Add picture for c5505ab84820248c6dba35fc06aef9e0ced183derendered

1 files changed, 0 insertions, 135 deletions

diff --git a/src/camera/camera.rs b/src/camera/camera.rs
deleted file mode 100644
index 7f9e79d..0000000
--- a/src/camera/camera.rs
+++ /dev/null
@@ -1,135 +0,0 @@
-//! Generates rays from screen coordinates
-//!
-//! Generates rays in world space from screen coordinates.
-//! Future versions should also simulate depth of field.
-//!
-//! # Examples
-//!
-//! ```
-//! use rendering::camera::{CameraSettings, Camera};
-//! use rendering::core::{Vector3f, Vector2f, Vector2i};
-//! use rendering::sample::UniformSampler;
-//!
-//! let set = CameraSettings {
-//!     origin: Vector3f::new(10.0),
-//!     target: Vector3f::new(0.0),
-//!     up: Vector3f::new_xyz(0.0, 1.0, 0.0),
-//!     fov: 90.0, 
-//!     filmsize: Vector2i::new(10),
-//!     focus: None,
-//!     aperture: None,
-//! };
-//!
-//! let cam = Camera::new(&set);
-//! let mut sampler = UniformSampler::new();
-//!
-//! let (r, _) = cam.generate_ray(&Vector2f::new(5.0), &mut sampler);
-//! let dir = r.direction;
-//!
-//! assert!(
-//!     dir.x == -0.6031558065478413 &&
-//!     dir.y == -0.6599739684616743 &&
-//!     dir.z == -0.4479257014065748
-//!     );
-//!
-//! ```
-use crate::Float;
-use crate::core::{Vector3f, Vector2f, Vector2i, Ray};
-use crate::sample::Sampler;
-
-/// A simple perspective camera
-pub struct Camera {
-    /// The camera origin in the screen
-    origin: Vector3f,
-    /// Vector from camera origin to the screen lower left corner of the film plane
-    screen_origin: Vector3f,
-    /// Scaling vectors from screen_origin
-    qx: Vector3f,
-    qy: Vector3f,
-
-    /// Value for depth of view
-    lens_radius: Option<Float>,
-}
-
-/// Settings for initializing camera
-pub struct CameraSettings {
-    /// Where rays originate from
-    pub origin: Vector3f,
-    /// Point where center of image is pointed at
-    pub target: Vector3f,
-    /// Vector that will be up in the resulting image
-    pub up: Vector3f,
-    /// The vertical field of view in degrees.
-    /// Currently must be between [0; 180[.
-    pub fov: Float,
-    /// The film aspect ratio, height / width
-    pub filmsize: Vector2i,
-    /// The lens aperture
-    ///
-    /// Depth of view is disabled if None
-    pub aperture: Option<Float>,
-    /// The distance to the focus plane
-    ///
-    /// if None it will be set to the distance between origin and target
-    pub focus: Option<Float>,
-}
-
-impl Camera {
-    /// Create a new camera look at a target
-    pub fn new(set: &CameraSettings) -> Camera {
-        let filmsize = Vector2f::from(set.filmsize);
-        // Calculate translation vectors
-        let mut forward = set.target - set.origin;
-
-        let focus = set.focus.unwrap_or_else(|| forward.length());
-
-        forward.norm_in();
-
-        let right = set.up.cross(&forward).norm();
-        let newup = forward.cross(&right).norm();
-
-        let aspect = (filmsize.y) / (filmsize.x);
-        // Calculate screen size from fov and focus distance
-        let width = 2.0 * focus * (set.fov / 2.0).to_radians().tan();
-        let height = aspect * width;
-
-        // Calculate screen scaling vectors
-        let qx = right * (width / (filmsize.x - 1.0));
-        let qy = newup * (height / (filmsize.y - 1.0));
-
-        let screen_origin = forward * focus - (right * (width/2.0)) + (newup * (height/2.0));
-
-        Camera {
-            origin: set.origin,
-            screen_origin,
-            qx,
-            qy,
-            lens_radius: set.aperture.map(|a| a / 2.0),
-        }
-    }
-
-    /// Generates a ray a screen space point
-    ///
-    /// The point coordinates should be between [0,1) with (0, 0) being the upper left corner
-    ///
-    /// Will return a ray and a weight
-    ///
-    /// The direction of the returned way is normalized
-    pub fn generate_ray(&self, point: &Vector2f, sampler: &mut dyn Sampler) -> (Ray, Float) {
-        // Depth of view origin offset
-        let ooffset = match self.lens_radius {
-            Some(r) => {
-                let rand_dir = sampler.get_in_circle() * r;
-                self.qx * rand_dir.x + self.qy * rand_dir.y
-            },
-            None => Vector3f::ZERO,
-        };
-
-        let dir = self.screen_origin + (self.qx * point.x) - (self.qy * point.y) - ooffset;
-
-        (
-            Ray { origin: self.origin + ooffset, direction: dir.norm() },
-            1.0
-            )
-    }
-}