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Lazy BVH tree construction in SnapObj

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Bruno Perdigão
2026-06-01 09:53:54 -03:00
parent 1c128a2d6a
commit 0d7c378db5
1 changed files with 11 additions and 3 deletions
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src/bonsai/bonsai/tool/raycast.py
+11 -3
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@@ -377,6 +377,7 @@ class Raycast(bonsai.core.tool.Raycast):
view3d_utils.location_3d_to_region_2d(region, rv3d, v) for v in snap_obj.verts_3d
] # Numpy version is worst in performance
snap_obj._ensure_bvh()
intersected = snap_obj.raycast_boxes(
context, event, snap_obj.root, intersected=[], rays=(ray_origin, ray_direction)
)
@@ -936,12 +937,19 @@ class SnapObj:
def __init__(self, obj: bpy.types.Object):
self.__class__.all.append(self)
self.obj = obj
self.root = self._create_root_node()
self.root.edges = [e.index for e in obj.data.edges]
self.split_box(self.root, 0)
self.root = None
self._bvh_built = False
self.verts_3d = [obj.matrix_world @ v.co for v in obj.data.vertices]
self.snap_points = []
def _ensure_bvh(self):
if self._bvh_built:
return
self.root = self._create_root_node()
self.root.edges = [e.index for e in self.obj.data.edges]
self.split_box(self.root, 0)
self._bvh_built = True
def __clear_all__():
for instance in SnapObj.all:
del instance