Added 3D possibility to body

simulator/src/main.rs

@@ -9,14 +9,14 @@ pub async fn run() {
         let mut sim = simulator.write().unwrap();
         sim.add_body(Body {
             name: "Sun".into(),
-            position: [0.0, 0.0],
-            velocity: [0.0, 0.0],
+            position: Vector3::new(0.0, 0.0, 0.0),
+            velocity: Vector3::new(0.0, 0.0, 0.0),
             mass: 1.989e30,
         });
         sim.add_body(Body {
             name: "Earth".into(),
-            position: [1.496e11, 0.0],
-            velocity: [0.0, 29780.0],
+            position: Vector3::new(1.496e11, 0.0, 0.0),
+            velocity: Vector3::new(0.0, 29780.0, 0.0),
             mass: 5.972e24,
         });
     }

solar_engine/src/body.rs

@@ -1,13 +1,15 @@
+use cgmath::Vector3;
+
 #[derive(Debug)]
 pub struct Body {
     pub name: String,
     pub mass: f64,
-    pub position: [f64; 2],
-    pub velocity: [f64; 2],
+    pub position: Vector3<f64>,
+    pub velocity: Vector3<f64>,
 }
 
 impl Body {
-    pub fn new(name: &str, mass: f64, position: [f64; 2], velocity: [f64; 2]) -> Self {
+    pub fn new(name: &str, mass: f64, position: Vector3<f64>, velocity: Vector3<f64>) -> Self {
         Self {
             name: name.to_string(),
             mass,

solar_engine/src/simulator.rs

@@ -1,4 +1,5 @@
 use std::sync::Mutex;
+use cgmath::Vector3;
 use crate::body::Body;
 use rayon::prelude::*;
 
@@ -36,8 +37,8 @@ impl Simulator {
 
         #[derive(Clone)]
         struct State {
-            position: [f64; 2],
-            velocity: [f64; 2],
+            position: Vector3<f64>,
+            velocity: Vector3<f64>,
         }
 
         let original_states: Vec<State> = self
@@ -96,14 +97,12 @@ impl Simulator {
             .iter()
             .enumerate()
             .map(|(i, s)| State {
-                position: [
-                    s.position[0] + k1_pos[i][0] * dt / 2.0,
-                    s.position[1] + k1_pos[i][1] * dt / 2.0,
-                ],
-                velocity: [
+                position: Vector3::new(s.position[0], s.position[1], 0.0),
+                velocity: Vector3::new(
                     s.velocity[0] + k1_vel[i][0] * dt / 2.0,
                     s.velocity[1] + k1_vel[i][1] * dt / 2.0,
-                ],
+                    0.0,
+                ),
             })
             .collect::<Vec<_>>();