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reworked detecting neighbour walls when placing new ones

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hopefully it will be a bit more natural now - please give feeback

before - https://imgur.com/a/VYQt5ua
now - https://imgur.com/a/5LRAmrd
This commit is contained in:
Andrej730
2023-07-02 19:58:35 +05:00
parent 6a1d1cf039
commit 6e01d5ce01
1 changed files with 29 additions and 11 deletions
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src/blenderbim/blenderbim/bim/module/model/wall.py
+29 -11
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@@ -534,6 +534,7 @@ class DumbWallGenerator:
return (point1 - point2).length < 0.1
def derive_from_cursor(self):
RAYCAST_PRECISION = 0.01
self.location = bpy.context.scene.cursor.location
if self.collection:
for sibling_obj in self.collection.objects:
@@ -541,24 +542,41 @@ class DumbWallGenerator:
continue
if "IfcWall" not in sibling_obj.name:
continue
local_location = sibling_obj.matrix_world.inverted() @ self.location
inv_obj_matrix = sibling_obj.matrix_world.inverted()
local_location = inv_obj_matrix @ self.location
try:
raycast = sibling_obj.closest_point_on_mesh(local_location, distance=0.01)
raycast = sibling_obj.closest_point_on_mesh(local_location, distance=RAYCAST_PRECISION)
except:
# If the mesh has no faces
raycast = [None]
if not raycast[0]:
continue
for face in sibling_obj.data.polygons:
if (
abs(face.normal.y) >= 0.75
and abs(mathutils.geometry.distance_point_to_plane(local_location, face.center, face.normal))
< 0.01
):
# Rotate the wall in the direction of the face normal
normal = (sibling_obj.matrix_world.to_quaternion() @ face.normal).normalized()
self.rotation = math.atan2(normal[1], normal[0])
break
normal = (sibling_obj.matrix_world.to_quaternion() @ face.normal).normalized()
face_center = sibling_obj.matrix_world @ face.center
if normal.z != 0 or abs(mathutils.geometry.distance_point_to_plane(self.location, face_center, normal)) > 0.01:
continue
rotation = math.atan2(normal[1], normal[0])
rotated_y_axis = Matrix.Rotation(-rotation, 4, "Z")[1].xyz
# since wall thickness goes by local Y+ axis
# we find best position for the next wall
# by finding the face of another wall that will be very close to the some test point.
# test point is calculated by applying to cursor position some little offset along the face
#
# a bit different offset to be safe on raycast
test_pos = self.location + rotated_y_axis * RAYCAST_PRECISION * 1.1
test_pos_local = inv_obj_matrix @ test_pos
raycast = sibling_obj.closest_point_on_mesh(test_pos_local, distance=RAYCAST_PRECISION)
if not raycast[0]:
continue
self.rotation = rotation
break
if self.rotation != 0:
break
return self.create_wall()
def create_wall(self):