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222 lines
10 KiB
Python
222 lines
10 KiB
Python
######################################################################################################
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# An simple add-on to auto cut in two and mirror an object #
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# Actualy partialy uncommented (see further version) #
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# Author: Lapineige #
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# License: GPL v3 #
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######################################################################################################
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############# Add-on description (used by Blender)
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bl_info = {
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"name": "Auto Mirror",
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"description": "Super fast cutting and mirroring for mesh",
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"author": "Lapineige",
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"version": (2, 4, 1),
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"blender": (2, 7, 1),
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"location": "View 3D > Toolbar > Tools tab > AutoMirror (panel)",
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"warning": "",
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"wiki_url": "https://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Modeling/AutoMirror",
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"tracker_url": "https://developer.blender.org/maniphest/task/edit/form/2/",
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"category": "Mesh"}
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import bpy
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from mathutils import Vector
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bpy.types.Scene.AutoMirror_axis = bpy.props.EnumProperty(items = [("x", "X", "", 1),
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("y", "Y", "", 2),
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("z", "Z", "", 3)],
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description="Axis used by the mirror modifier")
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bpy.types.Scene.AutoMirror_orientation = bpy.props.EnumProperty(items = [("positive","Positive", "", 1),
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("negative", "Negative", "", 2)],
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description="Choose the side along the axis of the editable part (+/- coordinates)")
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bpy.types.Scene.AutoMirror_threshold = bpy.props.FloatProperty(default= 0.001,
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min= 0.001,
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description="Vertices closer than this distance are merged on the loopcut")
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bpy.types.Scene.AutoMirror_toggle_edit = bpy.props.BoolProperty(default= True,
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description="If not in edit mode, change mode to edit")
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bpy.types.Scene.AutoMirror_cut = bpy.props.BoolProperty(default= True,
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description="If enabeled, cut the mesh in two parts and mirror it. If not, just make a loopcut")
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bpy.types.Scene.AutoMirror_clipping = bpy.props.BoolProperty(default=True)
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bpy.types.Scene.AutoMirror_use_clip = bpy.props.BoolProperty(default=True,
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description="Use clipping for the mirror modifier")
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bpy.types.Scene.AutoMirror_show_on_cage = bpy.props.BoolProperty(default=True,
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description="Enable to edit the cage (it's the classical modifier's option)")
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bpy.types.Scene.AutoMirror_apply_mirror = bpy.props.BoolProperty(description="Apply the mirror modifier (useful to symmetrise the mesh)")
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############### Operator
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class AlignVertices(bpy.types.Operator):
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""" """
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bl_idname = "object.align_vertices"
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bl_label = "Align Vertices on 1 Axis"
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@classmethod
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def poll(cls, context):
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return True
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def execute(self, context):
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bpy.ops.object.mode_set(mode = 'OBJECT')
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x1,y1,z1 = bpy.context.scene.cursor_location
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bpy.ops.view3d.snap_cursor_to_selected()
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x2,y2,z2 = bpy.context.scene.cursor_location
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bpy.context.scene.cursor_location[0],bpy.context.scene.cursor_location[1],bpy.context.scene.cursor_location[2] = 0,0,0
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#Vertices coordinate to 0 (local coordinate, so on the origin)
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for vert in bpy.context.object.data.vertices:
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if vert.select:
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if bpy.context.scene.AutoMirror_axis == 'x':
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axis = 0
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elif bpy.context.scene.AutoMirror_axis == 'y':
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axis = 1
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elif bpy.context.scene.AutoMirror_axis == 'z':
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axis = 2
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vert.co[axis] = 0
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#
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bpy.context.scene.cursor_location = x2,y2,z2
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bpy.ops.object.origin_set(type='ORIGIN_CURSOR')
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bpy.context.scene.cursor_location = x1,y1,z1
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bpy.ops.object.mode_set(mode = 'EDIT')
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return {'FINISHED'}
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class AutoMirror(bpy.types.Operator):
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""" Automatically cut an object along an axis """
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bl_idname = "object.automirror"
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bl_label = "AutoMirror"
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bl_options = {'REGISTER'} # 'UNDO' ?
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@classmethod
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def poll(cls, context):
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return True
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def draw(self, context):
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layout = self.layout
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if bpy.context.object and bpy.context.object.type == 'MESH':
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layout.prop(context.scene, "AutoMirror_axis", text="Mirror axis")
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layout.prop(context.scene, "AutoMirror_orientation", text="Orientation")
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layout.prop(context.scene, "AutoMirror_threshold", text="Threshold")
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layout.prop(context.scene, "AutoMirror_toggle_edit", text="Toggle edit")
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layout.prop(context.scene, "AutoMirror_cut", text="Cut and mirror")
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if bpy.context.scene.AutoMirror_cut:
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layout.prop(context.scene, "AutoMirror_clipping", text="Clipping")
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layout.prop(context.scene, "AutoMirror_apply_mirror", text="Apply mirror")
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else:
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layout.label(icon="ERROR", text="No mesh selected")
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def get_local_axis_vector(self, context, X, Y, Z, orientation):
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loc = context.object.location
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bpy.ops.object.mode_set(mode="OBJECT") # Needed to avoid to translate vertices
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v1 = Vector((loc[0],loc[1],loc[2]))
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bpy.ops.transform.translate(value=(X*orientation, Y*orientation, Z*orientation),
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constraint_axis=((X==1), (Y==1), (Z==1)),
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constraint_orientation='LOCAL')
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v2 = Vector((loc[0],loc[1],loc[2]))
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bpy.ops.transform.translate(value=(-X*orientation, -Y*orientation, -Z*orientation),
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constraint_axis=((X==1), (Y==1), (Z==1)),
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constraint_orientation='LOCAL')
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bpy.ops.object.mode_set(mode="EDIT")
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return v2-v1
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def execute(self, context):
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X,Y,Z = 0,0,0
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if bpy.context.scene.AutoMirror_axis == 'x':
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X = 1
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elif bpy.context.scene.AutoMirror_axis == 'y':
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Y = 1
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elif bpy.context.scene.AutoMirror_axis == 'z':
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Z = 1
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current_mode = bpy.context.object.mode # Save the current mode
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if bpy.context.object.mode != "EDIT":
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bpy.ops.object.mode_set(mode="EDIT") # Go to edit mode
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bpy.ops.mesh.select_all(action='SELECT') # Select all the vertices
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if bpy.context.scene.AutoMirror_orientation == 'positive':
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orientation = 1
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else:
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orientation = -1
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cut_normal = self.get_local_axis_vector(context, X, Y, Z, orientation)
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bpy.ops.mesh.bisect(plane_co=(bpy.context.object.location[0],
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bpy.context.object.location[1],
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bpy.context.object.location[2]),
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plane_no=cut_normal,
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use_fill= False,
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clear_inner= bpy.context.scene.AutoMirror_cut,
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clear_outer= 0,
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threshold= bpy.context.scene.AutoMirror_threshold) # Cut the mesh
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bpy.ops.object.align_vertices() # Use to align the vertices on the origin, needed by the "threshold"
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if not bpy.context.scene.AutoMirror_toggle_edit:
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bpy.ops.object.mode_set(mode=current_mode) # Reload previous mode
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if bpy.context.scene.AutoMirror_cut:
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bpy.ops.object.modifier_add(type='MIRROR') # Add a mirror modifier
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bpy.context.object.modifiers[-1].use_x = X # Choose the axis to use, based on the cut's axis
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bpy.context.object.modifiers[-1].use_y = Y
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bpy.context.object.modifiers[-1].use_z = Z
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bpy.context.object.modifiers[-1].use_clip = context.scene.AutoMirror_use_clip
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bpy.context.object.modifiers[-1].show_on_cage = context.scene.AutoMirror_show_on_cage
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if bpy.context.scene.AutoMirror_apply_mirror:
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bpy.ops.object.mode_set(mode='OBJECT')
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bpy.ops.object.modifier_apply(apply_as= 'DATA', modifier= bpy.context.object.modifiers[-1].name)
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if bpy.context.scene.AutoMirror_toggle_edit:
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bpy.ops.object.mode_set(mode='EDIT')
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else:
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bpy.ops.object.mode_set(mode=current_mode)
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return {'FINISHED'}
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#################### Panel
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class BisectMirror(bpy.types.Panel):
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""" The AutoMirror panel on the toolbar tab 'Tools' """
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bl_label = "Auto Mirror"
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bl_space_type = 'VIEW_3D'
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bl_region_type = 'TOOLS'
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bl_category = "Tools"
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def draw(self, context):
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layout = self.layout
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if bpy.context.object and bpy.context.object.type == 'MESH':
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layout.operator("object.automirror")
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layout.prop(context.scene, "AutoMirror_axis", text="Mirror Axis", expand=True)
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layout.prop(context.scene, "AutoMirror_orientation", text="Orientation")
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layout.prop(context.scene, "AutoMirror_threshold", text="Threshold")
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layout.prop(context.scene, "AutoMirror_toggle_edit", text="Toggle Edit")
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layout.prop(context.scene, "AutoMirror_cut", text="Cut and Mirror")
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if bpy.context.scene.AutoMirror_cut:
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row = layout.row()
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row.prop(context.scene, "AutoMirror_use_clip", text="Use Clip")
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row.prop(context.scene, "AutoMirror_show_on_cage", text="Editable")
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layout.prop(context.scene, "AutoMirror_apply_mirror", text="Apply Mirror")
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else:
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layout.label(icon="ERROR", text="No mesh selected")
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def register():
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bpy.utils.register_class(BisectMirror)
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bpy.utils.register_class(AutoMirror)
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bpy.utils.register_class(AlignVertices)
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def unregister():
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bpy.utils.unregister_class(BisectMirror)
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bpy.utils.unregister_class(AutoMirror)
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bpy.utils.unregister_class(AlignVertices)
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if __name__ == "__main__":
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register()
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