I thought to select some part of faces by using between Min and Max value.
It's very easy, but surely one of methods.
And I wrote some codes, the result is this.
<CODE>
# First import bpy to get access to well... everything in blender
import bpy
import math, mathutils, random
# transStep ---------------------------------------->
def transStep(dA, sA, srA, rA, dR, sR, rR, axis_x, axis_y, axis_z):
bpy.ops.transform.shrink_fatten(value=-dA+(dR*random.uniform(-0.5, 0.5)), mirror=False, proportional='DISABLED', proportional_edit_falloff='SMOOTH', proportional_size=1, snap=False, snap_target='CLOSEST', snap_point=(0, 0, 0), snap_align=False, snap_normal=(0, 0, 0), release_confirm=False)
bpy.ops.transform.resize(value=(sA+(sR*random.uniform(-0.5, 0.5)), (sA+(sR*random.uniform(-0.5, 0.5)))*srA, sA+(sR*random.uniform(-0.5, 0.5))), constraint_axis=(False, False, False), constraint_orientation='GLOBAL', mirror=False, proportional='DISABLED', proportional_edit_falloff='SMOOTH', proportional_size=0.0762767, snap=False, snap_target='CLOSEST', snap_point=(0, 0, 0), snap_align=False, snap_normal=(0, 0, 0), texture_space=False, release_confirm=False)
# Get the mesh
me = ob.data
# Loop through the faces to find the center
for f in me.faces:
if f.select == True:
center = f.center
if center[0] > 0.0:
rotDir = 1.0
else:
rotDir = -1.0
bpy.ops.transform.rotate(value=(rA*rotDir+(rR*random.uniform(-0.5, 0.5)),), axis=(axis_x, axis_y, axis_z), constraint_axis=(False, False, False), constraint_orientation='GLOBAL', mirror=False, proportional='DISABLED', proportional_edit_falloff='SMOOTH', proportional_size=0.0762767, snap=False, snap_target='CLOSEST', snap_point=(0, 0, 0), snap_align=False, snap_normal=(0, 0, 0), release_confirm=False)
# transformFaces! ------------------------------------------------------->
def transformFaces(vGroup, step, distArray, distRandom, scaleArray, scaleRatioArray, scaleRandom, rotArray, rotRandom, axis):
# Make sure nothing is selected
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.select_all(action='DESELECT')
# Select the vertex group
selPart(vGroup)
# Go into object mode so that we are sure we have the current list of faces
bpy.ops.object.mode_set(mode='OBJECT')
# Make a nice list to keep the vertex groups in
groupList = []
# Now loop through all the faces
for i, f in enumerate(ob.data.faces):
# If this face is selected~
if ob.data.faces[i].select == True:
# Create a new vertex group!
newGroup = ob.vertex_groups.new('mygroup')
groupList.append(newGroup)
# Get all the vertices in the current face and add them to the new group
for v in f.vertices:
newGroup.add([v], 1.0, 'REPLACE')
# Now we loop through the groups and do what we want.
for g in groupList:
# Make sure nothing is selected
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.select_all(action='DESELECT')
# Make the group in our list the active one
ob.vertex_groups.active_index = g.index
# Select all the verts in the active group
bpy.ops.object.vertex_group_select()
bpy.ops.object.vertex_group_remove(all=False)
# AND NOW WE CAN DO OUR STUFF... little test example follows
# Shape
for i in range(step):
bpy.ops.mesh.extrude(type='REGION')
# An added trick... remove the extruded face from all vertex groups after the first extrusion (i == 0)
# This way it can't get extruded again
# Because the edge of the first face can be part of multiple groups
if not i:
bpy.ops.object.vertex_group_remove_from(all=True)
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.mode_set(mode='EDIT')
dA = distArray[i]
sA = scaleArray[i]
srA = scaleRatioArray[i]
rA = rotArray[i]
dR = distRandom
sR = scaleRandom
rR = rotRandom
axis_x = axis[0]
