diff options
Diffstat (limited to 'chroma/bvh/grid.py')
| -rw-r--r-- | chroma/bvh/grid.py | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/chroma/bvh/grid.py b/chroma/bvh/grid.py index 9fcf125..0b36a2f 100644 --- a/chroma/bvh/grid.py +++ b/chroma/bvh/grid.py @@ -1,6 +1,7 @@ -from chroma.bvh.bvh import BVH +from chroma.bvh.bvh import BVH, node_area +from chroma.gpu.bvh import create_leaf_nodes -def make_recursive_grid_bvh(self, mesh, bits=11): +def make_recursive_grid_bvh(mesh, bits=11): '''Returns a binary tree BVH created using a 'recursive grid' method. This method is somewhat similar to the original Chroma BVH generator, @@ -14,6 +15,14 @@ def make_recursive_grid_bvh(self, mesh, bits=11): speed things up. ''' - pass + world_coords, leaf_nodes, morton_codes = create_leaf_nodes(mesh, bits) + # rearrange in morton order + argsort = morton_codes.argsort() + leaf_nodes = leaf_nodes[argsort] + morton_codes[argsort] + + print node_area(leaf_nodes) * world_coords.world_scale**2 + + |