+void
+CloudParticleSystem::parse(LispReader& reader)
+{
+ reader.read_int("layer", layer);
+}
+
+void
+CloudParticleSystem::write(LispWriter& writer)
+{
+ writer.start_list("particles-clouds");
+ writer.write_int("layer", layer);
+ writer.end_list("particles-clouds");
+}
+