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createMesh.py 66 KiB
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        Rank = float(OUTTER_RADIUS - INNER_RADIUS)/float(DIV)
    for j in range(4):
        
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,z])
        Height_Offset -= Crest_Height
        Ret_Row += 1
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,z ])
        Height_Offset -= Crest_to_Root_Height
        Ret_Row += 1
    
        
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS
            if j == 0:
                x = sin(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
                y = cos(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
            verts.append([x,y,z ])
        Height_Offset -= Root_Height
        Ret_Row += 1
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS

            if j == 0:
                x = sin(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
                y = cos(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
            verts.append([x,y,z ])
        Height_Offset -= Root_to_Crest_Height
        Ret_Row += 1
   
    return Ret_Row,Height_Offset


def Create_Shank_Verts(START_DIA,OUTTER_DIA,LENGTH,Z_LOCATION = 0):

    verts = []
    DIV = 36
    
    START_RADIUS = START_DIA/2
    OUTTER_RADIUS = OUTTER_DIA/2
    
    Opp = abs(START_RADIUS - OUTTER_RADIUS)
    Taper_Lentgh = Opp/tan(radians(31));
    
    if Taper_Lentgh > LENGTH:
        Taper_Lentgh = 0
    
    Stright_Length = LENGTH - Taper_Lentgh
    
    Deg_Step = 360.0 /float(DIV)
    
    Row = 0
    
    Lowest_Z_Vert = 0;    
    
    Height_Offset = Z_LOCATION


        #ring
    for i in range(DIV+1): 
        x = sin(radians(i*Deg_Step))*START_RADIUS
        y = cos(radians(i*Deg_Step))*START_RADIUS
        z =  Height_Offset - 0
        verts.append([x,y,z])
        Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Height_Offset -= Stright_Length
    Row += 1

    for i in range(DIV+1): 
        x = sin(radians(i*Deg_Step))*START_RADIUS
        y = cos(radians(i*Deg_Step))*START_RADIUS
        z =  Height_Offset - 0
        verts.append([x,y,z])
        Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Height_Offset -= Taper_Lentgh
    Row += 1


    return verts,Row,Height_Offset


def Create_Thread_Start_Verts(INNER_DIA,OUTTER_DIA,PITCH,CREST_PERCENT,ROOT_PERCENT,Z_LOCATION = 0):
    
    verts = []
    DIV = 36
    
    INNER_RADIUS = INNER_DIA/2
    OUTTER_RADIUS = OUTTER_DIA/2
    
    Half_Pitch = float(PITCH)/2
    Deg_Step = 360.0 /float(DIV)
    Height_Step = float(PITCH)/float(DIV)

    Row = 0
    
    Lowest_Z_Vert = 0;    
    
    Height_Offset = Z_LOCATION
        
    Height_Start = Height_Offset 
    
    Crest_Height = float(PITCH) * float(CREST_PERCENT)/float(100)
    Root_Height = float(PITCH) * float(ROOT_PERCENT)/float(100)
    Root_to_Crest_Height = Crest_to_Root_Height = (float(PITCH) - (Crest_Height + Root_Height))/2.0

    Rank = float(OUTTER_RADIUS - INNER_RADIUS)/float(DIV)
    
    Height_Offset = Z_LOCATION + PITCH 
    Cut_off = Z_LOCATION
  
    
    for j in range(1):
        
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            z = Height_Offset - (Height_Step*i)
            if z > Cut_off : z = Cut_off
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Crest_Height
        Row += 1
    
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            z = Height_Offset - (Height_Step*i)
            if z > Cut_off : z = Cut_off
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Crest_to_Root_Height
        Row += 1
        
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            z = Height_Offset - (Height_Step*i)
            if z > Cut_off : z = Cut_off 
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Root_Height
        Row += 1
    
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            z = Height_Offset - (Height_Step*i)
            if z > Cut_off : z = Cut_off 
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Root_to_Crest_Height
        Row += 1
    
    
    for j in range(2):
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Crest_Height
        Row += 1
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,z ])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Crest_to_Root_Height
        Row += 1
    
