# ##### 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 ##### # # # Author: Sebastian Schneider # Web: http://www.noeol.de/attractors # # Update: Jul/09/2011 # # tested with: # Blender 2.5.8.1 r38019 # MacOS 10.5.8 (64-Bit Intel) # bl_info = { 'name': "Strange Attractors", 'author': "Sebastian Schneider ", 'version': (0, 3), 'blender': (2, 5, 8), 'api': 38019, 'location': "View3D > Add > Mesh > Attractors", 'description': "Adds an strange attractor mesh", 'warning': "", 'wiki_url': "", 'tracker_url': "", 'category': "Add Mesh"} import bpy import math from bpy.props import FloatProperty, BoolProperty, FloatVectorProperty, IntProperty # # Add a Peter de Jong Attractor mesh # class AddPeterDeJongAttractor(bpy.types.Operator): '''Add a Peter de Jong attractor mesh''' bl_idname = "mesh.peter_de_jong_attractor_add" bl_label = "Peter de Jong Attractor" bl_options = {'REGISTER', 'UNDO'} # max vertices/points max = IntProperty(attr="max_vertices",name="Vertices", description='', min=1, soft_min=1, default=10000) # values a = bpy.props.FloatProperty(attr="dejong_a",name='a',description='',default= 1.4) b = bpy.props.FloatProperty(attr="dejong_b",name='b',description='',default= -2.1) c = bpy.props.FloatProperty(attr="dejong_c",name='c',description='',default= 2.4) d = bpy.props.FloatProperty(attr="dejong_d",name='d',description='',default= -2.1) # fake 3-D (default = 0.0 = 2-D) e = bpy.props.FloatProperty(attr="dejong_e",name='e',description='',default= 0.0) # generic transform props view_align = BoolProperty(name="Align to View",default=False) location = FloatVectorProperty(name="Location",subtype='TRANSLATION') rotation = FloatVectorProperty(name="Rotation",subtype='EULER') def draw(self, context): layout = self.layout row = layout.row() row.prop(self, "max", text="Vertices") col = layout.column(align=True) col.prop(self, "a", text="a") col.prop(self, "b", text="b") col.prop(self, "c", text="c") col.prop(self, "d", text="d") row = layout.row() row.prop(self, "e", text="z") def execute(self, context): # create a new attractor mesh = bpy.data.meshes.new('Attractor') mesh.vertices.add(self.max) #import add_object_utils # 2.57 #add_object_utils.object_data_add(context, mesh, operator=self) from bpy_extras import object_utils # 2.58 object_utils.object_data_add(context, mesh, operator=None) # start at x = 0.1 y = 0.0 # loop to set the vertices/points itr = 0 while itr < self.max: # Peter de Jong: new_x = math.sin(self.a*y)-math.cos(self.b*x) new_y = math.sin(self.c*x)-math.cos(self.d*y) new_z = self.e*math.sin(x) x = new_x y = new_y z = new_z mesh.vertices[itr].co = (x,y,z) itr += 1 # add the halo material add_halo_material() return {'FINISHED'} # # Add a Clifford Attractor mesh # class AddCliffordAttractor(bpy.types.Operator): '''Add a Clifford attractor mesh''' bl_idname = "mesh.clifford_attractor_add" bl_label = "Clifford Attractor" bl_options = {'REGISTER', 'UNDO'} # max vertices/points max = IntProperty(attr="max_vertices",name="Vertices", description='', min=1, soft_min=1, default=10000) # values a = bpy.props.FloatProperty(attr="clifford_a",name='a',description='',default= 3.0) b = bpy.props.FloatProperty(attr="clifford_b",name='b',description='',default= 9.0) c = bpy.props.FloatProperty(attr="clifford_c",name='c',description='',default= 4.0) d = bpy.props.FloatProperty(attr="clifford_d",name='d',description='',default= -4.0) # fake 3-D (default = 0.0 = 2-D) e = bpy.props.FloatProperty(attr="clifford_e",name='e',description='',default= 0.0) # generic transform props view_align = BoolProperty(name="Align to View",default=False) location = FloatVectorProperty(name="Location",subtype='TRANSLATION') rotation = FloatVectorProperty(name="Rotation",subtype='EULER') def draw(self, context): layout = self.layout row = layout.row() row.prop(self, "max", text="Vertices") col = layout.column(align=True) col.prop(self, "a", text="a") col.prop(self, "b", text="b") col.prop(self, "c", text="c") col.prop(self, "d", text="d") row = layout.row() row.prop(self, "e", text="z") def execute(self, context): # create a new attractor