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createMesh.py
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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
import bpy
import sys
import mathutils
from math import *
from itertools import *
NARROW_UI = 180
# next two utility functions are stolen from import_obj.py
def unpack_list(list_of_tuples):
l = []
for t in list_of_tuples:
l.extend(t)
return l
def unpack_face_list(list_of_tuples):
l = []
for t in list_of_tuples:
face = [i for i in t]
if len(face) != 3 and len(face) != 4:
raise RuntimeError("{0} vertices in face".format(len(face)))
# rotate indices if the 4th is 0
if len(face) == 4 and face[3] == 0:
face = [face[3], face[0], face[1], face[2]]
if len(face) == 3:
face.append(0)
l.extend(face)
return l
def RemoveDoubles(verts,faces,Decimal_Places = 4):
""" Removes doubles from the lists of verts, faces in "Object mode.
much like Blender's "RemoveDoubles" in "Edit mode".
with the difference that the coordinates are rounded instead of
checking range|proximity.
Thus vertices that are within rounding precision are removed.
Why: In object mode the properties can be changed interactively.
"""
new_verts = []
new_faces = []
dict_verts = {}
Rounded_Verts = []
for v in verts:
Rounded_Verts.append([round(v[0],Decimal_Places),round(v[1],Decimal_Places),round(v[2],Decimal_Places)])
for face in faces:
new_face = []
for vert_index in face:
Real_co = tuple(verts[vert_index])
Rounded_co = tuple(Rounded_Verts[vert_index])
if Rounded_co not in dict_verts:
dict_verts[Rounded_co] = len(dict_verts)
new_verts.append(Real_co)
if dict_verts[Rounded_co] not in new_face:
new_face.append(dict_verts[Rounded_co])
if len(new_face) == 3 or len(new_face) == 4:
new_faces.append(new_face)
return new_verts,new_faces
def Scale_Mesh_Verts(verts, scale_factor):
""" Scale according to scene unit settings scale_length, scale_factor
Ensure the mesh is matching the set parameters like height
as long as scale_factor equals 1.
Else allow custom unit settings for precision e.g. 1mm := 1m = 1bu
and creating bigger|smaller fasteners at the same time.
"""
#print("scale_factor: %s / scale_length: %s" % (scale_factor, bpy.context.scene.unit_settings.scale_length))
scale_factor = scale_factor / bpy.context.scene.unit_settings.scale_length
verts_scaled = []
for v in verts:
verts_scaled.append([v[0]*scale_factor,v[1]*scale_factor,v[2]*scale_factor])
return verts_scaled
def Simple_RotationMatrix(angle, matSize, axisFlag):
""" Create a matrix representing a rotation.
Parameters:
* angle (float) - The angle of rotation desired.
* matSize (int) - The size of the rotation matrix to construct. Can be 2d, 3d, or 4d.
* axisFlag (string (optional)) - Possible values:
* "x - x-axis rotation"
* "y - y-axis rotation"
* "z - z-axis rotation"
* "r - arbitrary rotation around vector"
* axis (Vector object. (optional)) - The arbitrary axis of rotation used with "R"
Returns: Matrix object.
A new rotation matrix.
"""
# To avoid hardcoding Simple_RotationMatrix.__name__:
this_function_name = sys._getframe().f_code.co_name
if matSize != 4 :
print ("%s can only do 4x4" % (this_function_name))
q = radians(angle) # make the rotation go clockwise
if axisFlag == 'x' or axisFlag == 'y' or axisFlag == 'z':
# While strings in python are immutable, chars are not:
matrix = mathutils.Matrix.Rotation(q, 4, axisFlag.upper())
else:
print ("%s can only do x y z axis" % (this_function_name))
return matrix
####### Converter Functions For Bolt Factory
def Flat_To_Radius(FLAT):
h = (float(FLAT)/2)/cos(radians(30))
return h
def Get_Phillips_Bit_Height(Bit_Dia):
Flat_Width_half = (Bit_Dia*(0.5/1.82))/2.0
Bit_Rad = Bit_Dia / 2.0
x = Bit_Rad - Flat_Width_half
y = tan(radians(60))*x
return float(y)
####### Miscellaneous Utilities
def Rot_Mesh(verts, matrix):
""" Return a list of verts rotated by the given matrix.
"""
from mathutils import Vector
return [(matrix * Vector(v))[:] for v in verts]
def Copy_Faces(faces,offset):
""" Return a list of faces with its indexes incremented by offset.
