1 files changed, 7 insertions, 0 deletions
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
+    }
+}
+