        
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS
            if j == 0:
                x = sin(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
                y = cos(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
            verts.append([x,y,z ])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Root_Height
        Row += 1
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS

            if j == 0:
                x = sin(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
                y = cos(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
            verts.append([x,y,z ])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Root_to_Crest_Height
        Row += 1
        
   
    return verts,Row,Height_Offset



def Create_Thread_Verts(INNER_DIA,OUTTER_DIA,PITCH,HEIGHT,CREST_PERCENT,ROOT_PERCENT,Z_LOCATION = 0):
    verts = []
        
    DIV = 36
    
    INNER_RADIUS = INNER_DIA/2
    OUTTER_RADIUS = OUTTER_DIA/2
    
    Half_Pitch = float(PITCH)/2
    Deg_Step = 360.0 /float(DIV)
    Height_Step = float(PITCH)/float(DIV)

    NUM_OF_START_THREADS = 4.0
    NUM_OF_END_THREADS = 3.0
    Num = int((HEIGHT- ((NUM_OF_START_THREADS*PITCH) + (NUM_OF_END_THREADS*PITCH) ))/PITCH)
    Row = 0
    

    Crest_Height = float(PITCH) * float(CREST_PERCENT)/float(100)
    Root_Height = float(PITCH) * float(ROOT_PERCENT)/float(100)
    Root_to_Crest_Height = Crest_to_Root_Height = (float(PITCH) - (Crest_Height + Root_Height))/2.0


    Height_Offset = Z_LOCATION
    
    Lowest_Z_Vert = 0;
    FaceStart = len(verts)
    
    
    for j in range(Num):
        
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            z = Height_Offset - (Height_Step*i) 
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Crest_Height
        Row += 1
    
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            z = Height_Offset - (Height_Step*i)
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Crest_to_Root_Height
        Row += 1
    
        
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS
            z = Height_Offset - (Height_Step*i) 
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Root_Height
        Row += 1
    
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS
            z = Height_Offset - (Height_Step*i) 
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Root_to_Crest_Height
        Row += 1
    
    return verts,Row,Height_Offset



def Create_Thread_End_Verts(INNER_DIA,OUTTER_DIA,PITCH,CREST_PERCENT,ROOT_PERCENT,Z_LOCATION = 0):
    verts = []
        
    DIV = 36

    INNER_RADIUS = INNER_DIA/2
    OUTTER_RADIUS = OUTTER_DIA/2
    
    Half_Pitch = float(PITCH)/2
    Deg_Step = 360.0 /float(DIV)
    Height_Step = float(PITCH)/float(DIV)

    Crest_Height = float(PITCH) * float(CREST_PERCENT)/float(100)
    Root_Height = float(PITCH) * float(ROOT_PERCENT)/float(100)
    Root_to_Crest_Height = Crest_to_Root_Height = (float(PITCH) - (Crest_Height + Root_Height))/2.0
       
    Col = 0
    Row = 0
    
    Height_Offset = Z_LOCATION 
    
    Tapper_Height_Start = Height_Offset - PITCH - PITCH 
    
    Max_Height = Tapper_Height_Start - PITCH 
    
    Lowest_Z_Vert = 0;
    
    FaceStart = len(verts)
    for j in range(4):
        
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i)
            z = max(z,Max_Height)
            Tapper_Radius = OUTTER_RADIUS
            if z < Tapper_Height_Start:
                Tapper_Radius = OUTTER_RADIUS - (Tapper_Height_Start - z)

            x = sin(radians(i*Deg_Step))*(Tapper_Radius)
            y = cos(radians(i*Deg_Step))*(Tapper_Radius)
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Crest_Height
        Row += 1
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i)
            z = max(z,Max_Height)
            Tapper_Radius = OUTTER_RADIUS
            if z < Tapper_Height_Start:
                Tapper_Radius = OUTTER_RADIUS - (Tapper_Height_Start - z)

            x = sin(radians(i*Deg_Step))*(Tapper_Radius)
            y = cos(radians(i*Deg_Step))*(Tapper_Radius)
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Crest_to_Root_Height
        Row += 1
    