"""
return [[(i + offset) for i in f] for f in faces]
def SpinDup(VERTS,FACES,DEGREE,DIVISIONS,AXIS):
""" Much like Blenders built in SpinDup.
"""
verts=[]
faces=[]
if DIVISIONS == 0:
DIVISIONS = 1
step = DEGREE/DIVISIONS # set step so pieces * step = degrees in arc
for i in range(int(DIVISIONS)):
rotmat = Simple_RotationMatrix(step*i, 4, AXIS) # 4x4 rotation matrix, 30d about the x axis.
Rot = Rot_Mesh(VERTS,rotmat)
faces.extend(Copy_Faces(FACES,len(verts)))
verts.extend(Rot)
return verts,faces
def Move_Verts_Up_Z(VERTS,DISTANCE):
""" Return a list of verts moved up the Z axis by DISTANCE.
"""
ret = []
for v in VERTS:
ret.append([v[0],v[1],v[2]+DISTANCE])
return ret
def Mirror_Verts_Faces(VERTS,FACES,AXIS,FLIP_POINT =0):
""" Return lists of verts, faces mirrored in the AXIS.
"""
ret_vert = []
ret_face = []
offset = len(VERTS)
if AXIS == 'y':
for v in VERTS:
Delta = v[0] - FLIP_POINT
ret_vert.append([FLIP_POINT-Delta,v[1],v[2]])
if AXIS == 'x':
for v in VERTS:
Delta = v[1] - FLIP_POINT
ret_vert.append([v[0],FLIP_POINT-Delta,v[2]])
if AXIS == 'z':
for v in VERTS:
Delta = v[2] - FLIP_POINT
ret_vert.append([v[0],v[1],FLIP_POINT-Delta])
for f in FACES:
fsub = []
for i in range(len(f)):
fsub.append(f[i]+ offset)
fsub.reverse() # flip the order to make norm point out
ret_face.append(fsub)
return ret_vert,ret_face
def Build_Face_List_Quads(OFFSET,COLUM,ROW,FLIP = 0):
""" Return a list of faces that make up an array of 4 point polygon.
"""
Ret =[]
RowStart = 0;
for j in range(ROW):
for i in range(COLUM):
Res1 = RowStart + i;
Res2 = RowStart + i + (COLUM +1)
Res3 = RowStart + i + (COLUM +1) +1
Res4 = RowStart+i+1
if FLIP:
Ret.append([OFFSET+Res1,OFFSET+Res2,OFFSET+Res3,OFFSET+Res4])
else:
Ret.append([OFFSET+Res4,OFFSET+Res3,OFFSET+Res2,OFFSET+Res1])
RowStart += COLUM+1
return Ret
def Fill_Ring_Face(OFFSET,NUM,FACE_DOWN = 0):
""" Return a list of faces that make up a fill pattern for a circle.
"""
Ret =[]
Face = [1,2,0]
TempFace = [0,0,0]
#A = 0
B = 1
C = 2
if NUM < 3:
return None
for i in range(NUM-2):
if (i%2):
TempFace[0] = Face[C];
TempFace[1] = Face[C] + 1;
TempFace[2] = Face[B];
if FACE_DOWN:
Ret.append([OFFSET+Face[2],OFFSET+Face[1],OFFSET+Face[0]])
else:
Ret.append([OFFSET+Face[0],OFFSET+Face[1],OFFSET+Face[2]])
else:
TempFace[0] =Face[C];
if Face[C] == 0:
TempFace[1] = NUM-1;
else:
TempFace[1] = Face[C] - 1;
TempFace[2] = Face[B];
if FACE_DOWN:
Ret.append([OFFSET+Face[0],OFFSET+Face[1],OFFSET+Face[2]])
else:
Ret.append([OFFSET+Face[2],OFFSET+Face[1],OFFSET+Face[0]])
Face[0] = TempFace[0]
Face[1] = TempFace[1]
Face[2] = TempFace[2]
return Ret
####### Create Allen Bit
def Allen_Fill(OFFSET,FLIP= 0):
faces = []
Lookup = [[19,1,0],
[19,2,1],
[19,3,2],
[19,20,3],
[20,4,3],
[20,5,4],
[20,6,5],
[20,7,6],
[20,8,7],
[20,9,8],
[20,21,9],
[21,10,9],
[21,11,10],
[21,12,11],
[21,13,12],
[21,14,13],
[21,15,14],
[21,22,15],
[22,16,15],
[22,17,16],
[22,18,17]
]
for i in Lookup:
if FLIP:
