object_add_chain.py

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  18
  19 bl_info = {
  20     "name": "Add Chain",
  21     "author": "Brian Hinton (Nichod)",
  22     "version": (0, 1, 1),
  23     "blender": (2, 71, 0),
  24     "location": "Toolshelf > Create Tab",
  25     "description": "Adds Chain with curve guide for easy creation",
  26     "warning": "",
  27     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
  28         "Scripts/Object/Add_Chain",
  29     "category": "Object",
  30 }
  31
  32 import bpy
  33 from bpy.types import Operator, Panel
  34
  35 def Add_Chain():
  36     ##Adds Empty to scene
  37     bpy.ops.object.add(type='EMPTY',
  38                        view_align=False,
  39                        enter_editmode=False,
  40                        location=(0, 0, 0),
  41                        rotation=(0, 0, 0),
  42                        )
  43
  44     ##Changes name of Empty to rot_link adds variable emp
  45     emp = bpy.context.object
  46     emp.name = "rot_link"
  47
  48     ##Rotate emp ~ 90 degrees
  49     emp.rotation_euler = [1.570796, 0, 0]
  50
  51     ##Adds Curve Path to scene
  52     bpy.ops.curve.primitive_nurbs_path_add(view_align=False,
  53                                            enter_editmode=False,
  54                                            location=(0, 0, 0),
  55                                            rotation=(0, 0, 0),
  56                                            )
  57
  58     ##Change Curve name to deform adds variable curv
  59     curv = bpy.context.object
  60     curv.name = "deform"
  61
  62     ##Inserts Torus primitive
  63     bpy.ops.mesh.primitive_torus_add(major_radius=1,
  64                                      minor_radius=0.25,
  65                                      major_segments=12,
  66                                      minor_segments=4,
  67                                      abso_major_rad=1,
  68                                      abso_minor_rad=0.5,
  69                                      )
  70
  71     ##Positions Torus primitive to center of scene
  72     bpy.context.active_object.location = 0.0, 0.0, 0.0
  73
  74     ##Reseting Torus rotation in case of 'Align to view' option enabled
  75     bpy.context.active_object.rotation_euler = 0.0, 0.0, 0.0
  76
  77
  78     ##Changes Torus name to chain adds variable tor
  79     tor = bpy.context.object
  80     tor.name = "chain"
  81
  82     ##Adds Array Modifier to tor
  83     bpy.ops.object.modifier_add(type='ARRAY')
  84
  85     ##Adds subsurf modifier tor
  86     bpy.ops.object.modifier_add(type='SUBSURF')
  87
  88     ##Smooths tor
  89     bpy.ops.object.shade_smooth()
  90
  91     ##Select curv
  92     sce = bpy.context.scene
  93     sce.objects.active = curv
  94
  95     ##Toggle into editmode
  96     bpy.ops.object.editmode_toggle()
  97
  98     ## TODO, may be better to move objects directly.
  99     ##Translate curve object
 100     bpy.ops.transform.translate(value=(2, 0, 0),
 101                                 constraint_axis=(True, False, False),
 102                                 constraint_orientation='GLOBAL',
 103                                 mirror=False,
 104                                 proportional='DISABLED',
 105                                 proportional_edit_falloff='SMOOTH',
 106                                 proportional_size=1,
 107                                 snap=False,
 108                                 snap_target='CLOSEST',
 109                                 snap_point=(0, 0, 0),
 110                                 snap_align=False,
 111                                 snap_normal=(0, 0, 0),
 112                                 release_confirm=False,
 113                                 )
 114
 115     ##Toggle into objectmode
 116     bpy.ops.object.editmode_toggle()
 117
 118     ##Select tor or chain
 119     sce.objects.active = tor
 120
 121     ##Selects Array Modifier for editing
 122     array = tor.modifiers['Array']
 123
 124     ##Change Array Modifier Parameters
 125     array.fit_type = 'FIT_CURVE'
 126     array.curve = curv
 127     array.offset_object = emp
 128     array.use_object_offset = True
 129     array.relative_offset_displace = 0.549, 0.0, 0.0
 130
 131     ##Add curve modifier
 132     bpy.ops.object.modifier_add(type='CURVE')
 133
 134     ##Selects Curve Modifier for editing
 135     cur = tor.modifiers['Curve']
 136
 137     ##Change Curve Modifier Parameters
 138     cur.object = curv
 139
 140 class AddChain(bpy.types.Operator):
 141     """Add a Chain"""
 142     bl_idname = "mesh.primitive_chain_add"
 143     bl_label = "Add Chain"
 144     bl_options = {'REGISTER', 'UNDO'}
 145
 146     def execute(self, context):
 147         Add_Chain()
 148
 149         return {'FINISHED'}
 150
 151 class add_chain(Panel):
 152     bl_space_type = 'VIEW_3D'
 153     bl_region_type = 'TOOLS'
 154     bl_category = 'Create'
 155     bl_label = "Add Chain"
 156     bl_context = "objectmode"
 157     bl_options = {'DEFAULT_CLOSED'}
 158
 159     def draw(self, context):
 160         layout = self.layout
 161         layout.operator(AddChain.bl_idname, text="Chain")
 162
 163 def register():
 164     bpy.utils.register_module(__name__)
 165     pass
 166
 167 def unregister():
 168     bpy.utils.unregister_module(__name__)
 169     pass
 170
 171 if __name__ == "__main__":
 172     register()