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Compositing: Behind the scenes on Moa Added on: Tue Feb 06 2001 |
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First off I started with this background plate
The idea was to have a ball roll down the hill and crash into the rock statue knocking it to pieces like a bowling ball striking down a bowling pin (but this shatters into rocky debris). I wanted this to be a one night project, the effect was simple and I didn't see why it would take more than a few hours to make.
I worked out that I want the head primarily to be destroyed and I want some of the statue to remain in tact. So I went about painting a headless plate where the head is removed. In photoshop I created the below plate
From here I went into max and matted out the scene and created the basic geometry of the statues and positioned the camera and lights. Once I was happy with all of it I applied the matte materials to the geometry and screen mapping to the statues. I then set up the background and then went into photoshop and created a head mask shown below.
 What I did here is I created a material that basically made it so that the statue's head has the original texture from the plate on it unless it leaves the mesh, so if the statue blows up it changes to my debris texture since if I just applied normal screen mapping to the head when the debris left the original location it may take on a cloud or grass texture depending on it's position in the map.
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