faces.append([OFFSET+i[2],OFFSET+i[1],OFFSET+i[0]])
else:
faces.append([OFFSET+i[0],OFFSET+i[1],OFFSET+i[2]])
return faces
def Allen_Bit_Dia(FLAT_DISTANCE):
Flat_Radius = (float(FLAT_DISTANCE)/2.0)/cos(radians(30))
return (Flat_Radius * 1.05) * 2.0
def Allen_Bit_Dia_To_Flat(DIA):
Flat_Radius = (DIA/2.0)/1.05
return (Flat_Radius * cos (radians(30)))* 2.0
def Create_Allen_Bit(FLAT_DISTANCE,HEIGHT):
Div = 36
verts = []
faces = []
Flat_Radius = (float(FLAT_DISTANCE)/2.0)/cos(radians(30))
OUTTER_RADIUS = Flat_Radius * 1.05
Outter_Radius_Height = Flat_Radius * (0.1/5.77)
FaceStart_Outside = len(verts)
Deg_Step = 360.0 /float(Div)
for i in range(int(Div/2)+1): # only do half and mirror later
x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
verts.append([x,y,0])
FaceStart_Inside = len(verts)
Deg_Step = 360.0 /float(6)
for i in range(int(6/2)+1):
x = sin(radians(i*Deg_Step))* Flat_Radius
y = cos(radians(i*Deg_Step))* Flat_Radius
verts.append([x,y,0-Outter_Radius_Height])
faces.extend(Allen_Fill(FaceStart_Outside,0))
FaceStart_Bottom = len(verts)
Deg_Step = 360.0 /float(6)
for i in range(int(6/2)+1):
x = sin(radians(i*Deg_Step))* Flat_Radius
y = cos(radians(i*Deg_Step))* Flat_Radius
verts.append([x,y,0-HEIGHT])
faces.extend(Build_Face_List_Quads(FaceStart_Inside,3,1,True))
faces.extend(Fill_Ring_Face(FaceStart_Bottom,4))
M_Verts,M_Faces = Mirror_Verts_Faces(verts,faces,'y')
verts.extend(M_Verts)
faces.extend(M_Faces)
return verts,faces,OUTTER_RADIUS * 2.0
####### Create Phillips Bit
def Phillips_Fill(OFFSET,FLIP= 0):
faces = []
Lookup = [[0,1,10],
[1,11,10],
[1,2,11],
[2,12,11],
[2,3,12],
[3,4,12],
[4,5,12],
[5,6,12],
[6,7,12],
[7,13,12],
[7,8,13],
[8,14,13],
[8,9,14],
[10,11,16,15],
[11,12,16],
[12,13,16],
[13,14,17,16],
[15,16,17,18]
]
for i in Lookup:
if FLIP:
if len(i) == 3:
faces.append([OFFSET+i[2],OFFSET+i[1],OFFSET+i[0]])
else:
faces.append([OFFSET+i[3],OFFSET+i[2],OFFSET+i[1],OFFSET+i[0]])
else:
if len(i) == 3:
faces.append([OFFSET+i[0],OFFSET+i[1],OFFSET+i[2]])
else:
faces.append([OFFSET+i[0],OFFSET+i[1],OFFSET+i[2],OFFSET+i[3]])
return faces
def Create_Phillips_Bit(FLAT_DIA,FLAT_WIDTH,HEIGHT):
Div = 36
verts = []
faces = []
FLAT_RADIUS = FLAT_DIA * 0.5
OUTTER_RADIUS = FLAT_RADIUS * 1.05
Flat_Half = float(FLAT_WIDTH)/2.0
FaceStart_Outside = len(verts)
Deg_Step = 360.0 /float(Div)
for i in range(int(Div/4)+1): # only do half and mirror later
x = sin(radians(i*Deg_Step))*OUTTER_RADIUS
y = cos(radians(i*Deg_Step))*OUTTER_RADIUS
verts.append([x,y,0])
#FaceStart_Inside = len(verts)
verts.append([0,FLAT_RADIUS,0]) #10
verts.append([Flat_Half,FLAT_RADIUS,0]) #11
verts.append([Flat_Half,Flat_Half,0]) #12
verts.append([FLAT_RADIUS,Flat_Half,0]) #13
verts.append([FLAT_RADIUS,0,0]) #14
verts.append([0,Flat_Half,0-HEIGHT]) #15
verts.append([Flat_Half,Flat_Half,0-HEIGHT]) #16
verts.append([Flat_Half,0,0-HEIGHT]) #17
verts.append([0,0,0-HEIGHT]) #18
faces.extend(Phillips_Fill(FaceStart_Outside,True))