        
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i)
            z = max(z,Max_Height)
            Tapper_Radius = OUTTER_RADIUS - (Tapper_Height_Start - z)
            if Tapper_Radius > INNER_RADIUS:
               Tapper_Radius = INNER_RADIUS
            
            x = sin(radians(i*Deg_Step))*(Tapper_Radius)
            y = cos(radians(i*Deg_Step))*(Tapper_Radius)
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Root_Height
        Row += 1
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i)
            z = max(z,Max_Height)
            Tapper_Radius = OUTTER_RADIUS - (Tapper_Height_Start - z)
            if Tapper_Radius > INNER_RADIUS:
               Tapper_Radius = INNER_RADIUS
            
            x = sin(radians(i*Deg_Step))*(Tapper_Radius)
            y = cos(radians(i*Deg_Step))*(Tapper_Radius)
            verts.append([x,y,z])
            Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Height_Offset -= Root_to_Crest_Height
        Row += 1
    
    return verts,Row,Height_Offset,Lowest_Z_Vert




def Create_External_Thread(SHANK_DIA,SHANK_LENGTH,INNER_DIA,OUTTER_DIA,PITCH,LENGTH,CREST_PERCENT,ROOT_PERCENT):
    
    verts = []
    faces = []

    DIV = 36
    
    Total_Row = 0
    Thread_Len = 0;
    
    Face_Start = len(verts)
    Offset = 0.0;
    
                                             
    Shank_Verts,Shank_Row,Offset = Create_Shank_Verts(SHANK_DIA,OUTTER_DIA,SHANK_LENGTH,Offset)
    Total_Row += Shank_Row

    Thread_Start_Verts,Thread_Start_Row,Offset = Create_Thread_Start_Verts(INNER_DIA,OUTTER_DIA,PITCH,CREST_PERCENT,ROOT_PERCENT,Offset)
    Total_Row += Thread_Start_Row
    
    
    Thread_Verts,Thread_Row,Offset = Create_Thread_Verts(INNER_DIA,OUTTER_DIA,PITCH,LENGTH,CREST_PERCENT,ROOT_PERCENT,Offset)
    Total_Row += Thread_Row
    
    
    Thread_End_Verts,Thread_End_Row,Offset,Lowest_Z_Vert = Create_Thread_End_Verts(INNER_DIA,OUTTER_DIA,PITCH,CREST_PERCENT,ROOT_PERCENT,Offset )
    Total_Row += Thread_End_Row       
    
    
    verts.extend(Shank_Verts)
    verts.extend(Thread_Start_Verts)
    verts.extend(Thread_Verts)
    verts.extend(Thread_End_Verts)
    
    faces.extend(Build_Face_List_Quads(Face_Start,DIV,Total_Row -1,0))
    faces.extend(Fill_Ring_Face(len(verts)-DIV,DIV,1))
    
    return verts,faces,0.0 - Lowest_Z_Vert
 

##########################################################################################
##########################################################################################
##                    Create Nut
##########################################################################################
##########################################################################################

def add_Hex_Nut(FLAT,HOLE_DIA,HEIGHT):
    global Global_Head_Height
    global Global_NutRad
    
    verts = []
    faces = []
    HOLE_RADIUS = HOLE_DIA * 0.5
    Half_Flat = FLAT/2
    Half_Height = HEIGHT/2
    TopBevelRadius = Half_Flat - 0.05
    
    Global_NutRad =  TopBevelRadius
    
    Row = 0;
    Lowest_Z_Vert = 0.0;

    verts.append([0.0,0.0,0.0])
    
    
    FaceStart = len(verts)
    #inner hole
    
    x = sin(radians(0))*HOLE_RADIUS
    y = cos(radians(0))*HOLE_RADIUS
    #print ("rad 0 x;",  x,  "y:" ,y )
    verts.append([x,y,0.0])
    
    
    x = sin(radians(60/6))*HOLE_RADIUS
    y = cos(radians(60/6))*HOLE_RADIUS
    #print ("rad 60/6x;",  x,  "y:" ,y )
    verts.append([x,y,0.0])
    
    
    x = sin(radians(60/3))*HOLE_RADIUS
    y = cos(radians(60/3))*HOLE_RADIUS
    #print ("rad 60/3x;",  x,  "y:" ,y )
    verts.append([x,y,0.0])
    
    
    x = sin(radians(60/2))*HOLE_RADIUS
    y = cos(radians(60/2))*HOLE_RADIUS
    #print ("rad 60/2x;",  x,  "y:" ,y )
    verts.append([x,y,0.0])
    Row += 1
    
