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AppGameKit Classic Chat / Particle system, decrease size of particle over lifetime

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Max123
8
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Joined: 22nd Mar 2016
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Posted: 26th Apr 2016 18:40
Hello,
I hope this question hasn't been asked and answered before (At least I haven't found a topic about it)
Is it possible to decrease the size (or increase it) of a particle over lifetime.
Thanks in advance.
CJB
Valued Member
20
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Joined: 10th Feb 2004
Location: Essex, UK
Posted: 26th Apr 2016 20:06
Hi Max123. Sure, you need to use AddParticlesScaleKeyFrame. You can set the particle to scale up or down at certain points throughout its lifetime.
V2 T1 (Mostly)
Phone Tap!
Uzmadesign
Max123
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Joined: 22nd Mar 2016
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Posted: 26th Apr 2016 21:04
I'm so glad you helped me out
Thanks a lot!
Just one more question related to this topic:
I used this: AddParticlesScaleKeyFrame(1, 1, 0.5) and thought that, if I understood the documentation right, each particle should become half of its previous size when it was alive for one second.
The problem is that this happens immediately and not just after 1 second has passed. Am I missing something?
IBOL
Retired Moderator
19
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Joined: 30th Mar 2004
Location: @IBOL17
Posted: 26th Apr 2016 21:10
i am so glad there is a command for this!

I would suspect that the answer to your second question is that you need to specify an "initial frame" at time zero, with scale of 100%.
Max123
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Posted: 26th Apr 2016 21:12
Thank you for the fast answer. This solved the problem
CJB
Valued Member
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Joined: 10th Feb 2004
Location: Essex, UK
Posted: 26th Apr 2016 21:18 Edited at: 26th Apr 2016 21:19
You can see an example of this in action on my Fruit Smoothie WIP:



The splats use the standard particle system
V2 T1 (Mostly)
Phone Tap!
Uzmadesign
IBOL
Retired Moderator
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Joined: 30th Mar 2004
Location: @IBOL17
Posted: 28th Apr 2016 03:24
you're welcome.
i'd just like to add that my answer was a guess... i've still never used AGK2...BUT I WILL!

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