def drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length):
if (iteration < branches):
iteration = iteration + 1
#Draw circle and extrude based on parameters
shape = circle(nr=(nrX, nrY, nrZ), c=(cX, cY, cZ), r=radius)
extrude(shape, et=0, d=(nrX, nrY, nrZ), l=length)
#Delete the base circle, keep the cylinder
delete(shape)
#Define direction vector and normalize
vector = MVector(nrX, nrY, nrZ)
vector.normalize()
cX = cX + (length * vector.x)
cY = cY + (length * vector.y)
cZ = cZ + (length * vector.z)
randX = r.randint(0, 1) * 2 - 1
randY = r.randint(0, 1) * 2 - 1
randZ = r.randint(0, 1) * 2 - 1
#Random direction vector
#For X, Y, Z, ( -1 or 1 )*angle + (randint from -angleVariance to +angleVariance)
nrX = nrX + ((angle * randX) + r.randint(0, angleVariance * 2) -
angleVariance) / 100.0
nrY = nrY + ((angle * randY) + r.randint(0, angleVariance * 2) -
angleVariance) / 100.0
nrZ = nrZ + ((angle * randZ) + r.randint(0, angleVariance * 2) -
angleVariance) / 100.0
#Length and Radius based on factor + (randint from -variance to +variance)
length = length * (lengthFactor +
(r.randint(0, lengthVariance * 2 * 100) / 100.0) -
lengthVariance)
radius = radius * (radiusFactor +
(r.randint(0, radiusVariance * 2 * 100) / 100.0) -
radiusVariance)
#Draw first branch
drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length)
#Use opposite base angle from previous branch
nrX = nrX + ((angle * randX * -1) + r.randint(0, angleVariance * 2) -
angleVariance) / 100.0
nrY = nrY + ((angle * randY * -1) + r.randint(0, angleVariance * 2) -
angleVariance) / 100.0
nrZ = nrZ + ((angle * randZ * -1) + r.randint(0, angleVariance * 2) -
angleVariance) / 100.0
length = length * (lengthFactor +
(r.randint(0, lengthVariance * 2 * 100) / 100.0) -
lengthVariance)
radius = radius * (radiusFactor +
(r.randint(0, radiusVariance * 2 * 100) / 100.0) -
radiusVariance)
#Draw second branch
drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length)
def look_at(source, target, up_vector=(0, 1, 0), as_vector=True):
"""
allows the transform object to look at another target vector object.
:return: <tuple> rotational vector.
"""
source_world = transform_utils.Transform(source).world_matrix_list()
target_world = transform_utils.Transform(target).world_matrix_list()
source_parent_name = object_utils.get_parent_name(source)[0]
if source_parent_name == 'world':
source_parent_name = None
else:
parent_world = transform_utils.Transform(source_parent_name).world_matrix_list()
# build normalized vector from the translations from matrix data
z = MVector(target_world[12] - source_world[12],
target_world[13] - source_world[13],
target_world[14] - source_world[14])
z *= -1
z.normalize()
# get normalized cross product of the z against the up vector at origin
# x = z ^ MVector(-up_vector[0], -up_vector[1], -up_vector[2])
x = z ^ MVector(up_vector[0], up_vector[1], up_vector[2])
x.normalize()
# get the normalized y vector
y = x ^ z
y.normalize()
# build the aim matrix
local_matrix_list = (
x.x, x.y, x.z, 0,
y.x, y.y, y.z, 0,
z.x, z.y, z.z, 0,
0, 0, 0, 1.0)
matrix = object_utils.ScriptUtil(local_matrix_list, matrix_from_list=True).matrix
if source_parent_name:
# transform the matrix in the local space of the parent object
parent_matrix = object_utils.ScriptUtil(parent_world, matrix_from_list=True)
matrix *= parent_matrix.matrix.inverse()
# retrieve the desired rotation for "source" to aim at "target", in degrees
if as_vector:
rotation = MTransformationMatrix(matrix).eulerRotation() * RADIANS_2_DEGREES
vector = rotation.asVector()
return vector.x, vector.y, vector.z,
else:
return local_matrix_list
def drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length): if(iteration < branches): iteration = iteration + 1 #Draw circle and extrude based on parameters shape = circle( nr=(nrX, nrY, nrZ), c=(cX, cY, cZ), r=radius) extrude (shape, et=0, d= (nrX, nrY, nrZ), l= length) #Delete the base circle, keep the cylinder delete(shape) #Define direction vector and normalize vector = MVector(nrX, nrY, nrZ) vector.normalize() cX = cX + (length*vector.x) cY = cY + (length*vector.y) cZ = cZ + (length*vector.z) randX = r.randint(0, 1)*2 -1 randY = r.randint(0, 1)*2 -1 randZ = r.randint(0, 1)*2 -1 #Random direction vector #For X, Y, Z, ( -1 or 1 )*angle + (randint from -angleVariance to +angleVariance) nrX = nrX + ((angle*randX) + r.randint(0, angleVariance*2) - angleVariance)/100.0 nrY = nrY + ((angle*randY) + r.randint(0, angleVariance*2) - angleVariance)/100.0 nrZ = nrZ + ((angle*randZ) + r.randint(0, angleVariance*2) - angleVariance)/100.0 #Length and Radius based on factor + (randint from -variance to +variance) length = length * (lengthFactor + (r.randint(0, lengthVariance*2*100)/100.0) - lengthVariance) radius = radius * (radiusFactor + (r.randint(0, radiusVariance*2*100)/100.0) - radiusVariance) #Draw first branch drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length) #Use opposite base angle from previous branch nrX = nrX + ((angle*randX*-1) + r.randint(0, angleVariance*2) - angleVariance)/100.0 nrY = nrY + ((angle*randY*-1) + r.randint(0, angleVariance*2) - angleVariance)/100.0 nrZ = nrZ + ((angle*randZ*-1) + r.randint(0, angleVariance*2) - angleVariance)/100.0 length = length * (lengthFactor + (r.randint(0, lengthVariance*2*100)/100.0) - lengthVariance) radius = radius * (radiusFactor + (r.randint(0, radiusVariance*2*100)/100.0) - radiusVariance) #Draw second branch drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length)
def drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length,old_circle,ShereBool):
if(iteration < branches):
iteration = iteration + 1
print("iteration= "+str(iteration))
#Draw circle and extrude based on parameters
R=radius*math.fabs(math.sin(iteration))
R=radius+iteration-math.fabs(iteration)
R=10-iteration
circle( nr=(nrX, nrY, nrZ), c=(cX, cY, cZ), r=radius)
shape = cmds.ls(sl=True)[0]
circleReffArr.append(shape)
cmds.select( clear=True )
cmds.select( old_circle, add=True )
cmds.select( shape, add=True )
cmds.loft( c=0, ch=1, d=3, ss=1, rsn=True, ar=1, u=1, rn=0, po=0)
extrudedSurface = cmds.ls(sl=True)[0]
print("nrX= "+str(nrX)+" nrY= "+str(nrY)+" nrZ= "+str(nrZ))
if(0==True):
cmds.polySphere(createUVs=2, sy=20, ch=1, sx=20, r=radius*10)
SpherePoly = cmds.ls(sl=True)[0]
cmds.move( cX, cY, cZ, SpherePoly, absolute=True )
#extrudedSurface=extrude (shape, et=0, d= (nrX, nrY, nrZ), l= length)
#extrudedSurface=extrude (shape, extrudeType=0, d= (nrX, nrY, nrZ), l= length,polygon=1)
#extrudedSurface=extrude (shape, extrudeType=0, d= (nrX, nrY, nrZ), l= length)
cmds.nurbsToPoly(extrudedSurface, uss=1, ch=1, ft=0.01, d=0.1, pt=0, f=0, mrt=0, mel=0.001, ntr=0, vn=3, pc=1000, chr=0.9, un=3, vt=1, ut=1, ucr=0, cht=0.01, mnd=1, es=0, uch=0)
delete(extrudedSurface)
#print("extrudedSurface= "+str(extrudedSurface))
extrudedPoly = cmds.ls(sl=True)[0]
print("extrudedPoly= "+str(extrudedPoly))
cmds.polyCloseBorder(extrudedPoly, ch=1)# Close Holl
hollface = cmds.ls(sl=True)[0]
print("hollface= "+str(hollface))
cmds.polyTriangulate(hollface, ch=1)
cmds.select(extrudedPoly)
#cmds.polyClean(extrudedPoly)
#cmds.eval('polyCleanupArgList 4 { "0","1","1","1","1","1","1","1","0","1e-05","0","1e-05","0","1e-05","0","1","1","0" };')
#Delete the base circle, keep the cylinder
#delete(shape)
#Define direction vector and normalize
vector = MVector(nrX, nrY, nrZ)
vector.normalize()
cX = cX + (length*vector.x)
cY = cY + (length*vector.y)
cZ = cZ + (length*vector.z)
randX = random.randint(0, 1)*2 -1
