def _prep(self,args):
basename=self.inputName.getText()
nparticle=pm.ls(sl=True)[0]
if not pm.objExists(self.inputBar.getText()):
pm.error ('GEO plane doesn\'t exist')
geo = pm.PyNode(self.inputBar.getText())
if not isinstance(nparticle.getShape(), pm.nt.NParticle):
pm.error('Your selection is not an nParticle object')
#create an instancer
tempCube=pm.polyCube(n='temp_iinst_GEO',w=.01,h=.01,d=.01,ch=0)
self.instancer=pm.PyNode(pm.particleInstancer(nparticle,name=(nparticle.name().replace('_NPARTICLE','_INSTANCER')),addObject=True,object=tempCube[0],cycleStep=1,cycleStepUnits='Frames',levelOfDetail='Geometry',rotationUnits='Degrees',rotationOrder='XYZ',position='worldPosition',rotation='rotPP',scale='scalePP',objectIndex='indexPP'))
pm.delete(tempCube)
#group the nparticle + instancer
group=pm.group(n=(nparticle.name().replace('_NPATICLE','_lodA_GRP')))
nparticle.setParent(group)
self.instancer.setParent(group)
#nCache itR
if not pm.objExists( nparticle.name().replace('_NPARTICLE','_NUCLEUS') ):
pm.error('Nucleus doesn\'t exist!')
nucleus = nparticle.name().replace('_NPARTICLE','_NUCLEUS')
#delete everything unnecessary that might cause issues
print geo, nucleus
print 'issue?'
pm.delete(geo, nucleus)
print 'issue?'
pm.select(nparticle)
mm.eval('performCreateNclothCache 1 \"add\";')
pm.confirmDialog(m='WARNING, DO NOT SAVE AFTER THIS STEP',t='DONT SAVE!')
def createParticleEmitter(self, meshEmitter, collider):
# Force nParticle balls at creation
pm.optionVar(sv=("NParticleStyle", "Balls"))
self.particle, self.partShape = pm.nParticle(n=str(meshEmitter) + "_particle")
# Add attribute in particleShape
pm.addAttr(self.partShape, ln="indexPP", dt="doubleArray")
pm.addAttr(self.partShape, ln="rotatePP", dt="vectorArray")
pm.addAttr(self.partShape, ln="scalePP", dt="vectorArray")
pm.addAttr(self.partShape, ln="rgbPP", dt="vectorArray")
pm.addAttr(self.partShape, ln="fixPosPP", dt="vectorArray")
pm.addAttr(self.partShape, ln="opacityPP", dt="doubleArray")
pm.addAttr(self.partShape, ln="typePP", dt="doubleArray")
self.nameEmitter = str(meshEmitter) + "_emitter"
pm.emitter(meshEmitter, type="surface", name=self.nameEmitter, r=float(self.ui.simulationEmit_le.text()))
pm.connectDynamic(self.partShape, em=self.nameEmitter)
# Used maya command because pymel crash when find nucleus node
self.nucleusName = mel.eval('listConnections -type "nucleus" ' + self.partShape + ";")[0]
pm.parent(self.partShape, self.worldParent)
pm.parent(self.nameEmitter, self.worldParent)
pm.parent(self.nucleusName, self.worldParent)
self.setParamaters(self.partShape, self.particleParameter)
self.setParamaters(self.nameEmitter, self.emitterParameter)
self.setParamaters(self.nucleusName, self.nucleusParameter)
pm.addAttr(self.partShape, ln="radiusPP", dt="doubleArray")
# Create Rigid
pm.select(collider, r=1)
pm.runtime.nClothMakeCollide(collider)
self.nrigid = pm.listConnections(collider.listRelatives(s=1, c=1)[0], type="nRigid")[0]
self.setParamaters(self.nrigid.listRelatives(s=1, c=1)[0], self.rigidParameter)
pm.parent(self.nrigid, self.worldParent)
self.nrigid.setAttr("v", 0)
# Create instancer
self.instancer = pm.particleInstancer(
self.partShape,
a=True,
object=self.listInstance,
n=str(meshEmitter) + "_instancer",
cycle="sequential",
age="indexPP",
rotation="rotatePP",
scale="scalePP",
visibility="opacityPP",
)
pm.parent(self.instancer, self.worldParent)
# Create proc Colision
expression = """
global proc forestGeneratorEvent(string $particleObject,int $particleId, string $geometryObject)
{
vector $rgb = `nParticle -attribute rgbPP -id $particleId -q $particleObject`;
if ($rgb != << 1,1,1 >>)
{
