edit_mesh.py 文件源码

def execute(self, context):
        scene = context.scene
        obj = context.active_object
        bm = bmesh.from_edit_mesh(obj.data)

        mult = 1
#        if context.scene.coa_distance_constraint:
#            mult = bpy.context.space_data.region_3d.view_distance*.05

        for edge in bm.edges:
            if edge.select:
                #scene.coa_distance = (obj.matrix_world * (edge.verts[0].co - edge.verts[1].co)).magnitude/mult# edge.calc_length()/mult        
                scene.coa_distance = ((edge.verts[0].co - edge.verts[1].co)).magnitude/mult# edge.calc_length()/mult        
        bmesh.update_edit_mesh(obj.data)    
        return {"FINISHED"}