Spin_Verts,Spin_Face = SpinDup(verts,faces,360,4,'z')
return Spin_Verts,Spin_Face,OUTTER_RADIUS * 2
####### Create Head Types
def Max_Pan_Bit_Dia(HEAD_DIA):
HEAD_RADIUS = HEAD_DIA * 0.5
XRad = HEAD_RADIUS * 1.976
return (sin(radians(10))*XRad) * 2.0
def Create_Pan_Head(HOLE_DIA,HEAD_DIA,SHANK_DIA,HEIGHT,RAD1,RAD2,FACE_OFFSET):
DIV = 36
HOLE_RADIUS = HOLE_DIA * 0.5
HEAD_RADIUS = HEAD_DIA * 0.5
SHANK_RADIUS = SHANK_DIA * 0.5
verts = []
faces = []
Row = 0
XRad = HEAD_RADIUS * 1.976
ZRad = HEAD_RADIUS * 1.768
EndRad = HEAD_RADIUS * 0.284
EndZOffset = HEAD_RADIUS * 0.432
HEIGHT = HEAD_RADIUS * 0.59
# Dome_Rad = 5.6
# RAD_Offset = 4.9
# OtherRad = 0.8
# OtherRad_X_Offset = 4.2
# OtherRad_Z_Offset = 2.52
# XRad = 9.88
# ZRad = 8.84
# EndRad = 1.42
# EndZOffset = 2.16
# HEIGHT = 2.95
FaceStart = FACE_OFFSET
z = cos(radians(10))*ZRad
verts.append([HOLE_RADIUS,0.0,(0.0-ZRad)+z])
Start_Height = 0 - ((0.0-ZRad)+z)
Row += 1
#for i in range(0,30,10): was 0 to 30 more work needed to make this look good.
for i in range(10,30,10):
x = sin(radians(i))*XRad
z = cos(radians(i))*ZRad
verts.append([x,0.0,(0.0-ZRad)+z])
Row += 1
for i in range(20,140,10):
x = sin(radians(i))*EndRad
z = cos(radians(i))*EndRad
if ((0.0 - EndZOffset)+z) < (0.0-HEIGHT):
verts.append([(HEAD_RADIUS -EndRad)+x,0.0,0.0 - HEIGHT])
else:
verts.append([(HEAD_RADIUS -EndRad)+x,0.0,(0.0 - EndZOffset)+z])
Row += 1
verts.append([SHANK_RADIUS,0.0,(0.0-HEIGHT)])
Row += 1
verts.append([SHANK_RADIUS,0.0,(0.0-HEIGHT)-Start_Height])
Row += 1
sVerts,sFaces = SpinDup(verts,faces,360,DIV,'z')
# Add the start verts to the Spin verts to complete the loop.
sVerts.extend(verts)
faces.extend(Build_Face_List_Quads(FaceStart,Row-1,DIV))
#Global_Head_Height = HEIGHT
return Move_Verts_Up_Z(sVerts,Start_Height),faces,HEIGHT
def Create_Dome_Head(HOLE_DIA,HEAD_DIA,SHANK_DIA,HEIGHT,RAD1,RAD2,FACE_OFFSET):
DIV = 36
HOLE_RADIUS = HOLE_DIA * 0.5
HEAD_RADIUS = HEAD_DIA * 0.5
SHANK_RADIUS = SHANK_DIA * 0.5
verts = []
faces = []
Row = 0
#BEVEL = HEIGHT * 0.01
#Dome_Rad = HEAD_RADIUS * (1.0/1.75)
Dome_Rad = HEAD_RADIUS * 1.12
#Head_Height = HEAD_RADIUS * 0.78
RAD_Offset = HEAD_RADIUS * 0.98
Dome_Height = HEAD_RADIUS * 0.64
OtherRad = HEAD_RADIUS * 0.16
OtherRad_X_Offset = HEAD_RADIUS * 0.84
OtherRad_Z_Offset = HEAD_RADIUS * 0.504
# Dome_Rad = 5.6
# RAD_Offset = 4.9
# Dome_Height = 3.2
# OtherRad = 0.8
# OtherRad_X_Offset = 4.2
# OtherRad_Z_Offset = 2.52
FaceStart = FACE_OFFSET
verts.append([HOLE_RADIUS,0.0,0.0])
Row += 1
for i in range(0,60,10):
x = sin(radians(i))*Dome_Rad
z = cos(radians(i))*Dome_Rad
if ((0.0-RAD_Offset)+z) <= 0:
verts.append([x,0.0,(0.0-RAD_Offset)+z])
Row += 1
for i in range(60,160,10):
x = sin(radians(i))*OtherRad
z = cos(radians(i))*OtherRad
z = (0.0-OtherRad_Z_Offset)+z
if z < (0.0-Dome_Height):
z = (0.0-Dome_Height)
verts.append([OtherRad_X_Offset+x,0.0,z])
Row += 1
verts.append([SHANK_RADIUS,0.0,(0.0-Dome_Height)])
Row += 1
sVerts,sFaces = SpinDup(verts,faces,360,DIV,'z')
