Stefan Habel

Visual Effects Software Developer
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Photo from Flickr: Wasserschloss at Holländischbrookfleet in Hamburg's Warehouse District (Speicherstadt) at Dusk

Red Rabbit (2007)

3D animated short film

Last updated: 30 December 2021

Directed by Egmont Mayer

My role: Effects TD
Software used: Houdini, Python, XSI

I simulated a collapsing wall and ceiling in Houdini, and cached, exported, and imported the transformation channels for rendering the geometry in XSI.

I wrote a Houdini Digital Asset for shattering geometry based on curves drawn in the viewport, which I later reused on Walka and ColourBleed. In order to transfer the simulation to XSI, I wrote a Python script for converting baked simulation channels from Houdini into XSI actions, which could then be applied to the exported geometry.

You can watch the final film on YouTube:

Red Rabbit on YouTube
redrabbitanimation.com
redrabbitanimation.com/redrabbit/
The bricks in the upper wall
The bricks in the upper wall (wireframe)
The bricks in the upper wall with plaster applied
The bricks in the upper wall with plaster applied that was procedurally cracked (wireframe)
The curves for shattering the wall geometry (wireframe)
The upper wall shattered using the curves (wireframe)
The passive parts for the RBD simulation
The active parts for the RBD simulation
The brick clusters for the RBD simulation
The free plaster debris for the RBD simulation
The lower part of the wall with the rabbit
The lower part of the wall