space_view3d_enhanced_3d_cursor.py 文件源码

def make_normal_snapshot(self, scene, tangential=False):
        settings = find_settings()
        tfm_opts = settings.transform_options

        dest_point = self.particles[0].get_location()

        if self.is_normal_visible():
            p0, x, y, z, _x, _z = \
                self.get_normal_params(tfm_opts, dest_point)

            snapshot = bpy.data.objects.new("normal_snapshot", None)

            if tangential:
                m = MatrixCompose(_z, y, x, p0)
            else:
                m = MatrixCompose(_x, y, z, p0)
            snapshot.matrix_world = m

            snapshot.empty_draw_type = 'SINGLE_ARROW'
            #snapshot.empty_draw_type = 'ARROWS'
            #snapshot.layers = [True] * 20 # ?
            scene.objects.link(snapshot)
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