# Add the start verts to the Spin verts to complete the loop.
sVerts.extend(verts)
faces.extend(Build_Face_List_Quads(FaceStart,Row-1,DIV))
return sVerts,faces,Dome_Height
def Create_CounterSink_Head(HOLE_DIA,HEAD_DIA,SHANK_DIA,HEIGHT,RAD1):
DIV = 36
HOLE_RADIUS = HOLE_DIA * 0.5
HEAD_RADIUS = HEAD_DIA * 0.5
SHANK_RADIUS = SHANK_DIA * 0.5
verts = []
faces = []
Row = 0
#HEAD_RADIUS = (HEIGHT/tan(radians(60))) + SHANK_RADIUS
HEIGHT = tan(radians(60)) * (HEAD_RADIUS - SHANK_RADIUS)
#print (RAD1)
FaceStart = len(verts)
verts.append([HOLE_RADIUS,0.0,0.0])
Row += 1
# rad
for i in range(0,100,10):
x = sin(radians(i))*RAD1
z = cos(radians(i))*RAD1
verts.append([(HEAD_RADIUS-RAD1)+x,0.0,(0.0-RAD1)+z])
Row += 1
verts.append([SHANK_RADIUS,0.0,0.0-HEIGHT])
Row += 1
sVerts,sFaces = SpinDup(verts,faces,360,DIV,'z')
# Add the start verts to the Spin verts to complete the loop.
sVerts.extend(verts)
faces.extend(Build_Face_List_Quads(FaceStart,Row-1,DIV,1))
return sVerts,faces,HEIGHT
def Create_Cap_Head(HOLE_DIA,HEAD_DIA,SHANK_DIA,HEIGHT,RAD1,RAD2):
DIV = 36
HOLE_RADIUS = HOLE_DIA * 0.5
HEAD_RADIUS = HEAD_DIA * 0.5
SHANK_RADIUS = SHANK_DIA * 0.5
verts = []
faces = []
Row = 0
BEVEL = HEIGHT * 0.01
FaceStart = len(verts)
verts.append([HOLE_RADIUS,0.0,0.0])
Row += 1
# rad
for i in range(0,100,10):
x = sin(radians(i))*RAD1
z = cos(radians(i))*RAD1
verts.append([(HEAD_RADIUS-RAD1)+x,0.0,(0.0-RAD1)+z])
Row += 1
verts.append([HEAD_RADIUS,0.0,0.0-HEIGHT+BEVEL])
Row += 1
verts.append([HEAD_RADIUS-BEVEL,0.0,0.0-HEIGHT])
Row += 1
# rad2
for i in range(0,100,10):
x = sin(radians(i))*RAD2
z = cos(radians(i))*RAD2
verts.append([(SHANK_RADIUS+RAD2)-x,0.0,(0.0-HEIGHT-RAD2)+z])
Row += 1
sVerts,sFaces = SpinDup(verts,faces,360,DIV,'z')
