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This script re-aims and re-configures the current shot so that the camera follows (exactly watches) a specific mesh(es) that you pre-select before running this script. This
is part of the workflow that allows renders from other 3D applications to be smoothly integrated with 360VR shots, even if those apps do not have 360 VR capabilities.
The script offers control over the aspect ratio of the image produced: it can either be chosen automatically (recommended) or you can choose a specific value. You can choose whether to use a worst-case (widest) camera field of view, or to have the generated camera field of view exactly track the size of the mesh as it approaches and/or recedes. You also control the amount of margin around the mesh. It's good to have some safe area, and also a more substantial margin is convenient when evaluating your tracking.
While you can select multiple meshes, they should be close together. If they are spread apart, separate renders area likely a better idea. (And it's likely to not work at all if meshes on opposite sides of the camera are involved!)
Note that the time required for Follow Mesh depends on the complexity of the mesh(es) being followed. So don't select meshes that don't matter to determining the area to be rendered, such as interior meshes. If you need to, you can replace the mesh with a lower-resolution proxy for this operation—even a simple bounding box.
©2024 Boris FX, Inc. — UNOFFICIAL — Converted from original PDF.