random_spheres.py

random_spheres.py

create random spheres in retopo room, then remove one of groups, collapse edges randomly

1# create random spheres in retopo room, then remove one of groups, collapse edges randomly

2from coat import *

3import random

4

5# switch to retopo room

6ui.toRoom("Retopo")

7

8# refer the mesh in retopo room, we will change the mesh in retopo room

9mesh = Model.fromRetopo()

10# clear the mesh

11mesh.clear()

12# create the sphere mesh

13sphere = Mesh.sphere(radius = 10)

14

15#place 10 spheres randomply

16for i in range(0, 10):

17 #set name for the retopo group, if we don't set the name, all objects will be in the same group

18 sphere.setObjectName(0, "sphere" + str(i))

19 #insert the sphere mesh into retopo room, and randomply place it

20 mesh.addTransformed(sphere, mat4.Translation(vec3.RandNormal()*150))

21

22

23

24#remove random group, just for understanding how it works

25mesh.removeObject(4)

26

27#collapse random edges, we do this to explain the access to the mesh

28n = mesh.facesCount()

29for i in range(0, int(n/8)):

30 f = int(random.random() * mesh.facesCount())

31 verts = mesh.getFaceVerts(f)

32 print("verts: " + str(verts))

33 if len(verts) > 0:

34 mesh.collapseEdge(verts[0], verts[2])

35

36# create the cube to demonstrate that you may replace the mesh in one of retopo groups

37cube = Mesh.box(size = vec3(20, 20, 20),nx = 8, ny = 8, nz = 8)

38# we set cube instead of one of spheres

39mesh.setObjectMesh(2, cube)

40mesh.setObjectName(2, "cube")

     # create random spheres in retopo room, then remove one of groups, collapse edges randomly
     from coat import *
     import random

     # switch to retopo room
     ui.toRoom("Retopo")

     # refer the mesh in retopo room, we will change the mesh in retopo room
     mesh = Model.fromRetopo()
     # clear the mesh
     mesh.clear()
     # create the sphere mesh
     sphere = Mesh.sphere(radius = 10)

     #place 10 spheres randomply
     for i in range(0, 10):
             #set name for the retopo group, if we don't set the name, all objects will be in the same group
             sphere.setObjectName(0, "sphere" + str(i))
             #insert the sphere mesh into retopo room, and randomply place it
             mesh.addTransformed(sphere, mat4.Translation(vec3.RandNormal()*150))



     #remove random group, just for understanding how it works
     mesh.removeObject(4)

     #collapse random edges, we do this to explain the access to the mesh
     n = mesh.facesCount()
     for i in range(0, int(n/8)):
             f = int(random.random() * mesh.facesCount())
             verts = mesh.getFaceVerts(f)
             print("verts: " + str(verts))
             if len(verts) > 0:
                     mesh.collapseEdge(verts[0], verts[2])

     # create the cube to demonstrate that you may replace the mesh in one of retopo groups
     cube = Mesh.box(size = vec3(20, 20, 20),nx = 8, ny = 8, nz = 8)
     # we set cube instead of one of spheres
     mesh.setObjectMesh(2, cube)
     mesh.setObjectName(2, "cube")