refactored main to make room for clock

src/main.rs

@@ -57,7 +57,23 @@ fn init_env() -> Environment {
     }
 }
 
-fn main() {
+fn write_canvas_to_file(canvas: Canvas, file_path: &str) {
+    let ppm = canvas.to_ppm();
+
+    let mut f = match File::create(file_path) {
+        Ok(f) => f,
+        Err(e) => panic!("file error. {}", e),
+    };
+
+    let _ = match f.write_all(ppm.as_bytes()) {
+        Ok(w) => w,
+        Err(e) => panic!("did not write. {}", e),
+    };
+
+
+}
+
+fn before_clock() {
     let env = init_env();
 
     let mut ball = Projectile::new(
@@ -95,19 +111,7 @@ fn main() {
         }
     }
 
-    let ppm = canvas.to_ppm();
+    write_canvas_to_file(canvas, "out.ppm");
-
-    let mut f = match File::create("out.ppm") {
-        Ok(f) => f,
-        Err(e) => panic!("file error. {}", e),
-    };
-
-    let _ = match f.write_all(ppm.as_bytes()) {
-        Ok(w) => w,
-        Err(e) => panic!("did not write. {}", e),
-    };
-
-
     let i = Matrix::identity(4);
     println!("The identity matrix is: {:#?}", i);
     let inverse_i = i.inverse();
@@ -140,3 +144,7 @@ fn main() {
     println!("{:?}", id);
     println!("{:?}", q);
 }
+
+fn main() {
+    before_clock();
+}