From 4014436905aace9acd47dde245b88bd5f69335ec Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Mon, 9 Mar 2026 23:31:27 +0800
Subject: Sending Rays Into the Scene

---
 src/ray.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/ray.h

(limited to 'src/ray.h')

diff --git a/src/ray.h b/src/ray.h
new file mode 100644
index 0000000..d9c42dc
--- /dev/null
+++ b/src/ray.h
@@ -0,0 +1,22 @@
+#ifndef RAY_H
+#define RAY_H
+
+#include "vec3.h"
+
+class ray
+{
+public:
+  ray() {}
+  ray( const point3& origin, const vec3& direction ) : orig( origin ), dir( direction ) {}
+
+  const point3& origin() const;
+  const vec3& direction() const;
+
+  point3 at( double t ) const;
+
+private:
+  point3 orig;
+  vec3 dir;
+};
+
+#endif
\ No newline at end of file
-- 
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