rtiow: break project into multiple workspaces.

rtiow/renderer/src/hitable.rs

@@ -0,0 +1,28 @@
+use std::sync::Arc;
+
+use crate::aabb::AABB;
+use crate::material::Material;
+use crate::ray::Ray;
+use crate::vec3::Vec3;
+
+pub struct HitRecord<'m> {
+    pub t: f32,
+    pub uv: (f32, f32),
+    pub p: Vec3,
+    pub normal: Vec3,
+    pub material: &'m dyn Material,
+}
+
+pub trait Hit: Send + Sync {
+    fn hit(&self, r: Ray, t_min: f32, t_max: f32) -> Option<HitRecord>;
+    fn bounding_box(&self, t_min: f32, t_max: f32) -> Option<AABB>;
+}
+
+impl Hit for Arc<dyn Hit> {
+    fn hit(&self, r: Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
+        (**self).hit(r, t_min, t_max)
+    }
+    fn bounding_box(&self, t_min: f32, t_max: f32) -> Option<AABB> {
+        (**self).bounding_box(t_min, t_max)
+    }
+}