1 files changed, 10 insertions, 1 deletions
diff --git a/src/mass.rs b/src/mass.rs
index 30442ec..d6feb6c 100644
--- a/src/mass.rs
+++ b/src/mass.rs
@@ -7,9 +7,18 @@ pub trait Mass : Any {
     fn process(&mut self);
     fn slow(&mut self);
     fn give_acceleration(&mut self, acceleration : (f64, f64, f64));
+    fn box_clone(&self) -> Box<Mass>;
+    fn range(&self) -> f64;
+    fn give_target(&mut self, target : Option<usize>);
 }
 
-#[derive(Serialize, Deserialize, Debug)]
+impl Clone for Box<Mass> {
+    fn clone(&self) -> Box<Mass> {
+        self.box_clone()
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub enum Type {
     Ship,
     Astroid,