UsefulMayaLibrary

Modelling.py

MERGE_FACE_DIRECTION = {"+x":0, "-x":1, "+y":2, "-y":3, "+z":4, "-z":5}

def getBoundaryEdges(obj=None):
    if obj == None:
        obj = pm.selected()[0]
    
    objType = type(obj)
    if objType == pm.nt.Mesh:
        edges = obj.edges
    elif objType == pm.nt.Transform:
        edges = obj.getShape().edges
    else:
        raise ValueError("Selected object is not a mesh or the transform of a mesh")
    
    bounds = []
    for e in edges:
        if e.isOnBoundary():
            bounds.append(e)
            
    
    pm.select(obj)
    pm.selectMode(co=True)
    pm.select(bounds)
    
    return bounds
    
def transferTranslate(objs=()):
    if objs == ():
        objs = pm.selected()
        
    if len(objs) <= 1:
        raise ValueError("Not enough objects have been selected or passed to transfer translte to")
        
    tran = objs[0].translate.get()
    
    for t in objs[1:]:
        t.translate.set(tran)
        
def toggleWireSelectionPersp():
    pm.modelEditor("modelPanel4", e=True, sel=not pm.modelEditor("modelPanel4", q=True, sel=True))

def mirrorFaceSegment(axis=("+y","+z")):
    pm.polyMirrorFace(ws=True, direction=MERGE_FACE_DIRECTION[axis[0]], mergeMode=1, ch=1, mergeThreshold=0.00001)
    pm.polyMirrorFace(ws=True, direction=MERGE_FACE_DIRECTION[axis[1]], mergeMode=1, ch=1, mergeThreshold=0.00001)

WIP.py

def cutMeshMirror(obj=None, pc=(0,0,0), ro=(-90,0,90), delete=True):
    if obj == None:
        obj = pm.selected()[0]
    
    if type(obj) == pm.nt.Transform:
        obj = obj.getShape()
        
    pm.polyCut(obj.faces, ch=True, pc=pc, ro=ro)
    
    if delete:
        rightSideFaces = []
        for f in obj.faces:
            for p in f.getPoints(space="world"):
                if p.x > 0:
                    rightSideFaces.append(f)
                    break
        pm.delete(rightSideFaces)