ft: added cube

src/objects/cube.rs

@@ -0,0 +1,49 @@
+use std::sync::Arc;
+
+use crate::{
+    objects::{materials::traits::Material, quad::Quad, traits::Hittable},
+    ray::Ray,
+    vec3::Vec3,
+};
+
+use super::hit::Hit;
+
+#[derive(Debug)]
+pub struct Cube {
+    faces: Vec<Arc<dyn Hittable>>,
+    material: Arc<dyn Material>,
+}
+
+impl Cube {
+    pub fn new(
+        p1: Vec3,
+        p2: Vec3,
+        p3: Vec3,
+        p4: Vec3,
+        p5: Vec3,
+        p6: Vec3,
+        p7: Vec3,
+        p8: Vec3,
+        material: Arc<dyn Material>,
+    ) -> Self {
+        let faces: Vec<Arc<dyn Hittable>> = vec![
+            Arc::new(Quad::new(p1, p2, p3, p4, material.clone())),
+            Arc::new(Quad::new(p1, p5, p6, p2, material.clone())),
+            Arc::new(Quad::new(p2, p6, p7, p3, material.clone())),
+            Arc::new(Quad::new(p5, p8, p4, p1, material.clone())),
+            Arc::new(Quad::new(p5, p6, p7, p8, material.clone())),
+            Arc::new(Quad::new(p4, p3, p7, p8, material.clone())),
+        ];
+        Self { faces, material }
+    }
+}
+
+impl Hittable for Cube {
+    fn hit(&self, r: &Ray) -> Option<Hit> {
+        Hit::hit_list(&self.faces, r)
+    }
+
+    fn normal_at(&self, p: &Vec3) -> Vec3 {
+        todo!()
+    }
+}