nParticle -e -attribute rgbPP -id $particleId -vv 0 1 0 $particleObject;
}
vector $pos = `nParticle -attribute position -id $particleId -q $particleObject`;
vector $lastPos = `nParticle -attribute lastPosition -id $particleId -q $particleObject`;
nParticle -e -attribute opacityPP -id $particleId -fv 1 $particleObject;
if (mag($pos - $lastPos) >= 10 && $rgb != << 1,1,1 >>){
nParticle -e -attribute lifespanPP -id $particleId -fv 0 $particleObject;
}
}"""
pm.expression(s=expression, n="forestGenerator_exp")
# Create Colision event
pm.event(self.partShape, die=0, count=0, proc="forestGeneratorEvent")
def createParticleEmitter(self, meshEmitter, collider):
# Force nParticle balls at creation
pm.optionVar(sv=("NParticleStyle", "Balls"))
self.particle, self.partShape = pm.nParticle(n=str(meshEmitter) +
"_particle")
#Add attribute in particleShape
pm.addAttr(self.partShape, ln="indexPP", dt="doubleArray")
pm.addAttr(self.partShape, ln="rotatePP", dt="vectorArray")
pm.addAttr(self.partShape, ln="scalePP", dt="vectorArray")
pm.addAttr(self.partShape, ln="rgbPP", dt="vectorArray")
pm.addAttr(self.partShape, ln="fixPosPP", dt="vectorArray")
pm.addAttr(self.partShape, ln="opacityPP", dt="doubleArray")
pm.addAttr(self.partShape, ln="typePP", dt="doubleArray")
self.nameEmitter = str(meshEmitter) + "_emitter"
pm.emitter(meshEmitter,
type="surface",
name=self.nameEmitter,
r=float(self.ui.simulationEmit_le.text()))
pm.connectDynamic(self.partShape, em=self.nameEmitter)
#Used maya command because pymel crash when find nucleus node
self.nucleusName = mel.eval("listConnections -type \"nucleus\" " +
self.partShape + ";")[0]
pm.parent(self.partShape, self.worldParent)
pm.parent(self.nameEmitter, self.worldParent)
pm.parent(self.nucleusName, self.worldParent)
self.setParamaters(self.partShape, self.particleParameter)
self.setParamaters(self.nameEmitter, self.emitterParameter)
self.setParamaters(self.nucleusName, self.nucleusParameter)
pm.addAttr(self.partShape, ln="radiusPP", dt="doubleArray")
#Create Rigid
pm.select(collider, r=1)
pm.runtime.nClothMakeCollide(collider)
self.nrigid = pm.listConnections(collider.listRelatives(s=1, c=1)[0],
type='nRigid')[0]
self.setParamaters(
self.nrigid.listRelatives(s=1, c=1)[0], self.rigidParameter)
pm.parent(self.nrigid, self.worldParent)
self.nrigid.setAttr("v", 0)
#Create instancer
self.instancer = pm.particleInstancer(self.partShape,
a=True,
object=self.listInstance,
n=str(meshEmitter) +
"_instancer",
cycle="sequential",
age="indexPP",
rotation="rotatePP",
scale="scalePP",
visibility="opacityPP")
pm.parent(self.instancer, self.worldParent)
#Create proc Colision
expression = """
global proc forestGeneratorEvent(string $particleObject,int $particleId, string $geometryObject)
{
vector $rgb = `nParticle -attribute rgbPP -id $particleId -q $particleObject`;
if ($rgb != << 1,1,1 >>)
{
nParticle -e -attribute rgbPP -id $particleId -vv 0 1 0 $particleObject;
}
vector $pos = `nParticle -attribute position -id $particleId -q $particleObject`;
vector $lastPos = `nParticle -attribute lastPosition -id $particleId -q $particleObject`;
nParticle -e -attribute opacityPP -id $particleId -fv 1 $particleObject;
if (mag($pos - $lastPos) >= 10 && $rgb != << 1,1,1 >>){
nParticle -e -attribute lifespanPP -id $particleId -fv 0 $particleObject;
}
}"""
pm.expression(s=expression, n="forestGenerator_exp")
#Create Colision event
pm.event(self.partShape, die=0, count=0, proc="forestGeneratorEvent")
def set_insAttr(self, **kwargs):
pc.particleInstancer(self.nparticle, e=True, **kwargs)
def getPtcInstancer(ptcNode=''):
ptcInst = pm.particleInstancer(ptcNode='', q=True, name=True)
if ptcInst:
return ptcInst[0]