139 lines
2.9 KiB
Python
139 lines
2.9 KiB
Python
import bpy
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import bmesh
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def add_box(width, height, depth):
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"""
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This function takes inputs and returns vertex and face arrays.
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no actual mesh data creation is done here.
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"""
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verts = [
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(+1.0, +1.0, -1.0),
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(+1.0, -1.0, -1.0),
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(-1.0, -1.0, -1.0),
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(-1.0, +1.0, -1.0),
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(+1.0, +1.0, +1.0),
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(+1.0, -1.0, +1.0),
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(-1.0, -1.0, +1.0),
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(-1.0, +1.0, +1.0),
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]
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faces = [
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(0, 1, 2, 3),
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(4, 7, 6, 5),
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(0, 4, 5, 1),
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(1, 5, 6, 2),
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(2, 6, 7, 3),
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(4, 0, 3, 7),
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]
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# apply size
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for i, v in enumerate(verts):
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verts[i] = v[0] * width, v[1] * depth, v[2] * height
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return verts, faces
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from bpy.props import (
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BoolProperty,
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BoolVectorProperty,
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FloatProperty,
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FloatVectorProperty,
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)
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class AddBox(bpy.types.Operator):
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"""Add a simple box mesh"""
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bl_idname = "mesh.primitive_box_add"
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bl_label = "Add Box"
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bl_options = {'REGISTER', 'UNDO'}
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width: FloatProperty(
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name="Width",
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description="Box Width",
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min=0.01, max=100.0,
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default=1.0,
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)
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height: FloatProperty(
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name="Height",
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description="Box Height",
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min=0.01, max=100.0,
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default=1.0,
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)
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depth: FloatProperty(
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name="Depth",
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description="Box Depth",
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min=0.01, max=100.0,
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default=1.0,
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)
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layers: BoolVectorProperty(
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name="Layers",
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description="Object Layers",
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size=20,
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options={'HIDDEN', 'SKIP_SAVE'},
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)
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# generic transform props
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view_align: BoolProperty(
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name="Align to View",
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default=False,
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)
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location: FloatVectorProperty(
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name="Location",
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subtype='TRANSLATION',
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)
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rotation: FloatVectorProperty(
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name="Rotation",
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subtype='EULER',
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)
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def execute(self, context):
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verts_loc, faces = add_box(
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self.width,
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self.height,
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self.depth,
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)
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mesh = bpy.data.meshes.new("Box")
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bm = bmesh.new()
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for v_co in verts_loc:
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bm.verts.new(v_co)
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bm.verts.ensure_lookup_table()
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for f_idx in faces:
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bm.faces.new([bm.verts[i] for i in f_idx])
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bm.to_mesh(mesh)
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mesh.update()
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# add the mesh as an object into the scene with this utility module
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from bpy_extras import object_utils
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object_utils.object_data_add(context, mesh, operator=self)
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return {'FINISHED'}
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def menu_func(self, context):
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self.layout.operator(AddBox.bl_idname, icon='MESH_CUBE')
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def register():
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bpy.utils.register_class(AddBox)
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bpy.types.VIEW3D_MT_mesh_add.append(menu_func)
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def unregister():
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bpy.utils.unregister_class(AddBox)
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bpy.types.VIEW3D_MT_mesh_add.remove(menu_func)
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if __name__ == "__main__":
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register()
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# test call
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bpy.ops.mesh.primitive_box_add()
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