axis_y = axis[1]
axis_z = axis[2]
transStep(dA, sA, srA, rA, dR, sR, rR, axis_x, axis_y, axis_z)
#bpy.ops.object.vertex_group_set_active(group='legTop')
#bpy.ops.object.vertex_group_assign(new=False)
# transformFaces!(END) --------------------------------------------------<
# transformRegion! ---------------------------------------------------->
def transformRegion(vGroup, step, distArray, distRandom, scaleArray, scaleRatioArray, scaleRandom, rotArray, rotRandom, axis):
# Make sure nothing is selected
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.select_all(action='DESELECT')
selPart(vGroup)
# Loop through all the areas
for area in areas:
# See if the current area is a 3D view
if area.type == 'VIEW_3D':
# Set the pivot point to individual origins
area.active_space.pivot_point = 'BOUNDING_BOX_CENTER'
# Shape
for i in range(step):
bpy.ops.mesh.extrude(type='REGION')
# An added trick... remove the extruded face from all vertex groups after the first extrusion (i == 0)
# This way it can't get extruded again
# Because the edge of the first face can be part of multiple groups
if not i:
bpy.ops.object.vertex_group_remove_from(all=True)
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.mode_set(mode='EDIT')
dA = distArray[i]
sA = scaleArray[i]
srA = scaleRatioArray[i]
rA = rotArray[i]
dR = distRandom
sR = scaleRandom
rR = rotRandom
axis_x = axis[0]
axis_y = axis[1]
axis_z = axis[2]
transStep(dA, sA, srA, rA, dR, sR, rR, axis_x, axis_y, axis_z)
bpy.ops.mesh.select_all(action='DESELECT')
# transformRegion(END) ----------------------------------------------------<
# bellyMaker ------------------------------------------------------>
def bellyMaker(vGroup, step, distArray, distRandom, scaleArray, scaleRatioArray, scaleRandom, rotArray, rotRandom, axisArray, ):
newGroup = ob.vertex_groups.new(vGroup)
bpy.ops.object.mode_set(mode='OBJECT')
# Lets loop through all the faces in the mesh
for f in ob.data.faces:
# See if the current face's centre is above 0.0 on the Z axis
if f.center[1] > 0.1:
# Set select to true
f.select = True
else:
f.select = False
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.object.vertex_group_set_active(group=vGroup)
bpy.ops.object.vertex_group_assign(new=False)
transformFaces(vGroup, step, distArray, distRandom, scaleArray, scaleRatioArray, scaleRandom, rotArray, rotRandom, axisArray)
bpy.ops.object.vertex_group_remove(all=False)
# bellyMaker(END) -------------------------------------------------<
# headMaker ------------------------------------------------------>
def headMaker(vGroup, step, distArray, distRandom, scaleArray, scaleRatioArray, scaleRandom, rotArray, rotRandom, axisArray, ):
newGroup = ob.vertex_groups.new(vGroup)
bpy.ops.object.mode_set(mode='OBJECT')
# Lets loop through all the faces in the mesh
for f in ob.data.faces:
# See if the current face's centre is above 0.0 on the Z axis
if f.center[1] < -0.1:
# Set select to true
f.select = True
else:
f.select = False
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.object.vertex_group_set_active(group=vGroup)
bpy.ops.object.vertex_group_assign(new=False)
transformFaces(vGroup, step, distArray, distRandom, scaleArray, scaleRatioArray, scaleRandom, rotArray, rotRandom, axisArray)
bpy.ops.object.vertex_group_remove(all=False)
newGroup = ob.vertex_groups.new('mouth')
bpy.ops.object.vertex_group_set_active(group='mouth')
bpy.ops.object.vertex_group_assign(new=False)
# headMaker(END) -------------------------------------------------<
# select faces from Groups
def selPart(vGroup):
bpy.ops.object.vertex_group_set_active(group=vGroup)
bpy.ops.object.vertex_group_select()
