jv_utils.py 文件源码

def random_uvs(self, context):
    import bpy
    import bmesh
    from mathutils import Vector
    from random import uniform
    bpy.ops.object.editmode_toggle()
    bpy.ops.mesh.select_all(action="SELECT")
    obj = bpy.context.object
    me = obj.data
    bm = bmesh.from_edit_mesh(me)

    uv_layer = bm.loops.layers.uv.verify()
    bm.faces.layers.tex.verify()
    # adjust UVs
    for f in bm.faces:
        offset = Vector((uniform(-1.0, 1.0), uniform(-1.0, 1.0)))
        for v in f.loops:
            luv = v[uv_layer]
            luv.uv = (luv.uv + offset).xy

    bmesh.update_edit_mesh(me)
    bpy.ops.object.editmode_toggle()