refactor: define WIDTH & HEIGHT in one place

2 files changed, 10 insertions, 10 deletions

diff --git a/src/camera.rs b/src/camera.rs
index 61afe97..ff4b4f7 100644
--- a/src/camera.rs
+++ b/src/camera.rs
@@ -1,6 +1,6 @@
-use cgmath::{Vector3, Matrix};
+use cgmath::Vector3;
 use cgmath::prelude::*;
-use std::{cmp::{max, min}, f32::consts::PI, f64::MAX_EXP, fmt};
+use std::{cmp::{max, min}, f32::consts::PI, fmt};
 
 type Vector = Vector3<f32>;
 
@@ -12,16 +12,16 @@ pub fn rotate_z(vec: Vector, angle: f32) -> Vector {
     }
 }
 
-const WIDTH: i32 = 180;
-const HEIGHT: i32 = 60;
+pub const HEIGHT: i32 = 40;
+pub const WIDTH: i32 = HEIGHT * 3;
 
 #[derive(Debug)]
-pub struct Buffer (pub [[char; 180]; 60]);
+pub struct Buffer (pub [[char; WIDTH as usize]; HEIGHT as usize]);
 
 impl fmt::Display for Buffer {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        for i in 0..60 {
-            for j in 0..180 {
+        for i in 0..HEIGHT as usize {
+            for j in 0..WIDTH as usize {
                 write!(f, "{}", self.0[i][j])?;
             }
             writeln!(f)?;
diff --git a/src/main.rs b/src/main.rs
index ae1fafb..243ee2d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,7 +3,7 @@ mod canvas;
 use std::f32::consts::PI;
 use cgmath::Vector3;
 
-use crate::camera::{Buffer, Camera};
+use crate::camera::{Buffer, Camera, WIDTH, HEIGHT};
 
 fn main() {
     let mut cam = Camera {
@@ -11,9 +11,9 @@ fn main() {
         direction: Vector3 { x: 1.0, y: 0.0, z: 0.0 },
         angle: PI / 2.0,
         distance: 1.0,
-        aspect_ratio: 2.0 / 3.0,
+        aspect_ratio: 2.0 * HEIGHT as f32 / WIDTH as f32,
         brightness: 5.0,
-        buffer: Buffer([['.'; 180]; 60]),
+        buffer: Buffer([[' '; WIDTH as usize]; HEIGHT as usize]),
         time: 0.0,
     };