-changed to floats and got vec type

1 files changed, 3 insertions, 3 deletions

diff --git a/src/mass.rs b/src/mass.rs
index 8c50348..0a49dc6 100644
--- a/src/mass.rs
+++ b/src/mass.rs
@@ -1,10 +1,10 @@
 use downcast::Any;
 
 pub trait Mass : Any {
-    fn new(name : &str, location : (isize, isize, isize)) -> Self where Self: Sized;
+    fn new(name : &str, location : (f64, f64, f64)) -> Self where Self: Sized;
     fn name(&self) -> &String;
-    fn location(&self) -> (isize, isize, isize);
-    fn set_location(&mut self, location : (isize, isize, isize));
+    fn location(&self) -> (f64, f64, f64);
+    fn set_location(&mut self, location : (f64, f64, f64));
     fn serialize(&self) -> String;
     fn deserialize(&mut self, data : &str);
 }