    
    #bevel
    
    x = sin(radians(0))*TopBevelRadius
    y = cos(radians(0))*TopBevelRadius
    vec1 = MATHUTILS.Vector([x,y,0.0])
    verts.append([x,y,0.0])
    
    
    x = sin(radians(60/6))*TopBevelRadius
    y = cos(radians(60/6))*TopBevelRadius
    vec2 = MATHUTILS.Vector([x,y,0.0])
    verts.append([x,y,0.0])
    
    
    x = sin(radians(60/3))*TopBevelRadius
    y = cos(radians(60/3))*TopBevelRadius
    vec3 = MATHUTILS.Vector([x,y,0.0])
    verts.append([x,y,0.0])
    
    
    x = sin(radians(60/2))*TopBevelRadius
    y = cos(radians(60/2))*TopBevelRadius
    vec4 = MATHUTILS.Vector([x,y,0.0])
    verts.append([x,y,0.0])
    Row += 1
    
    #Flats
    
    x = tan(radians(0))*Half_Flat
    dvec = vec1 - MATHUTILS.Vector([x,Half_Flat,0.0])
    verts.append([x,Half_Flat,-dvec.length])
    Lowest_Z_Vert = min(Lowest_Z_Vert,-dvec.length)
    
    
    x = tan(radians(60/6))*Half_Flat
    dvec = vec2 - MATHUTILS.Vector([x,Half_Flat,0.0])
    verts.append([x,Half_Flat,-dvec.length])
    Lowest_Z_Vert = min(Lowest_Z_Vert,-dvec.length)
    

    x = tan(radians(60/3))*Half_Flat
    dvec = vec3 - MATHUTILS.Vector([x,Half_Flat,0.0])
    Lowest_Point = -dvec.length
    verts.append([x,Half_Flat,-dvec.length])
    Lowest_Z_Vert = min(Lowest_Z_Vert,-dvec.length)

    x = tan(radians(60/2))*Half_Flat
    dvec = vec4 - MATHUTILS.Vector([x,Half_Flat,0.0])
    Lowest_Point = -dvec.length
    verts.append([x,Half_Flat,-dvec.length])
    Lowest_Z_Vert = min(Lowest_Z_Vert,-dvec.length)
    Row += 1
    
    #down Bits Tri
    x = tan(radians(0))*Half_Flat
    verts.append([x,Half_Flat,Lowest_Point])
    
    
    x = tan(radians(60/6))*Half_Flat
    verts.append([x,Half_Flat,Lowest_Point])
    x = tan(radians(60/3))*Half_Flat
    verts.append([x,Half_Flat,Lowest_Point])
    
    x = tan(radians(60/2))*Half_Flat
    verts.append([x,Half_Flat,Lowest_Point])
    Lowest_Z_Vert = min(Lowest_Z_Vert,Lowest_Point)
    Row += 1

    #down Bits
    
    x = tan(radians(0))*Half_Flat
    verts.append([x,Half_Flat,-Half_Height])
    
    x = tan(radians(60/6))*Half_Flat
    verts.append([x,Half_Flat,-Half_Height])

    x = tan(radians(60/3))*Half_Flat
    verts.append([x,Half_Flat,-Half_Height])
    
    x = tan(radians(60/2))*Half_Flat
    verts.append([x,Half_Flat,-Half_Height])
    Lowest_Z_Vert = min(Lowest_Z_Vert,-Half_Height)
    Row += 1
    
    faces.extend(Build_Face_List_Quads(FaceStart,3,Row - 1))

    Global_Head_Height = HEIGHT
    
    Tvert,tface = Mirror_Verts_Faces(verts,faces,'z',Lowest_Z_Vert)
    verts.extend(Tvert)
    faces.extend(tface)
           
    
    Tvert,tface = Mirror_Verts_Faces(verts,faces,'y')
    verts.extend(Tvert)
    faces.extend(tface)
    
    S_verts,S_faces = SpinDup(verts,faces,360,6,'z')
    
    #return verts,faces,TopBevelRadius
    return S_verts,S_faces,TopBevelRadius



def add_Nylon_Head(OUTSIDE_RADIUS,Z_LOCATION = 0):
    DIV = 36
    verts = []
    faces = []
    Row = 0

