chapter_1

Author: Jerboas86

Cargo.lock

@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+float_eq = "0.7"

Cargo.toml

@@ -1,3 +1,34 @@
+use crate::{
+    math::{Point, Vector},
+    sim::{Environment, Projectile, Simulator},
+};
+
+mod math;
+mod sim;
+
 fn main() {
-    println!("Hello, world!");
+    println!("Canon ball initialization...\n");
+
+    let env = Environment {
+        gravity: Vector::new(0., -0.1, 0.),
+        wind: Vector::new(-0.01, 0., 0.),
+    };
+    let proj = Projectile {
+        pos: Point::new(0., 1., 0.),
+        v: Vector::new(1., 1., 0.).normalize(),
+    };
+
+    let mut canon = Simulator::new(env, proj);
+
+    println!("Canon ball running...");
+
+    loop {
+        let new_proj = canon.tick();
+        println!("Still flying...");
+
+        if new_proj.pos.1 <= 0. {
+            println!("Hit ground !!!");
+            break;
+        }
+    }
 }