mesh = bpy.data.meshes.new('Attractor') mesh.vertices.add(self.max) #import add_object_utils # 2.57 #add_object_utils.object_data_add(context, mesh, operator=self) from bpy_extras import object_utils # 2.58 object_utils.object_data_add(context, mesh, operator=None) # start at x = 0.1 y = 0.0 # loop to set the vertices/points itr = 0 while itr < self.max: # Clifford: new_x = math.sin(self.a*y)+self.c*math.cos(self.a*x) new_y = math.sin(self.b*x)+self.d*math.cos(self.b*y) new_z = self.e*math.sin(x) x = new_x y = new_y z = new_z mesh.vertices[itr].co = (x,y,z) itr += 1 # add the halo material add_halo_material() return {'FINISHED'} # # Add a Lorenz Attractor mesh # class AddLorenzAttractor(bpy.types.Operator): '''Add a Lorenz attractor mesh''' bl_idname = "mesh.lorenz_attractor_add" bl_label = "Lorenz Attractor" bl_options = {'REGISTER', 'UNDO'} # max vertices/points max = IntProperty(attr="max_vertices",name="Vertices", description='', min=1, soft_min=1, default=10000) # values h = bpy.props.FloatProperty(attr="lorenz_h",name='h',description='',default= 0.01) a = bpy.props.FloatProperty(attr="lorenz_a",name='a',description='',default= 10.00) b = bpy.props.FloatProperty(attr="lorenz_b",name='b',description='',default= 28.00) c = bpy.props.FloatProperty(attr="lorenz_c",name='c',description='',default= (8/3)) # generic transform props view_align = BoolProperty(name="Align to View",default=False) location = FloatVectorProperty(name="Location",subtype='TRANSLATION') rotation = FloatVectorProperty(name="Rotation",subtype='EULER') def draw(self, context): layout = self.layout row = layout.row() row.prop(self, "max", text="Vertices") col = layout.column(align=True) col.prop(self, "h", text="h") col.prop(self, "a", text="a") col.prop(self, "b", text="b") col.prop(self, "c", text="c") def execute(self, context): # create a new attractor mesh = bpy.data.meshes.new('Attractor') mesh.vertices.add(self.max) #import add_object_utils # 2.57 #add_object_utils.object_data_add(context, mesh, operator=self) from bpy_extras import object_utils # 2.58 object_utils.object_data_add(context, mesh, operator=None) # start at x = 0.1 y = 0.0 z = 0.0 # loop to set the vertices/points itr = 0 while itr < self.max: # Lorenz: new_x = x + self.h * self.a * (y - x) new_y = y + self.h * (x * (self.b - z) - y) new_z = z + self.h * (x * y - self.c * z) x = new_x y = new_y z = new_z mesh.vertices[itr].co = (x,y,z) itr += 1 # scale down obj = bpy.context.active_object obj.scale[0] = 0.08 obj.scale[1] = 0.08 obj.scale[2] = 0.08 # add the halo material add_halo_material(0.016, (1,1,1)) return {'FINISHED'} # # Add a halo material # def add_halo_material(size=0.008, color=(1,1,1)): # check for existing halo material mat_exists = False for mat in bpy.data.materials: if(mat.name == 'Attractor Halo'): mat_exists = True if(mat_exists): # get the halo material obj = bpy.context.active_object mat = bpy.data.materials['Attractor Halo'] mat.diffuse_color = color haloMat = mat.halo haloMat.size = size obj.data.materials.append(mat) else: # create a new halo material obj = bpy.context.active_object mat = bpy.data.materials.new('Attractor Halo') mat.type = 'HALO' mat.diffuse_color = color haloMat = mat.halo haloMat.size = size haloMat.hardness = 127 obj.data.materials.append(mat) # # 3dView > add > mesh > 'Attractors' menu # class INFO_MT_mesh_attractor_add(bpy.types.Menu): bl_idname = "INFO_MT_mesh_attractor_add" bl_label = "Attractors" def draw(self, context): layout = self.layout layout.operator_context = 'INVOKE_REGION_WIN' layout.operator("mesh.peter_de_jong_attractor_add",text="Peter de Jong") layout.operator("mesh.clifford_attractor_add",text="Clifford") layout.operator("mesh.lorenz_attractor_add",text="Lorenz") # 3dview add menu def menu_func(self, context): self.layout.menu("INFO_MT_mesh_attractor_add", icon="PLUGIN") def register(): bpy.utils.register_module(__name__) bpy.types.INFO_MT_mesh_add.append(menu_func) def unregister(): bpy.utils.unregister_module(__name__) bpy.types.INFO_MT_mesh_add.remove(menu_func) if __name__ == "__main__": register()