From the course: Houdini: Particles

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POP Drag: Age

POP Drag: Age - Houdini Tutorial

From the course: Houdini: Particles

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POP Drag: Age

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- [Narrator] So we've added our random pop drag and now we're going to add a time based pop drag So I'm gonna right click here, type pop drag and there we go. So I'll turn on Expressions again and this time our expression is going to be, let me open this up so we can definitely see it air resist multiply equals fit 01 and N age, to get our normalized age, comma zero and then comma five. Then close that out with a parenthesis and a semicolon. So what we're doing now is we're taking the drag that we had randomized and we're multiplying it over its life from zero to five. So at the beginning there'll be no drag and then as it ages it will get quite a bit of drag. So now, let's take a look at that. Now you can start to see that as these go over longer amounts of time they start to slow down and of course eventually we're gonna be adding some collision in so we'll be able to see the results of this a little bit better, not everything's gonna be falling down but what we're doing is we're…

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