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| author | Stan Seibert <stan@mtrr.org> | 2012-01-19 14:55:31 -0500 |
|---|---|---|
| committer | tlatorre <tlatorre@uchicago.edu> | 2021-05-09 08:42:38 -0700 |
| commit | 55921fc3012c547004f82b8a18d856bfa56a108e (patch) | |
| tree | 10c52158786deb9d2b76c69c69f29814763badec /chroma | |
| parent | 14309ab8618a80c7f67c7d80d43bbb4779f0bb2f (diff) | |
| download | chroma-55921fc3012c547004f82b8a18d856bfa56a108e.tar.gz chroma-55921fc3012c547004f82b8a18d856bfa56a108e.tar.bz2 chroma-55921fc3012c547004f82b8a18d856bfa56a108e.zip | |
Simple BVH construction passing the "smoke test"
Diffstat (limited to 'chroma')
| -rw-r--r-- | chroma/bvh/simple.py | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/chroma/bvh/simple.py b/chroma/bvh/simple.py index 6c0e02b..6ce45e7 100644 --- a/chroma/bvh/simple.py +++ b/chroma/bvh/simple.py @@ -7,9 +7,10 @@ def make_simple_bvh(mesh, degree): world_coords, leaf_nodes, morton_codes = \ create_leaf_nodes(mesh, round_to_multiple=degree) - # rearrange in morton order + # rearrange in morton order. NOTE: morton_codes can be shorter than + # leaf_nodes if dummy padding nodes were added at the end! argsort = morton_codes.argsort() - leaf_nodes = leaf_nodes[argsort] + leaf_nodes[:len(argsort)] = leaf_nodes[argsort] assert len(leaf_nodes) % degree == 0 # Create parent layers @@ -23,9 +24,7 @@ def make_simple_bvh(mesh, degree): # How many nodes total? nodes, layer_bounds = concatenate_layers(layers) - for i, (layer_start, layer_end) in enumerate(zip(layer_bounds[:-1], - layer_bounds[1:])): - print i, node_area(nodes[layer_start:layer_end]) * world_coords.world_scale**2 - + return BVH(degree, world_coords, nodes, layer_bounds[:-1]) + |