    INNER_HOLE = OUTSIDE_RADIUS - (OUTSIDE_RADIUS * (1.25/4.75))
    EDGE_THICKNESS = (OUTSIDE_RADIUS * (0.4/4.75))
    RAD1 = (OUTSIDE_RADIUS * (0.5/4.75))
    OVER_ALL_HEIGTH = (OUTSIDE_RADIUS * (2.0/4.75))
    
    
    FaceStart = len(verts)

    Start_Height = 0 - 3
    Height_Offset = Z_LOCATION
    Lowest_Z_Vert = 0
    
    x = INNER_HOLE
    z = (Height_Offset - OVER_ALL_HEIGTH) + EDGE_THICKNESS
    verts.append([x,0.0,z])
    Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Row += 1
    
    x = INNER_HOLE
    z = (Height_Offset - OVER_ALL_HEIGTH)
    verts.append([x,0.0,z])
    Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Row += 1
    
    
    for i in range(180,80,-10):
        x = sin(radians(i))*RAD1
        z = cos(radians(i))*RAD1
        verts.append([(OUTSIDE_RADIUS-RAD1)+x,0.0,((Height_Offset - OVER_ALL_HEIGTH)+RAD1)+z])
        Lowest_Z_Vert = min(Lowest_Z_Vert,z)
        Row += 1
    
    
    x = OUTSIDE_RADIUS - 0
    z = Height_Offset 
    verts.append([x,0.0,z])
    Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Row += 1

    sVerts,sFaces = SpinDup(verts,faces,360,DIV,'z')
    sVerts.extend(verts)        #add the start verts to the Spin verts to complete the loop
    
    faces.extend(Build_Face_List_Quads(FaceStart,Row-1,DIV))
    Aaron Keith's avatar
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        return Move_Verts_Up_Z(sVerts,0),faces,Lowest_Z_Vert



def add_Nylon_Part(OUTSIDE_RADIUS,Z_LOCATION = 0):
    DIV = 36
    verts = []
    faces = []
    Row = 0

    INNER_HOLE = OUTSIDE_RADIUS - (OUTSIDE_RADIUS * (1.5/4.75))
    EDGE_THICKNESS = (OUTSIDE_RADIUS * (0.4/4.75))
    RAD1 = (OUTSIDE_RADIUS * (0.5/4.75))
    OVER_ALL_HEIGTH = (OUTSIDE_RADIUS * (2.0/4.75))
    PART_THICKNESS = OVER_ALL_HEIGTH - EDGE_THICKNESS
    PART_INNER_HOLE = (OUTSIDE_RADIUS * (2.5/4.75))
    
    FaceStart = len(verts)

    Start_Height = 0 - 3
    Height_Offset = Z_LOCATION
    Lowest_Z_Vert = 0
    

    x = INNER_HOLE + EDGE_THICKNESS
    z = Height_Offset 
    verts.append([x,0.0,z])
    Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Row += 1
    
    x = PART_INNER_HOLE
    z = Height_Offset
    verts.append([x,0.0,z])
    Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Row += 1
    
    x = PART_INNER_HOLE
    z = Height_Offset - PART_THICKNESS
    verts.append([x,0.0,z])
    Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Row += 1
    
    x = INNER_HOLE + EDGE_THICKNESS
    z = Height_Offset - PART_THICKNESS
    verts.append([x,0.0,z])
    Lowest_Z_Vert = min(Lowest_Z_Vert,z)
    Row += 1


    sVerts,sFaces = SpinDup(verts,faces,360,DIV,'z')
    sVerts.extend(verts)  #add the start verts to the Spin verts to complete the loop
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        faces.extend(Build_Face_List_Quads(FaceStart,Row-1,DIV,1))
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    return sVerts,faces,0 - Lowest_Z_Vert


##########################################################################################
##########################################################################################
##                    Create Internal Thread
##########################################################################################
##########################################################################################


def Create_Internal_Thread_Start_Verts(verts,INNER_RADIUS,OUTTER_RADIUS,PITCH,DIV,CREST_PERCENT,ROOT_PERCENT,Height_Offset):
    
    
    Ret_Row = 0;
    
    Height_Offset = Height_Offset + PITCH  #Move the offset up so that the verts start at 
                                           #at the correct place  (Height_Start)
    
    Half_Pitch = float(PITCH)/2
    Height_Start = Height_Offset - PITCH 
    Height_Step = float(PITCH)/float(DIV)
    Deg_Step = 360.0 /float(DIV)
    