# Add the start verts to the Spin verts to complete the loop.
sVerts.extend(verts)
faces.extend(Build_Face_List_Quads(FaceStart,Row-1,DIV))
return sVerts,faces,HEIGHT+RAD2
# FLAT := flat to flat distance
def Create_Square_Head(FLAT_DIA, HOLE_DIA, SHANK_DIA, HEIGHT):
return create_geometry_head(FLAT_DIA, HOLE_DIA, SHANK_DIA, HEIGHT, 90)
def Create_Hex_Head(FLAT_DIA, HOLE_DIA, SHANK_DIA, HEIGHT):
return create_geometry_head(FLAT_DIA, HOLE_DIA, SHANK_DIA, HEIGHT, 60)
def create_geometry_head(FLAT_DIA, HOLE_DIA, SHANK_DIA, HEIGHT, arc_deg):
verts = []
faces = []
hole_r = HOLE_DIA * 0.5
FLAT_RADIUS = FLAT_DIA / 2
factor = HEIGHT / 100 / 8 # / 100 because modeling with 1m := 1mm according to worlddevelopment standards
TopBevelRadius = FLAT_RADIUS - FLAT_RADIUS * factor
Undercut_Height = FLAT_RADIUS * factor
#Undercut_Height = 5
Shank_Bevel = FLAT_RADIUS * factor
Flat_Height = HEIGHT - Undercut_Height - Shank_Bevel
# TODO Make bevel relative to head height.
#print("Factor: %s; Flat Height %s = HEIGHT %s - Undercut_Height %s - Shank_Bevel %s" % (factor, Flat_Height, HEIGHT, Undercut_Height, Shank_Bevel))
SHANK_RADIUS = SHANK_DIA / 2
Row = 0;
verts.append([0.0,0.0,0.0])
FaceStart = len(verts)
# The following defines the bottom vertices of one half
# of one segment/arc of arc_deg degree.
# => verts_defined of deg / 2. e.g. 90/2 degree = 45 degree
# Inner hole
x = sin(radians(0)) * hole_r
y = cos(radians(0)) * hole_r
verts.append([x,y,0.0])
x = sin(radians(arc_deg/6)) * hole_r
y = cos(radians(arc_deg/6)) * hole_r
verts.append([x,y,0.0])
x = sin(radians(arc_deg/3)) * hole_r
y = cos(radians(arc_deg/3)) * hole_r
verts.append([x,y,0.0])
x = sin(radians(arc_deg/2)) * hole_r
y = cos(radians(arc_deg/2)) * hole_r
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(arc_deg/6))*TopBevelRadius
y = cos(radians(arc_deg/6))*TopBevelRadius
vec2 = mathutils.Vector([x,y,0.0])
verts.append([x,y,0.0])
x = sin(radians(arc_deg/3))*TopBevelRadius
y = cos(radians(arc_deg/3))*TopBevelRadius
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,0.0])
x = sin(radians(arc_deg/2))*TopBevelRadius
y = cos(radians(arc_deg/2))*TopBevelRadius
vec4 = mathutils.Vector([x,y,0.0])
verts.append([x,y,0.0])
Row += 1
# flat
x = tan(radians(0)) * FLAT_RADIUS
dvec = vec1 - mathutils.Vector([x,FLAT_RADIUS,0.0])
verts.append([x,FLAT_RADIUS,-dvec.length])
# due to bevel:
x = tan(radians(arc_deg/6)) * FLAT_RADIUS
dvec = vec2 - mathutils.Vector([x,FLAT_RADIUS,0.0])
z_min = -dvec.length
verts.append([x,FLAT_RADIUS,-dvec.length])
x = tan(radians(arc_deg/3)) * FLAT_RADIUS
dvec = vec3 - mathutils.Vector([x,FLAT_RADIUS,0.0])
z_min = min(z_min, -dvec.length)
verts.append([x,FLAT_RADIUS,-dvec.length])
x = tan(radians(arc_deg/2)) * FLAT_RADIUS
dvec = vec4 - mathutils.Vector([x,FLAT_RADIUS,0.0])
z_min = min(z_min, -dvec.length)
verts.append([x,FLAT_RADIUS,-dvec.length])
Row += 1
# down Bits Tri
x = tan(radians(0)) * FLAT_RADIUS
verts.append([x,FLAT_RADIUS,z_min])
x = tan(radians(arc_deg/6)) * FLAT_RADIUS
verts.append([x,FLAT_RADIUS,z_min])
x = tan(radians(arc_deg/3)) * FLAT_RADIUS
verts.append([x,FLAT_RADIUS,z_min])
x = tan(radians(arc_deg/2)) * FLAT_RADIUS
verts.append([x,FLAT_RADIUS,z_min])
Row += 1
# down Bits
x = tan(radians(0)) * FLAT_RADIUS
verts.append([x,FLAT_RADIUS,-Flat_Height])
x = tan(radians(arc_deg/6)) * FLAT_RADIUS
verts.append([x,FLAT_RADIUS,-Flat_Height])
