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Updating decimation & adding examples

This commit is contained in:
Remy Alcouffe 2021-09-27 14:01:01 +02:00
parent bd1ba14af7
commit 81b12ca77b
5 changed files with 19933 additions and 997 deletions
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19
decimate.py
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@ -18,15 +18,21 @@ class Decimater(obja.Model):
""" """
operations = [] operations = []
for (vertex_index, vertex) in enumerate(self.vertices):
operations.append(('ev', vertex_index, vertex + 0.25))
# Iterate through the vertex # Iterate through the vertex
for (vertex_index, vertex) in enumerate(self.vertices): for (vertex_index, vertex) in enumerate(self.vertices):
# Iterate through the faces
for (face_index, face) in enumerate(self.faces): for (face_index, face) in enumerate(self.faces):
# Delete any face that depends on this vertex # Delete any face related to this vertex
if face_index not in self.deleted_faces: if face_index not in self.deleted_faces:
self.deleted_faces.add(face_index) if vertex_index in [face.a,face.b,face.c]:
operations.append(('face', face_index, face)) self.deleted_faces.add(face_index)
# Add the instruction to operations stack
operations.append(('face', face_index, face))
# Delete the vertex # Delete the vertex
operations.append(('vertex', vertex_index, vertex)) operations.append(('vertex', vertex_index, vertex))
@ -34,13 +40,16 @@ class Decimater(obja.Model):
# To rebuild the model, run operations in reverse order # To rebuild the model, run operations in reverse order
operations.reverse() operations.reverse()
output_model = obja.Output(output) # Write the result in output file
output_model = obja.Output(output, random_color=True)
for (ty, index, value) in operations: for (ty, index, value) in operations:
if ty == "vertex": if ty == "vertex":
output_model.add_vertex(index, value) output_model.add_vertex(index, value)
elif ty == "face":
output_model.add_face(index, value)
else: else:
output_model.add_face(index, value) output_model.edit_vertex(index, value)
def main(): def main():
""" """

7471
exemple/bunny.obj Normal file
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exemple/bunny.obja Normal file
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exemple/suzanne.obja
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5
obja.py
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@ -276,7 +276,10 @@ class Output:
""" """
Changes the coordinates of a vertex. Changes the coordinates of a vertex.
""" """
print('ev {} {} {} {}'.format(self.vertex_mapping[index] + 1, vertex[0], vertex[1],vertex[2]), file = self.output) if len(self.vertex_mapping) == 0:
print('ev {} {} {} {}'.format(index, vertex[0], vertex[1],vertex[2]), file = self.output)
else:
print('ev {} {} {} {}'.format(self.vertex_mapping[index] + 1, vertex[0], vertex[1],vertex[2]), file = self.output)
def add_face(self, index, face): def add_face(self, index, face):
""" """