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build meshes properly (props to blender for bad documentation! <3)

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This commit is contained in:
Laura Klünder 2018-12-05 19:52:44 +01:00
parent 5b4ee0b4d0
commit b2e6443200
1 changed files with 7 additions and 12 deletions
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19
src/c3nav/mapdata/render/engines/blender.py
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@ -121,7 +121,7 @@ class BlenderEngine(Base3DEngine):
mesh = bpy.data.meshes.new(name=name)
mesh.from_pydata(
tuple((x, y, minz) for x, y in coords),
tuple(zip(indices, indices[1:]+(0, ))),
(),
(indices, ),
)
@ -150,7 +150,7 @@ class BlenderEngine(Base3DEngine):
mesh = bpy.data.meshes.new(name=name)
mesh.from_pydata(
coords,
tuple(zip(indices, indices[1:]+(0, ))),
(),
(indices, ),
)
@ -164,16 +164,11 @@ class BlenderEngine(Base3DEngine):
return obj
def add_mesh(name, vertices, faces):
edges = set()
for face in faces:
for edge in ((face[0], face[1]), (face[1], face[2]), (face[2], face[0])):
edges.add(tuple(sorted(edge)))
# create mesh
mesh = bpy.data.meshes.new(name=name)
mesh.from_pydata(
vertices,
tuple(edges),
(),
faces,
)
@ -187,10 +182,10 @@ class BlenderEngine(Base3DEngine):
height = abs(height)
bottom_obj = clone_object(bottom_mesh_plane)
extrude_object(bottom_obj, -height)
subtract_object(obj, bottom_obj, delete_after=False)
subtract_object(obj, bottom_obj, delete_after=True)
top_obj = clone_object(top_mesh_plane)
extrude_object(top_obj, height)
subtract_object(obj, top_obj, delete_after=False)
subtract_object(obj, top_obj, delete_after=True)
polygons_for_join = []
current_mesh_plane = None
@ -284,8 +279,8 @@ class BlenderEngine(Base3DEngine):
self._add_mesh_plane('Level %s top mesh plane' % geoms.short_label, vertices / 1000, faces)
self._add_polygon('Level %s buildings' % geoms.short_label, geoms.buildings,
last_min_z-1, current_max_z+1)
self._cut_last_poly_with_mesh_planes(last_min_z-1, current_max_z+1)
last_min_z-1000, current_max_z+1000)
self._cut_last_poly_with_mesh_planes(last_min_z-1000, current_max_z+1000)
for altitudearea in geoms.altitudeareas:
break