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-rw-r--r--add_curve_torus_knots.py320
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diff --git a/add_curve_torus_knots.py b/add_curve_torus_knots.py
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--- a/add_curve_torus_knots.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 #####
-
-
-bl_addon_info = {
- "name": "Torus Knots",
- "author": "testscreenings",
- "version": (0,1),
- "blender": (2, 5, 3),
- "api": 31667,
- "location": "View3D > Add > Curve",
- "description": "Adds many types of knots",
- "warning": "",
- "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
- "Scripts/Curve/Torus_Knot",
- "tracker_url": "https://projects.blender.org/tracker/index.php?"\
- "func=detail&aid=22403&group_id=153&atid=469",
- "category": "Add Curve"}
-
-
-##------------------------------------------------------------
-#### import modules
-import bpy
-from bpy.props import *
-from mathutils import *
-from math import *
-
-##------------------------------------------------------------
-# calculates the matrix for the new object
-# depending on user pref
-def align_matrix(context):
- loc = Matrix.Translation(context.scene.cursor_location)
- obj_align = context.user_preferences.edit.object_align
- if (context.space_data.type == 'VIEW_3D'
- and obj_align == 'VIEW'):
- rot = context.space_data.region_3d.view_matrix.rotation_part().invert().resize4x4()
- else:
- rot = Matrix()
- align_matrix = loc * rot
- return align_matrix
-
-##------------------------------------------------------------
-#### Curve creation functions
-
-# get array of vertcoordinates acording to splinetype
-def vertsToPoints(Verts):
- vertArray = []
-
- for v in Verts:
- vertArray += v
- vertArray.append(1) #for nurbs w=1
-
- return vertArray
-
-# create new CurveObject from vertarray and splineType
-def createCurve(vertArray, props, align_matrix):
- # options to vars
- splineType = 'NURBS'
- name = 'Torus_Knot'
-
- # create curve
- scene = bpy.context.scene
- newCurve = bpy.data.curves.new(name, type = 'CURVE') # curvedatablock
- newSpline = newCurve.splines.new(type = splineType) # spline
-
- # create spline from vertarray
- newSpline.points.add(int(len(vertArray)*0.25 - 1))
- newSpline.points.foreach_set('co', vertArray)
- newSpline.use_endpoint_u = True
-
- # Curve settings
- newCurve.dimensions = '3D'
- newSpline.use_cyclic_u = True
- newSpline.use_endpoint_u = True
- newSpline.order_u = 4
-
- if props.geo_surf:
- newCurve.bevel_depth = props.geo_bDepth
- newCurve.bevel_resolution = props.geo_bRes
- newCurve.use_fill_front = False
- newCurve.use_fill_back = False
- newCurve.extrude = props.geo_extrude
- newCurve.offset = props.geo_width
- newCurve.resolution_u = props.geo_res
-
- # create object with newCurve
- new_obj = bpy.data.objects.new(name, newCurve) # object
- scene.objects.link(new_obj) # place in active scene
- new_obj.select = True # set as selected
- scene.objects.active = new_obj # set as active
- new_obj.matrix_world = align_matrix # apply matrix
-
- return
-
-########################################################################
-####################### Knot Definitions ###############################
-########################################################################
-
-#### TORUS KNOT
-def Torus_Knot_Curve(p=2, q=3, w=1, res=24, formula=0, h=1, u=1 ,v=1, rounds=2):
- newPoints = []
- angle = 2*rounds
- step = angle/(res-1)
- scale = h
- height = w
-
- for i in range(res-1):
- t = ( i*step*pi)
-
- x = (2 * scale + cos((q*t)/p*v)) * cos(t * u)
- y = (2 * scale + cos((q*t)/p*v)) * sin(t * u)
- z = sin(q*t/p) * height
-
- newPoints.append([x,y,z])
-
- return newPoints
-
-##------------------------------------------------------------
-# Main Function
-def main(context, props, align_matrix):
- # deselect all objects
- bpy.ops.object.select_all(action='DESELECT')
-
- # get verts
- verts = Torus_Knot_Curve(props.torus_p,
- props.torus_q,
- props.torus_w,
- props.torus_res,
- props.torus_formula,
- props.torus_h,
- props.torus_u,
- props.torus_v,
- props.torus_rounds)
-
- # turn verts into array
- vertArray = vertsToPoints(verts)
-
- # create object
- createCurve(vertArray, props, align_matrix)
-
- return
-
-class torus_knot_plus(bpy.types.Operator):
- ''''''
- bl_idname = "torus_knot_plus"
- bl_label = "Torus Knot +"
- bl_options = {'REGISTER', 'UNDO'}
- bl_description = "adds many types of knots"
-
- # align_matrix for the invoke
- align_matrix = Matrix()
-
- #### general options
- options_plus = BoolProperty(name="plus options",
- default=False,
- description="Show more options (the plus part).")
