particle fading

Date : Fri, 27 Jan 2006 16:44:56 -0000
To : <XSI(at)Softimage.COM>
From : "Adrian Wyer" <adrian(at)the-mill.com>
Subject : particle fading
we have a scene with a particle system that starts spewing particles at frame 200
the particle op has a time offset of 200 frames so as not to calculate anything before frame 200


the particle alpha is keyed at
frame 1 = 0
frame 10 = 0.5
frame 100 = 0

so the particles should smoothly fade up, then smoothly fade out
the animation reference is set to age%

what happens is the particles are working just fine, until frame 750, at which point they all fade out as one!

then they all fade back up and carry on behaving as intended

this is not desired behaviour, and i would like to not have to work all night to fix it!

any ideas?

a

adrian wyer
head of 3d
milltv
adrian(at)the-mill.com
www.the-mill.com
t: +44 (0)20 7287 4041
f: +44 (0)20 7915 0551


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