From a9983fb8d3d1ecf955c6fe4339bb36fd22153abb Mon Sep 17 00:00:00 2001
From: Martin Lehoux <martin@lehoux.net>
Date: Sat, 4 Apr 2020 14:49:42 -0700
Subject: feat - Basic Ray features

---
 ray.go | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 ray.go

diff --git a/ray.go b/ray.go
new file mode 100644
index 0000000..c874e31
--- /dev/null
+++ b/ray.go
@@ -0,0 +1,9 @@
+package main
+
+type Ray struct {
+	origin, direction Vec3D
+}
+
+func (ray Ray) PointAt(time float64) Vec3D {
+	return AddVec3D(ray.origin, ScalarProduct(time, ray.direction))
+}
-- 
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