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Using spline animations By Ko Maruyama
If you really want liquid simulation, you'll need more muscle power than the standard geometry and simple spline manipulation, but this week, I'll offer another method which might provide you with an alternative solution.

If you want something really dynamic - some liquid simulation that acts and makes other rigid geometry react to the simulation, you'll probably need something like nextlimit's REALFLOW application.  Without steering too far off course, Realflow is a liquid simulation that does have the ability to send its calculations back to CINEMA 4D.

If you want to learn more about the software, or have a job that requires a more accurate liquid simulation, you should contact Mark Stasiuk over at FusionCIS (http://www.fusioncis.com), or find him over in the DMNFORUMs for NextLimit software. (http://www.dmnforums.com/cgi-bin/displaywwugindex.fcgi?forum=realflow)

Here is an example of a simple fluid dynamic setup in RealFlow.

If you need something a little more simple, you can fall back on your traditional animation skills to cheat the scene through standard keyframe procedures.

In order to make this drip animation for a recent project, a quick solution was made in CINEMA 4D.

The drip chamber portion of the i.v. apparatus was made with simple lathe and primitive objects.  The drip itself is made with a lathe object as well.  Here's how to create the scene:

1.  Create the drip chamber.  Using a simple spline shape, create a profile of the drip chamber that starts a small distance from the Y axis.  (Don't worry, you can always modify these points easily later).

1A. Optionally, you can create a simple texture to make a transparent material for the chamber.

2. Create the TOP DRIP.  This drip is really just a simple profile of a liquid drip.  If you lathe the spline, you can see what your drip shape will look like.  If the bottom of the drip is too far from center, you can modify it by navigating to the STRUCTURE manager and changing the value of the point's position.

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Related Keywords:cinema 4d, maxon, realflow, liquid, tutorial, ko maruyama


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