Made Simulation struct

examples/particles/Cargo.toml

@@ -6,4 +6,4 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-hypoloop = "0.1.1"
+hypoloop = {version = "0.1.1", path = "D:/Code/hypoloop"}

examples/particles/src/main.rs

@@ -1,3 +1,9 @@
+use hypoloop::Simulation;
+
 fn main() {
-    hypoloop::run_simulation();
+    // create sim
+    let mut sim = Simulation::new();
+
+    // run sim
+    sim.run();
 }