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http://www.prinmath.com/csci5229/OBJ/index.html
The result of this tutorial has been rendered with RealFlow's implementation of Maxwell Render.
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- Selected node > Node Params > Node > Dynamics
The Soft Body Parameters
For each bunny different settings are used. The associated parameters can be found under
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The relevant parameters for a highly deformable behaviour are “Length stiffness” and “Volume stiffness”. The higher their values, the more rigid the objects become:
Enter random values between 0.1 and 0.7 for both parameters and every bunny.
Change “@ elasticity” to values between 0.5 and 0.7.
The “@ mass” “Mass” value depends on the size of the imported nodes. If the value is too small, increase it to something between 500 and 800.
Repeat the previous steps for all bunnies in your scene.
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These settings are made in the “Simulation Options” dialogue: Click on the small triangle next to the “Simulate” button and choose “Options...” from the menu. This panel is the place where you adjust RealFlow's accuracy. This is done with the help of so-called substeps. The more substeps, the better the simulation turns out, but at the cost of longer simulation times.
When you work with very high FPS rates you can normally decrease the number of substeps. As a side effect, the simulation performs much faster and it is very tempting to work with the lowest possible value. But, with high FPS settings, and fast moving objects/particles you might observe a rugged motion with visible steps. To avoid this, it is necessary to increase the number of substeps to get a smooth motion.
First, change the FPS rate for this project under General > FPS output to 400.
Go to the “Caronte” page.
Drag the “Quality” slider” to 20.
Extend the simulation to 400 frames (see below).
Simulate
Create a a → preview with Playback > OpenGL Preview.
After the images have been assembled, RealFlow's “Movie Player” appears. Stop the movie and enter 25 under “FPS”. Hit “Play” again.
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Between the timeline and the “Simulation” button you can find two input fields. The first one determines the last playback frame; the second one (orange) shows the last simulation frame. To change it, simply enter decrease or increase the value.:
