Blender addon to distribute objects along an axis

distribute.py

#
#    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 3 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, see <https://www.gnu.org/licenses/>.
############################################################################

# Installation info
#
# Download file somewhere to your computer.
# In Blender go to edit > preferences > addons 
# Click install and select the file.
# This copies the file to Blender so you may delete the original

bl_info = {
    "name": "Distribute Objects",
    "description": "Distribute objects along an axis",
    "author": "Jake Coxon",
    "version": (0, 1, 0, 20201224),
    "blender": (2, 91, 0),
    "category": "UI"
}
import bpy
import mathutils
import math
from functools import partial
from bpy.props import *
from mathutils import Vector, Matrix


class DistributeObjectsOperator(bpy.types.Operator):
    bl_idname = "distribute.distributeobjects"
    bl_label = "Distribute Objects"
    bl_options = {'REGISTER', 'UNDO'}

    axis: EnumProperty(
        name="Axis",
        description="Axis selection",
        items= [('x', "X", ""),('y', "Y", ""),('z', "Z","")],
        default='x'
    )
    margin: bpy.props.FloatProperty(name="Margin")

    def execute(self, contecxt):
        objs = bpy.context.selected_objects
        MD = 0
        if len(objs) <= 1:
            return {'CANCELLED'}
        
        first = objs[0]
        gap = abs(self.margin)
        direction = Vector((0, 0, 0))
        setattr(direction, self.axis, 1)
        if self.margin < 0:
            direction *= -1

        def axis(vec):
            return getattr(vec, self.axis)

        def point_to_world_coords(obj, t):
            return obj.matrix_world @ Vector((*t, 0))

        def world_bounds(obj):
            return [axis(point_to_world_coords(obj, q)) for q in obj.bound_box]

        new_position = first.location + direction * min(world_bounds(first))
        
        for obj in objs:
            new_position -= direction * min(world_bounds(obj))
            obj.location = new_position
            new_position += direction * (max(world_bounds(obj)) + gap)
        return {'FINISHED'}


    def invoke(self, context, event):
        if len(context.selected_objects) <= 1:
            self.report({'WARNING'}, "Not enough objects selected")
            return {'CANCELLED'}

        self.execute(context)
        return context.window_manager.invoke_props_popup(self, event)

def menu_func(self, context):
    self.layout.operator(DistributeObjectsOperator.bl_idname)

def register():
    bpy.types.VIEW3D_MT_object.append(menu_func)
    bpy.utils.register_class(DistributeObjectsOperator)

def unregister():
    bpy.types.VIEW3D_MT_object.remove(menu_func)
    bpy.utils.unregister_class(DistributeObjectsOperator)

if __name__ == "__main__":
    register()

Hey @JakeCoxon, I feel very silly asking this, but how do you actually pull up the UI to use the tool..... Download went smoothly but actually accessing the tool is proving to be difficult

You and me both... I just started using blender and I was missing the option to evenly space out objects.. Somehow came acros this handy dandy script that would allow me to, but I have no idea how to use it :/

There is nothing in my sidebars, submenus, contextmenus, nothing. I feel extremely dumb.

Hey @JakeCoxon, I feel very silly asking this, but how do you actually pull up the UI to use the tool..... Download went smoothly but actually accessing the tool is proving to be difficult

it's here for me