CGTalk - rotation expression troubles

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bendingiscool

10-31-2007, 01:30 PM

Hi,
I'm trying to create an expression to make my instanced objects (simple disc shapes) rotate randomly as they fall. I have added a general PP attribute, but when I try this expression:

particleShape1.rotPP = rand (0,360);

I get an error saying :

Warning: Expression Editor: no particle object is selected.

This means that I can't go on to connect the rotation expression to the rotation of the disc shapes.

Any clues on what I have done wrong?

(I am following a falling leaves tutorial, but simply changed there instanced geometry to mine for a project I am working on).

Any help very much welcome, Cheers in advance.

Chris

ashishdantu

11-01-2007, 04:18 AM

hi bendingiscool,

ya this is a common issue.. when you select the particle in your viewport, maya selects the transform node right ? but when you open the AE, it displays shapenode correct ? if not, shift to shape node and then hit the select button in the Attribute editor (bottom of the AE) for the shape node and then try doing the create expression...

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11-01-2007, 04:18 AM

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