randY = random.randint(0, 1)*2 -1
randZ = random.randint(0, 1)*2 -1
#Random direction vector
#For X, Y, Z, ( -1 or 1 )*angle + (randint from -angleVariance to +angleVariance)
nrX = nrX + ((angle*randX) + random.randint(0, angleVariance*2) - angleVariance)/100.0
nrY = nrY + ((angle*randY) + random.randint(0, angleVariance*2) - angleVariance)/100.0
nrZ = nrZ + ((angle*randZ) + random.randint(0, angleVariance*2) - angleVariance)/100.0
#Length and Radius based on factor + (randint from -variance to +variance)
length = length * (lengthFactor + (random.randint(0, lengthVariance*2*100)/100.0) - lengthVariance)
radius = radius * (radiusFactor + (random.randint(0, radiusVariance*2*100)/100.0) - radiusVariance)
#Draw first branch
drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length,shape,False)
#drawBranch(iteration, cX, cY, cZ, 0, 1, 0, radius, length,shape,False)
#--------------------
#Use opposite base angle from previous branch
nrX = nrX + ((angle*randX*-1) + random.randint(0, angleVariance*2) - angleVariance)/100.0
nrY = nrY + ((angle*randY*-1) + random.randint(0, angleVariance*2) - angleVariance)/100.0
nrZ = nrZ + ((angle*randZ*-1) + random.randint(0, angleVariance*2) - angleVariance)/100.0
length = length * (lengthFactor + (random.randint(0, lengthVariance*2*100)/100.0) - lengthVariance)
radius = radius * (radiusFactor + (random.randint(0, radiusVariance*2*100)/100.0) - radiusVariance)
#Draw second branch
drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length,shape,True)
def drawBranch(self, iteration, cX, cY, cZ, nrX, nrY, nrZ, radius, length):
if (iteration < self.branches):
iteration = iteration + 1
#Draw circle and extrude based on parameters
shape = mc.circle(nr=(nrX, nrY, nrZ), c=(cX, cY, cZ), r=radius)
poly = mc.extrude(shape, et=0, d=(nrX, nrY, nrZ), l=length)
mc.group(poly, parent=self.grp)
#Delete the base circle and keep the cylinder
mc.delete(shape)
#direction vector to grow
vector = MVector(nrX, nrY, nrZ)
vector.normalize()
cX = cX + (length * vector.x)
cY = cY + (length * vector.y)
cZ = cZ + (length * vector.z)
randX = r.randint(0, 1) * 2 - 1
randY = r.randint(0, 1) * 2 - 1
randZ = r.randint(0, 1) * 2 - 1
#Random direction vector
#For X, Y, Z, ( -1 or 1 )*angle + (randint from -angleVariance to +angleVariance)
nrX = nrX + ((self.angle * randX) + random.randint(
0, self.angleVariance * 2) - self.angleVariance) / 100.0
nrY = nrY + ((self.angle * randY) + random.randint(
0, self.angleVariance * 2) - self.angleVariance) / 100.0
nrZ = nrZ + ((self.angle * randZ) + random.randint(
0, self.angleVariance * 2) - self.angleVariance) / 100.0
#Length and Radius based on factor + (randint from -variance to +variance)
length = length * (
self.lengthFactor +
(random.randint(0, self.lengthVariance * 2 * 100) / 100.0) -
self.lengthVariance)
radius = radius * (
self.radiusFactor +
(random.randint(0, self.radiusVariance * 2 * 100) / 100.0) -
self.radiusVariance)
#Draw first branch
self.drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius,
length)
#Use opposite base angle from previous branch
nrX = nrX + ((self.angle * randX * -1) + random.randint(
0, self.angleVariance * 2) - self.angleVariance) / 100.0
nrY = nrY + ((self.angle * randY * -1) + random.randint(
0, self.angleVariance * 2) - self.angleVariance) / 100.0
nrZ = nrZ + ((self.angle * randZ * -1) + random.randint(
0, self.angleVariance * 2) - self.angleVariance) / 100.0
length = length * (
self.lengthFactor +
(random.randint(0, self.lengthVariance * 2 * 100) / 100.0) -
self.lengthVariance)
radius = radius * (
self.radiusFactor +
(random.randint(0, self.radiusVariance * 2 * 100) / 100.0) -
self.radiusVariance)
#Draw second branch
self.drawBranch(iteration, cX, cY, cZ, nrX, nrY, nrZ, radius,
length)