diff --git a/src/main.rs b/src/main.rs
index 232027c..812d121 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -53,8 +53,8 @@ impl fmt::Display for Projectile {
 
 fn init_env() -> Environment {
     Environment {
-            gravity: Tuple::vector(0.0, 0.0, -0.98),
-            wind: Tuple::vector(0.0, 0.0, 0.0),
+            gravity: Tuple::vector(0, 0, -0.98),
+            wind: Tuple::vector(0, 0, 0),
     }
 }
 
@@ -83,24 +83,24 @@ fn before_clock() {
     let env = init_env();
 
     let mut ball = Projectile::new(
-        Tuple::point(0.0, 0.0, 0.0),
-        Tuple::vector(2.2, 0.0, 21.0),
+        Tuple::point(0, 0, 0),
+        Tuple::vector(2.2, 0, 21.0),
     );
 
     let mut ball2 = Projectile::new(
-        Tuple::point(195.0, 0.0, 0.0),
-        Tuple::vector(-2.2, 0.0, 21.0),
+        Tuple::point(195, 0, 0),
+        Tuple::vector(-2.2, 0, 21),
     );
 
     let mut ball3 = Projectile::new(
-        Tuple::point(299.0, 0.0, 0.0),
-        Tuple::vector(-2.2, 0.0, 21.0),
+        Tuple::point(299, 0, 0),
+        Tuple::vector(-2.2, 0, 21),
     );
 
     let mut canvas = Canvas::new(300, 300);
-    let color = Color::new(1.0, 0.0, 0.0);
-    let color2 = Color::new(0.0, 1.0, 0.0);
-    let color3 = Color::new(0.0, 0.0, 1.0);
+    let color = Color::new(1, 0, 0);
+    let color2 = Color::new(0, 1, 0);
+    let color3 = Color::new(0, 0, 1);
     loop {
         canvas.write_pixel(ball.position.x() as usize, canvas.height() - (ball.position.z() as usize) - 1, color);
         canvas.write_pixel(ball2.position.x() as usize, canvas.height() - (ball2.position.z() as usize) - 1, color2);
@@ -125,9 +125,9 @@ fn before_clock() {
 
 
     let mut a = Matrix::from_array([
-        [1.0, 2.0, 3.0],
-        [4.0, 5.0, 6.0],
-        [7.0, 8.0, 1.0]
+        [1, 2, 3],
+        [4, 5, 6],
+        [7, 8, 1]
     ]);
 
     println!("Matrix: {:?}", a);
@@ -143,7 +143,7 @@ fn before_clock() {
     println!("transpose then inverse: {:?}", at);
 
 
-    let t = Tuple::point(1.0, 2.0, 3.0);
+    let t = Tuple::point(1, 2, 3);
     let mut id = Matrix::identity(4);
     id[1][3] = -3.0;
     let q = &id * &t;
@@ -159,13 +159,13 @@ fn main() {
 fn draw_cross(canvas: &mut Canvas, start: &Tuple, color: Color) {
     canvas.write_pixel(start.x() as usize, start.y() as usize, color);
 
-    let top = start * &Matrix::translation(1.0, 0.0, 0.0);
+    let top = start * &Matrix::translation(1, 0, 0);
     write_point(canvas, &top, color);
-    let right = start * &Matrix::translation(0.0, 1.0, 0.0);
+    let right = start * &Matrix::translation(0, 1, 0);
     write_point(canvas, &right, color);
-    let bottom = start * &Matrix::translation(-1.0, 0.0, 0.0);
+    let bottom = start * &Matrix::translation(-1, 0, 0);
     write_point(canvas, &bottom, color);
-    let left = start * &Matrix::translation(0.0, -1.0, 0.0);
+    let left = start * &Matrix::translation(0, -1, 0);
     write_point(canvas, &left, color);
 }
 
@@ -173,19 +173,19 @@ fn clock() {
     println!("Starting clock!");
 
     let mut canvas = Canvas::new(1024, 1024);
-    let color = Color::new(1.0, 0.0, 0.0);
-    let middle = 1024.0 / 2.0;
+    let color = Color::new(1, 0, 0);
+    let middle = 1024 / 2;
 
-    let middle_point = &Tuple::point_zero() * &Matrix::translation(middle, middle, 0.0);
-    draw_cross(&mut canvas, &middle_point, Color::new(0.0, 1.0, 0.0));
+    let middle_point = &Tuple::point_zero() * &Matrix::translation(middle, middle, 0);
+    draw_cross(&mut canvas, &middle_point, Color::new(0, 1, 0));
 
     for i in 1..13 {
         let center = Tuple::point_zero();
 
-        let center = &Matrix::translation(0.0, -24.0, 0.0) * &center;
-        let center = &Matrix::scaling(0.0, 10.0, 0.0) * &center;
+        let center = &Matrix::translation(0, -24, 0) * &center;
+        let center = &Matrix::scaling(0, 10, 0) * &center;
         let center = &Matrix::rotation_z((i as f32 / 12.0) * (2.0 * PI)) * &center;
-        let center = &Matrix::translation(middle, middle, 0.0) * &center;
+        let center = &Matrix::translation(middle, middle, 0) * &center;
 
         draw_cross(&mut canvas, &center, color);
     }