From b5896e2d7597e42818a47710da22098d178bf8f6 Mon Sep 17 00:00:00 2001
From: tom barrett <spalf0@gmail.com>
Date: Tue, 27 Feb 2018 06:59:58 -0600
Subject: -now use velocity and position vector, astroids are now randomly
 populated

---
 src/astroid.rs | 47 +++++++++++++++++++++++++++++++++++------------
 1 file changed, 35 insertions(+), 12 deletions(-)

(limited to 'src/astroid.rs')

diff --git a/src/astroid.rs b/src/astroid.rs
index 6aa1807..fb14751 100644
--- a/src/astroid.rs
+++ b/src/astroid.rs
@@ -1,35 +1,58 @@
 use mass::{Mass, Type};
+extern crate rand;
+use self::rand::distributions::Range;
+use astroid::rand::distributions::Sample;
 extern crate serde_json;
+use astroid::rand::Rng;
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct Astroid {
     name        : String,
     t           : Type,
-    location    : (f64, f64, f64),
+    position    : (f64, f64, f64),
+    velocity    : (f64, f64, f64),
 }
 
-impl Mass for Astroid {
-    fn new(name : &str, location : (f64, f64, f64)) -> Astroid {
+impl Astroid {
+    pub fn new() -> Astroid {
+        let name : String = rand::thread_rng()
+                            .gen_ascii_chars()
+                            .take(8)
+                            .collect();
+        let mut r = Range::new(-50.0, 50.0);
+        let mut rng = rand::thread_rng();
+        let position = (r.sample(&mut rng), r.sample(&mut rng), r.sample(&mut rng));
         Astroid {
-            name : String::from(name),
-            t : Type::Astroid,
-            location : location,
+            name        : name,
+            t           : Type::Astroid,
+            position    : position,
+            velocity    : (0.0, 0.0, 0.0),
         }
     }
+}
 
+impl Mass for Astroid {
     fn name(&self) -> &String {
         &self.name
     }
 
-    fn location(&self) -> (f64, f64, f64) {
-        self.location
-    }
-
-    fn set_location(&mut self, location : (f64, f64, f64)) {
-        self.location = location;
+    fn position(&self) -> (f64, f64, f64) {
+        self.position
     }
 
     fn serialize(&self) ->String {
         serde_json::to_string(self).unwrap()
     }
+
+    fn process(&mut self) {
+        self.position.0 += self.velocity.0;
+        self.position.1 += self.velocity.1;
+        self.position.2 += self.velocity.2;
+    }
+
+    fn give_acceleration(&mut self, acceleration : (f64, f64, f64)) {
+        self.velocity.0 += acceleration.0;
+        self.velocity.1 += acceleration.1;
+        self.velocity.2 += acceleration.2;
+    }
 }
-- 
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