x = tan(radians(arc_deg/3)) * FLAT_RADIUS
verts.append([x,FLAT_RADIUS,-Flat_Height])
x = tan(radians(arc_deg/2)) * FLAT_RADIUS
verts.append([x,FLAT_RADIUS,-Flat_Height])
Row += 1
# under cut
x = sin(radians(0)) * FLAT_RADIUS
y = cos(radians(0)) * FLAT_RADIUS
vec1 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height])
x = sin(radians(arc_deg/6)) * FLAT_RADIUS
y = cos(radians(arc_deg/6)) * FLAT_RADIUS
vec2 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height])
x = sin(radians(arc_deg/3)) * FLAT_RADIUS
y = cos(radians(arc_deg/3)) * FLAT_RADIUS
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height])
x = sin(radians(arc_deg/2)) * FLAT_RADIUS
y = cos(radians(arc_deg/2)) * FLAT_RADIUS
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height])
Row += 1
# under cut down bit
x = sin(radians(0)) * FLAT_RADIUS
y = cos(radians(0)) * FLAT_RADIUS
vec1 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height])
x = sin(radians(arc_deg/6)) * FLAT_RADIUS
y = cos(radians(arc_deg/6)) * FLAT_RADIUS
vec2 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height])
x = sin(radians(arc_deg/3)) * FLAT_RADIUS
y = cos(radians(arc_deg/3)) * FLAT_RADIUS
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height])
x = sin(radians(arc_deg/2)) * FLAT_RADIUS
y = cos(radians(arc_deg/2)) * FLAT_RADIUS
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height])
Row += 1
# under cut to Shank BEVEAL
x = sin(radians(0))*(SHANK_RADIUS+Shank_Bevel)
y = cos(radians(0))*(SHANK_RADIUS+Shank_Bevel)
vec1 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height])
x = sin(radians(arc_deg/6))*(SHANK_RADIUS+Shank_Bevel)
y = cos(radians(arc_deg/6))*(SHANK_RADIUS+Shank_Bevel)
vec2 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height])
x = sin(radians(arc_deg/3))*(SHANK_RADIUS+Shank_Bevel)
y = cos(radians(arc_deg/3))*(SHANK_RADIUS+Shank_Bevel)
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height])
x = sin(radians(arc_deg/2))*(SHANK_RADIUS+Shank_Bevel)
y = cos(radians(arc_deg/2))*(SHANK_RADIUS+Shank_Bevel)
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height])
Row += 1
#under cut to Shank BEVEAL
x = sin(radians(0))*SHANK_RADIUS
y = cos(radians(0))*SHANK_RADIUS
vec1 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height-Shank_Bevel])
x = sin(radians(arc_deg/6))*SHANK_RADIUS
y = cos(radians(arc_deg/6))*SHANK_RADIUS
vec2 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height-Shank_Bevel])
x = sin(radians(arc_deg/3))*SHANK_RADIUS
y = cos(radians(arc_deg/3))*SHANK_RADIUS
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height-Shank_Bevel])
x = sin(radians(arc_deg/2))*SHANK_RADIUS
y = cos(radians(arc_deg/2))*SHANK_RADIUS
vec3 = mathutils.Vector([x,y,0.0])
verts.append([x,y,-Flat_Height-Undercut_Height-Shank_Bevel])
Row += 1
#Global_Head_Height = 0 - (-HEIGHT-0.1)
faces.extend(Build_Face_List_Quads(FaceStart,3,Row - 1))
Mirror_Verts,Mirror_Faces = Mirror_Verts_Faces(verts,faces,'y')
verts.extend(Mirror_Verts)
faces.extend(Mirror_Faces)
Spin_Verts,Spin_Faces = SpinDup(verts,faces,360,360/arc_deg,'z')
return Spin_Verts,Spin_Faces,0 - (-HEIGHT)
####### Create External Thread
def Thread_Start3(verts,INNER_RADIUS,OUTTER_RADIUS,PITCH,DIV,CREST_PERCENT,ROOT_PERCENT,Height_Offset):
Ret_Row = 0;
#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
# Thread start
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))