-
- #### GEO Options
- geo_surf = BoolProperty(name="Surface",
- default=True)
- geo_bDepth = FloatProperty(name="bevel",
- default=0.08,
- min=0, soft_min=0)
- geo_bRes = IntProperty(name="bevel res",
- default=2,
- min=0, soft_min=0,
- max=4, soft_max=4)
- geo_extrude = FloatProperty(name="extrude",
- default=0.0,
- min=0, soft_min=0)
- geo_width = FloatProperty(name="width",
- default=1.0,
- min=0, soft_min=0)
- geo_res = IntProperty(name="resolution",
- default=12,
- min=1, soft_min=1)
-
-
- #### Parameters
- torus_res = IntProperty(name="Resoulution",
- default=200,
- min=3, soft_min=3,
- description='Resolution, Number of controlverticies.')
- torus_p = IntProperty(name="p",
- default=2,
- min=1, soft_min=1,
- #max=1, soft_max=1,
- description="p")
- torus_q = IntProperty(name="q",
- default=3,
- min=1, soft_min=1,
- #max=1, soft_max=1,
- description="q")
- torus_w = FloatProperty(name="Height",
- default=1,
- #min=0, soft_min=0,
- #max=1, soft_max=1,
- description="Height in Z")
- torus_h = FloatProperty(name="Scale",
- default=1,
- #min=0, soft_min=0,
- #max=1, soft_max=1,
- description="Scale, in XY")
- torus_u = IntProperty(name="u",
- default=1,
- min=1, soft_min=1,
- #max=1, soft_max=1,
- description="u")
- torus_v = IntProperty(name="v",
- default=1,
- min=1, soft_min=1,
- #max=1, soft_max=1,
- description="v")
- torus_formula = IntProperty(name="Variation",
- default=0,
- min=0, soft_min=0,
- max=10, soft_max=10)
- torus_rounds = IntProperty(name="Rounds",
- default=2,
- min=1, soft_min=1,
- #max=1, soft_max=1,
- description="Rounds")
-
- ##### DRAW #####
- def draw(self, context):
- props = self.properties
- layout = self.layout
-
- # general options
- col = layout.column()
- #col.prop(props, 'KnotType') waits for more knottypes
- col.label(text="Torus Knot Parameters")
-
- # Parameters
- box = layout.box()
- box.prop(props, 'torus_res')
- box.prop(props, 'torus_w')
- box.prop(props, 'torus_h')
- box.prop(props, 'torus_p')
- box.prop(props, 'torus_q')
- box.prop(props, 'options_plus')
- if props.options_plus:
- box.prop(props, 'torus_u')
- box.prop(props, 'torus_v')
- box.prop(props, 'torus_rounds')
-
- # surface Options
- col = layout.column()
- col.label(text="Geometry Options")
- box = layout.box()
- box.prop(props, 'geo_surf')
- if props.geo_surf:
- box.prop(props, 'geo_bDepth')
- box.prop(props, 'geo_bRes')
- box.prop(props, 'geo_extrude')
- #box.prop(props, 'geo_width') # not really good
- box.prop(props, 'geo_res')
-
- ##### POLL #####
- @classmethod
- def poll(cls, context):
- return context.scene != None
-
- ##### EXECUTE #####
- def execute(self, context):
- # turn off undo
- undo = bpy.context.user_preferences.edit.use_global_undo
- bpy.context.user_preferences.edit.use_global_undo = False
-
- props = self.properties
-
- if not props.options_plus:
- props.torus_rounds = props.torus_p
-
- # main function
- main(context, props, self.align_matrix)
-
- # restore pre operator undo state
- bpy.context.user_preferences.edit.use_global_undo = undo
-
- return {'FINISHED'}
-
- ##### INVOKE #####
- def invoke(self, context, event):
- # store creation_matrix
- self.align_matrix = align_matrix(context)
- self.execute(context)
-
- return {'FINISHED'}
-
-################################################################################
-##### REGISTER #####
-
-def torus_knot_plus_button(self, context):
- self.layout.operator(torus_knot_plus.bl_idname, text="Torus Knot +", icon="PLUGIN")
-
-
-def register():
- bpy.types.INFO_MT_curve_add.append(torus_knot_plus_button)
-
-def unregister():
- bpy.types.INFO_MT_curve_add.remove(torus_knot_plus_button)
-
-if __name__ == "__main__":
- register()
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-09 04:33:06 +0300