From 9235e74dfbc41895a5f8807e1ab93508268a39ea Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Wed, 3 Feb 2021 17:54:03 +0100
Subject: Base render of surface normal, and abstract shading and tracing to
 the trace module

---
 src/core/ray.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/core/ray.rs')

diff --git a/src/core/ray.rs b/src/core/ray.rs
index 2368315..f5517ce 100644
--- a/src/core/ray.rs
+++ b/src/core/ray.rs
@@ -1,8 +1,15 @@
 //! The ray class used when probing the 3d scene
 use crate::core::Vector3f;
+use crate::Float;
 
 pub struct Ray {
     pub origin: Vector3f,
     pub direction: Vector3f,
 }
 
+impl Ray {
+    pub fn at(&self, t: Float) -> Vector3f {
+        self.origin + self.direction * t
+    }
+}
+
-- 
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