other languages it's basically a function. It takes parametres (but doesnt have to) and returns a value but again doesnt have to.

A script is a bunch of procedures and other code written together to do a specific task. It can have procedures etc.

An expression is typically done on one or more "channels" in maya. E.g. pCube1.tx += 1; in the tx channel will move the cube on a frame by frame basis along the x axis.

Hope that helps a bit

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# 4 21-06-2004 , 09:20 AM

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# 5 21-06-2004 , 11:45 AM

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wow there's some really useful comments on the board today user added image

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# 6 21-06-2004 , 01:33 PM

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In some languages procedures are sub-programs which do not return a value and functions are sub-programs which do return a value. In MEL all sub-programs are called procedures. They can be local or global.

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