ft: moved random scene code to function; cleaned up tri/quad/cube hit logic; made camera attributes private

src/objects/hit.rs

@@ -17,7 +17,15 @@ pub struct Hit {
 }
 
 impl Hit {
-    pub fn new(t: f32, p: Vec3, n: Vec3, mat: Arc<dyn Material>, front_face: bool, u: f32, v: f32) -> Self {
+    pub fn new(
+        t: f32,
+        p: Vec3,
+        n: Vec3,
+        mat: Arc<dyn Material>,
+        front_face: bool,
+        u: f32,
+        v: f32,
+    ) -> Self {
         Self {
             t,
             p,
@@ -25,7 +33,26 @@ impl Hit {
             mat,
             front_face,
             u,
-            v
+            v,
+        }
+    }
+
+    pub fn from_minimal(
+        mh: MinimalHit,
+        n: Vec3,
+        mat: Arc<dyn Material>,
+        front_face: bool,
+        u: f32,
+        v: f32,
+    ) -> Self {
+        Self {
+            t: mh.t,
+            p: mh.p,
+            n,
+            mat,
+            front_face,
+            u,
+            v,
         }
     }
 
@@ -69,3 +96,22 @@ impl Hit {
         closest
     }
 }
+
+pub struct MinimalHit {
+    t: f32,
+    p: Vec3,
+}
+
+impl MinimalHit {
+    pub fn new(t: f32, p: Vec3) -> Self {
+        Self { t, p }
+    }
+
+    pub fn t(&self) -> f32 {
+        self.t
+    }
+
+    pub fn p(&self) -> &Vec3 {
+        &self.p
+    }
+}