functions.py 文件源码

def unwrap_with_bounds(obj,uv_idx):
    bpy.ops.object.mode_set(mode="EDIT")
    me = obj.data
    bm = bmesh.from_edit_mesh(me)
    bm.verts.ensure_lookup_table()
    uv_layer = bm.loops.layers.uv[uv_idx]
    scale_x = 1.0 / get_local_dimension(obj)[0] * obj.coa_tiles_x
    scale_z = 1.0 / get_local_dimension(obj)[1] * obj.coa_tiles_y
    offset = [get_local_dimension(obj)[2][0] * scale_x , get_local_dimension(obj)[2][1] * scale_z]
    for i,v in enumerate(bm.verts):
        for l in v.link_loops:
            uv_data = l[uv_layer]
            uv_data.uv[0] = (bm.verts[i].co[0] * scale_x) - offset[0]
            uv_data.uv[1] = (bm.verts[i].co[2] * scale_z)+1 - offset[1]

    bmesh.update_edit_mesh(me)
    bm.free()
    bpy.ops.object.mode_set(mode="OBJECT")