init

1 files changed, 21 insertions, 0 deletions

diff --git a/src/ray.rs b/src/ray.rs
new file mode 100644
index 0000000..0a4fc3c
--- /dev/null
+++ b/src/ray.rs
@@ -0,0 +1,21 @@
+use crate::vec3::{Point3, Vec3};
+
+pub struct Ray {
+    pub origin: Point3,
+    pub direction: Vec3,
+    pub time: f64,
+}
+
+impl Ray {
+    pub fn new() -> Ray {
+        Ray {
+            origin: Point3 { x: 0.0, y: 0.0, z: 0.0 },
+            direction: Vec3 { x: 0.0, y:0.0, z: 0.0},
+            time: 0.0
+        }
+    }
+
+    pub fn at(&self, t: f64) -> Point3 {
+        &self.origin + t * &self.direction
+    }
+}