upd camera field of view

1 files changed, 8 insertions, 3 deletions

diff --git a/src/common.rs b/src/common.rs
index 120d8b4..75bf600 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -1,18 +1,23 @@
-use crate::calculus::calculus::Point3;
+use crate::calculus::calculus::{Point3, Vec3};
 use crate::interval::Interval;
 
 // "Ideal" aspect ratio, allowing fraction
-pub const ASPECT_RATIO: f32 = 16.0f32 / 9.0f32;
+pub const ASPECT_RATIO: f32 = 16.0 / 9.0;
 pub const IMG_WIDTH: usize = 400;
 pub const IMG_HEIGHT: usize = get_image_height(IMG_WIDTH, ASPECT_RATIO);
 
 pub const VIEWPORT_HEIGHT: f32 = 2.0;
 pub const FOCAL_LENGTH: f32 = 1.0;
-pub const CAMERA_CENTER: Point3 = Point3 { x: 0f32, y: 0f32, z: 0f32 };
+pub const CAMERA_CENTER: Point3 = Point3 { x: 0.0, y: 0.0, z: 0.0 };
 
 pub const SAMPLES_PER_PIXEL: usize = 100;
 pub const MAX_DEPTH: usize = 50;
 
+pub const VFOV: f32 = 90.0;
+pub const LOOK_FROM: Point3 = Point3 { x: -2.0, y: -2.0, z: 1.0 };
+pub const LOOK_AT: Point3 = Point3 { x: 0.0, y: 0.0, z: -1.0 };
+pub const VUP: Vec3 = Vec3 { x: 0.0, y: 1.0, z: 0.0 };
+
 pub const fn get_image_height(image_width: usize, aspect_ratio: f32) -> usize {
     let image_height = (image_width as f32 / aspect_ratio) as usize;
     if image_width < 1 { 1 } else { image_height }