    Crest_Height = float(PITCH) * float(CREST_PERCENT)/float(100)
    Root_Height = float(PITCH) * float(ROOT_PERCENT)/float(100)
    Root_to_Crest_Height = Crest_to_Root_Height = (float(PITCH) - (Crest_Height + Root_Height))/2.0
    

    Rank = float(OUTTER_RADIUS - INNER_RADIUS)/float(DIV)
    for j in range(1):
        
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,z])
        Height_Offset -= Crest_Height
        Ret_Row += 1
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,z ])
        Height_Offset -= Crest_to_Root_Height
        Ret_Row += 1
    
        
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS
            if j == 0:
                x = sin(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
                y = cos(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
            verts.append([x,y,z ])
        Height_Offset -= Root_Height
        Ret_Row += 1
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z > Height_Start:
                z = Height_Start
            
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS

            if j == 0:
                x = sin(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
                y = cos(radians(i*Deg_Step))*(OUTTER_RADIUS - (i*Rank))
            verts.append([x,y,z ])
        Height_Offset -= Root_to_Crest_Height
        Ret_Row += 1
   
    return Ret_Row,Height_Offset


def Create_Internal_Thread_End_Verts(verts,INNER_RADIUS,OUTTER_RADIUS,PITCH,DIV,CREST_PERCENT,ROOT_PERCENT,Height_Offset):
    
    
    Ret_Row = 0;
    
    Half_Pitch = float(PITCH)/2
    #Height_End = Height_Offset - PITCH - PITCH - PITCH- PITCH - PITCH- PITCH
    Height_End = Height_Offset - PITCH 
    #Height_End = -2.1
    Height_Step = float(PITCH)/float(DIV)
    Deg_Step = 360.0 /float(DIV)
    
    Crest_Height = float(PITCH) * float(CREST_PERCENT)/float(100)
    Root_Height = float(PITCH) * float(ROOT_PERCENT)/float(100)
    Root_to_Crest_Height = Crest_to_Root_Height = (float(PITCH) - (Crest_Height + Root_Height))/2.0
    

    Rank = float(OUTTER_RADIUS - INNER_RADIUS)/float(DIV)
    
    Num = 0
    
    for j in range(2):
        
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z < Height_End:
                z = Height_End
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,z])
        Height_Offset -= Crest_Height
        Ret_Row += 1
    
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z < Height_End:
                z = Height_End
            
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,z ])
        Height_Offset -= Crest_to_Root_Height
        Ret_Row += 1
    
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z < Height_End:
                z = Height_End
            
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS
            if j == Num:
                x = sin(radians(i*Deg_Step))*(INNER_RADIUS + (i*Rank))
                y = cos(radians(i*Deg_Step))*(INNER_RADIUS + (i*Rank))
            if j > Num:
                x = sin(radians(i*Deg_Step))*(OUTTER_RADIUS)
                y = cos(radians(i*Deg_Step))*(OUTTER_RADIUS )
                
            verts.append([x,y,z ])
        Height_Offset -= Root_Height
        Ret_Row += 1
    
    
        for i in range(DIV+1):
            z = Height_Offset - (Height_Step*i) 
            if z < Height_End:
                z = Height_End
            
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS

            if j == Num:
                x = sin(radians(i*Deg_Step))*(INNER_RADIUS + (i*Rank))
                y = cos(radians(i*Deg_Step))*(INNER_RADIUS + (i*Rank))
            if j > Num:
                x = sin(radians(i*Deg_Step))*(OUTTER_RADIUS )
                y = cos(radians(i*Deg_Step))*(OUTTER_RADIUS )
                
            verts.append([x,y,z ])
        Height_Offset -= Root_to_Crest_Height
        Ret_Row += 1

       
    return Ret_Row,Height_End  # send back Height End as this is the lowest point


def Create_Internal_Thread(INNER_DIA,OUTTER_DIA,PITCH,HEIGHT,CREST_PERCENT,ROOT_PERCENT,INTERNAL = 1):
    verts = []
    faces = []
    
    DIV = 36
    
    INNER_RADIUS = INNER_DIA/2
    OUTTER_RADIUS = OUTTER_DIA/2
    
    Half_Pitch = float(PITCH)/2
    Deg_Step = 360.0 /float(DIV)
    Height_Step = float(PITCH)/float(DIV)
            
