ft: 5,6.1: sphere class + normals

src/objects/hit.rs

@@ -0,0 +1,25 @@
+use crate::vec3::Vec3;
+
+pub struct Hit {
+    t: f32,
+    p: Vec3,
+    n: Vec3,
+}
+
+impl Hit {
+    pub fn new(t: f32, p: Vec3, n: Vec3) -> Hit {
+        Hit { t: t, p: p, n: n }
+    }
+
+    pub fn t(&self) -> &f32 {
+        &self.t
+    }
+
+    pub fn p(&self) -> &Vec3 {
+        &self.p
+    }
+
+    pub fn n(&self) -> &Vec3 {
+        &self.n
+    }
+}