☁ Add sky

1 files changed, 24 insertions, 0 deletions

diff --git a/racer-tracer/src/ray.rs b/racer-tracer/src/ray.rs
new file mode 100644
index 0000000..1325cc2
--- /dev/null
+++ b/racer-tracer/src/ray.rs
@@ -0,0 +1,24 @@
+use crate::vec3::Vec3;
+
+pub struct Ray {
+    origin: Vec3,
+    direction: Vec3,
+}
+
+impl Ray {
+    pub fn new(origin: Vec3, direction: Vec3) -> Ray {
+        Ray { origin, direction }
+    }
+
+    pub fn origin(&self) -> &Vec3 {
+        &self.origin
+    }
+
+    pub fn direction(&self) -> &Vec3 {
+        &self.direction
+    }
+
+    pub fn at(&self, go_length: f64) -> Vec3 {
+        self.origin.clone() + go_length * self.direction.clone()
+    }
+}