Maya API (particles)

[mark_wilkins]

There are a number of array attributes on particle objects for storing per-particle information. You can make a node that connects up to these if you want to filter or alter or override their inputs from, say, the dynamics engine. Look at the Node and Attribute Reference info on the particle node type.

Also, rather than completely bypassing dynamics, consider whether you can implement what you're doing as a custom field. Fields calculate a force per particle, which the dynamics engine uses in conjunction with the particle's mass to determine its acceleration. The dynamics engine really seems to be built to prefer outside inputs to come in the form of acceleration rather than direct alterations of velocity or position, and if that's consistent with what you're doing, then having a custom field type will make the interface more consistent with the rest of Maya and give you other nice features (like attenuation) for free.

-- Mark

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