# cell subdivide --------------------------------------------->
def cellSubdiv():
bpy.ops.object.modifier_add(type='SUBSURF')
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.modifier_apply(apply_as='DATA', modifier="Subsurf")
# assignFaces
def assignFaces(vGroup, xMin, xMax, yMin, yMax, zMin, zMax):
newGroup = ob.vertex_groups.new(vGroup)
bpy.ops.object.mode_set(mode='OBJECT')
for f in ob.data.faces:
# See if the current face's centre is above 0.0 on the Z axis
if f.center[0] > xMin and f.center[0] < xMax:
if f.center[1] > yMin and f.center[1] < yMax:
if f.center[2] > zMin and f.center[2] < zMax:
# Set select to true
f.select = True
else:
f.select = False
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.object.vertex_group_set_active(group=vGroup)
bpy.ops.object.vertex_group_assign(new=False)
bpy.ops.mesh.select_all(action='DESELECT')
# -- Set Up(START) ------------------------------------------>
# Now we want to get the active object
# To do this we go through bpy.context... because that is basicly "what you are working on right now"
# bpy.data could work too, but then you'd need to do more work to find your current active object
ob = bpy.context.active_object
# A new trick... lets go into edit mode and deselect everything ('SELECT' works too)
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.select_all(action='DESELECT')
# Get the screen areas we are working in right now
areas = bpy.context.screen.areas
# Loop through all the areas
for area in areas:
# See if the current area is a 3D view
if area.type == 'VIEW_3D':
# Set the pivot point to individual origins
area.active_space.pivot_point = 'INDIVIDUAL_ORIGINS'
# -- Set Up(END) ------------------------------------------<
# Generate Object
# body and head
bellyMaker('belly', 5, [0.4, 0.2, 3, 2, 0.5], 0.0, [0.3, 1.0, 5, 0.1, 1.0], [1.0, 1.0, 1.0, 1.0, 1.0], 0.0, [-0.2, -0.2, -0.2, -0.2, 0.0], 0.0, [-1, -2.22045e-16, -0])
headMaker('head', 4, [0.4, 0.4, 0.6, 0.8], 0.0, [0.4, 1.2, 2.0, 0.5], [1.0, 1.0, 1.0, 1.0], 0.0, [-0.2, -0.2, 0.4, 0.2], 0.0, [-1, -2.22045e-16, -0])
# mouth
transformRegion('mouth', 4, [0.3, 0.6, 0, -0.3], 0.0, [0.6, 0.4, 0.8, 1.0], [1.0, 1.0, 1.0, 1.0], 0.0, [0.7, -0.5, 0.0, 0.0], 0.0, [-1, -2.22045e-16, -0])
cellSubdiv()
# select parts basement faces
assignFaces('leg', -1.0, 1.0, -2.0, 2.0, -2.0, -0.5)
assignFaces('eye_1', -2.0, 2.0, -3.2, -2.0, 0.5, 1.5)
assignFaces('spine', -2.0, 2.0, 1.5, 6.0, 0.0, 3.0)
assignFaces('arm', -2.0, 2.0, -1.2, 1.2, 0.0, 3.0)
# transformFaces(vGroup, step, distArray, distRandom, scaleArray, scaleRatioArray, scaleRandom, rotArray, rotRandom, axisArray)
transformFaces('spine', 3, [0.05, 0.1, 0.15], 0.0, [0.5, 0.5, 0.5], [1.5, 1.0, 1.0], 0.0, [0.0, 0.0, 0.0], 0.0, [-0, 1, -3.42285e-08])
transformFaces('arm', 5, [0.1, 0.4, 0.4, 0.4, 0.3], 0.0, [0.3, 1.8, 1.1, 0.5, 0.1], [1.0, 1.0, 1.0, 1.0, 1.0], 0.0, [0.0, -0.3, 0.3, 0.3, -0.3], 0.0, [-0, 1, -3.42285e-08])
transformFaces('eye_1', 5, [0.06, 0.015, 0.0, 0.05, 0.01], 0.0, [0.7, 0.8, 0.95, 0.7, 0.2], [1.1, 1.1, 1.1, 1.1, 1.1], 0.0, [0.0, 0.0, 0.0, 0.0, 0.0], 0.0, [-0, 1, -3.42285e-08])
#transformFaces('eye_2', 7, [0.06, 0.015, 0.0, 0.2, 0.05, 0.0, -0.1], 0.0, [1.0, 0.8, 0.95, 0.5, 0.3, 0.8, 1.0], [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0], 0.0, [0.0, 0.0, -0.2, 0.0, 0.0, 0.0, 0.0, 0.0], 0.0, [-0, 1, -3.42285e-08])
transformFaces('leg', 6, [0.1, 0.7, 0.02, 0.02, 1.0, 0.1], 0.0, [0.3, 1.6, 0.8, 1.2, 0.4, 0.1], [1.0, 1.0, 1.0, 1.0, 1.0, 1.0], 0.0, [-0.3, -0.8, 0.0, 0.0, 1.0, 0.0], 0.0, [-0, 1, -3.42285e-08])
# transformRegion(vGroup, step, distArray, distRandom, scaleArray, scaleRatioArray, scaleRandom, rotArray, rotRandom, axisArray)
</CODE>