    Num = int(round((HEIGHT- PITCH)/PITCH))  # less one pitch for the start and end that is 1/2 pitch high    
    
    Col = 0
    Row = 0
    
    
    Crest_Height = float(PITCH) * float(CREST_PERCENT)/float(100)
    Root_Height = float(PITCH) * float(ROOT_PERCENT)/float(100)
    Root_to_Crest_Height = Crest_to_Root_Height = (float(PITCH) - (Crest_Height + Root_Height))/2.0
    
    Height_Offset = 0
    FaceStart = len(verts)
    
    Row_Inc,Height_Offset = Create_Internal_Thread_Start_Verts(verts,INNER_RADIUS,OUTTER_RADIUS,PITCH,DIV,CREST_PERCENT,ROOT_PERCENT,Height_Offset)
    Row += Row_Inc
    
    for j in range(Num):
        
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,Height_Offset - (Height_Step*i) ])
        Height_Offset -= Crest_Height
        Row += 1
    
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
            y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
            verts.append([x,y,Height_Offset - (Height_Step*i) ])
        Height_Offset -= Crest_to_Root_Height
        Row += 1
        
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS
            verts.append([x,y,Height_Offset - (Height_Step*i) ])
        Height_Offset -= Root_Height
        Row += 1
    
        for i in range(DIV+1):
            x = sin(radians(i*Deg_Step))*INNER_RADIUS
            y = cos(radians(i*Deg_Step))*INNER_RADIUS
            verts.append([x,y,Height_Offset - (Height_Step*i) ])
        Height_Offset -= Root_to_Crest_Height
        Row += 1
    

    Row_Inc,Height_Offset = Create_Internal_Thread_End_Verts(verts,INNER_RADIUS,OUTTER_RADIUS,PITCH,DIV,CREST_PERCENT,ROOT_PERCENT,Height_Offset)
    Row += Row_Inc
    
    faces.extend(Build_Face_List_Quads(FaceStart,DIV,Row -1,INTERNAL))
    
    return verts,faces,0 - Height_Offset


def Nut_Mesh(props, context):

    verts = []
    faces = []
    Head_Verts = []
    Head_Faces= []
    #sc = context.scene

    New_Nut_Height = 5
    
    Face_Start = len(verts)
    Thread_Verts,Thread_Faces,New_Nut_Height = Create_Internal_Thread(props.bf_Minor_Dia,props.bf_Major_Dia,props.bf_Pitch,props.bf_Hex_Nut_Height,props.bf_Crest_Percent,props.bf_Root_Percent,1)
    verts.extend(Thread_Verts)
    faces.extend(Copy_Faces(Thread_Faces,Face_Start))
    
    Face_Start = len(verts)
    Head_Verts,Head_Faces,Lock_Nut_Rad = add_Hex_Nut(props.bf_Hex_Nut_Flat_Distance,props.bf_Major_Dia,New_Nut_Height)
    verts.extend((Head_Verts))
    faces.extend(Copy_Faces(Head_Faces,Face_Start))
    
    LowZ = 0 - New_Nut_Height
    
    if props.bf_Nut_Type == 'bf_Nut_Lock':
        Face_Start = len(verts)
        Nylon_Head_Verts,Nylon_Head_faces,LowZ = add_Nylon_Head(Lock_Nut_Rad,0-New_Nut_Height)    
        verts.extend((Nylon_Head_Verts))
        faces.extend(Copy_Faces(Nylon_Head_faces,Face_Start))
    
        Face_Start = len(verts)
        Nylon_Verts,Nylon_faces,Temp_LowZ = add_Nylon_Part(Lock_Nut_Rad,0-New_Nut_Height)    
        verts.extend((Nylon_Verts))
        faces.extend(Copy_Faces(Nylon_faces,Face_Start))
    

    return Move_Verts_Up_Z(verts,0 - LowZ),faces



##########################################################################################
##########################################################################################
##########################################################################################
##                    Create Bolt
##########################################################################################
##########################################################################################



def Bolt_Mesh(props, context):

    
    verts = []
    faces = []
    Bit_Verts = []
    Bit_Faces = []
    Bit_Dia = 0.001
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