# ##### 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_info = { "name": "Torus Knots", "author": "testscreenings", "version": (0, 1), "blender": (2, 59, 0), "location": "View3D > Add > Curve", "description": "Adds many types of (torus) knots", "warning": "", "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/" "Scripts/Curve/Torus_Knot", "category": "Add Curve"} ''' ##------------------------------------------------------------ #### import modules import bpy from bpy.props import * from math import sin, cos, pi from bpy_extras.object_utils import AddObjectHelper, object_data_add ######################################################################## ####################### Knot Definitions ############################### ######################################################################## def Torus_Knot(self): p = self.torus_p q = self.torus_q w = self.torus_w res = self.torus_res h = self.torus_h u = self.torus_u v = self.torus_v rounds = self.torus_rounds 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.extend([x,y,z,1]) return newPoints ##------------------------------------------------------------ # Main Function def create_torus_knot(self, context): verts = Torus_Knot(self) curve_data = bpy.data.curves.new(name='Torus Knot', type='CURVE') spline = curve_data.splines.new(type='NURBS') spline.points.add(int(len(verts)*0.25 - 1)) spline.points.foreach_set('co', verts) spline.use_endpoint_u = True spline.use_cyclic_u = True spline.order_u = 4 curve_data.dimensions = '3D' if self.geo_surf: curve_data.bevel_depth = self.geo_bDepth curve_data.bevel_resolution = self.geo_bRes curve_data.fill_mode = 'FULL' curve_data.extrude = self.geo_extrude #curve_data.offset = self.geo_width # removed, somehow screws things up all of a sudden curve_data.resolution_u = self.geo_res new_obj = object_data_add(context, curve_data, operator=self) class torus_knot_plus(bpy.types.Operator, AddObjectHelper): """""" bl_idname = "curve.torus_knot_plus" bl_label = "Torus Knot +" bl_options = {'REGISTER', 'UNDO', 'PRESET'} bl_description = "adds many types of knots" #### 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_res = IntProperty(name="resolution", default=12, min=1, soft_min=1) #### Parameters torus_res = IntProperty(name="Resoulution", default=100, 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_rounds = IntProperty(name="Rounds", default=2, min=1, soft_min=1, #max=1, soft_max=1, description="Rounds") ##### DRAW ##### def draw(self, context): layout = self.layout # general options layout.label(text="Torus Knot Parameters:") # Parameters box = layout.box() box.prop(self, 'torus_res') box.prop(self, 'torus_w') box.prop(self, 'torus_h') box.prop(self, 'torus_p') box.prop(self, 'torus_q') box.prop(self, 'options_plus') if self.options_plus: box.prop(self, 'torus_u') box.prop(self, 'torus_v') box.prop(self, 'torus_rounds') # surface Options col = layout.column() col.label(text="Geometry Options:") box = layout.box() box.prop(self, 'geo_surf') if self.geo_surf: box.prop(self, 'geo_bDepth') box.prop(self, 'geo_bRes') box.prop(self, 'geo_extrude') box.prop(self, 'geo_res') col = layout.column() col.prop(self, 'location') col.prop(self, 'rotation') ##### 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 if not self.options_plus: self.torus_rounds = self.torus_p #recoded for add_utils create_torus_knot(self, context) # restore pre operator undo state bpy.context.user_preferences.edit.use_global_undo = undo return {'FINISHED'}