1 files changed, 40 insertions, 0 deletions
diff --git a/src/world/shapes/box.rs b/src/world/shapes/box.rs
new file mode 100644
index 0000000..e07d5fe
--- /dev/null
+++ b/src/world/shapes/box.rs
@@ -0,0 +1,40 @@
+use crate::core::{Ray, Bound3f, Vector3f};
+use crate::world::shapes::{Plane, Rect};
+use crate::world::{Instancable, Intersection, Hittable, DynHittable};
+use crate::world::container::HittableList;
+
+pub struct BoxShp {
+    sides: HittableList,
+}
+
+impl BoxShp {
+    pub fn new(size: Vector3f) -> Self {
+        let mut cont = HittableList::new();
+        cont.add(Rect::new_with_offset(size.x, size.y, size.z / 2.0, Plane::XY));
+        cont.add(Rect::new_with_offset(size.x, size.y, -size.z / 2.0, Plane::XY));
+        cont.add(Rect::new_with_offset(size.x, size.z, size.y / 2.0, Plane::XZ));
+        cont.add(Rect::new_with_offset(size.x, size.z, -size.y / 2.0, Plane::XZ));
+        cont.add(Rect::new_with_offset(size.y, size.z, size.x / 2.0, Plane::YZ));
+        cont.add(Rect::new_with_offset(size.y, size.z, -size.x / 2.0, Plane::YZ));
+
+        Self {sides: cont}
+    }
+}
+
+impl Into<DynHittable> for BoxShp {
+    fn into(self) -> DynHittable {
+        DynHittable::new(Box::new(self))
+    }
+}
+
+impl Hittable for BoxShp {
+    fn intersect(&self, ray: &Ray) -> Option<Intersection> {
+        self.sides.intersect(ray)
+    }
+
+    fn bounding_box(&self) -> Bound3f {
+        self.sides.bounding_box()
+    }
+}
+
+impl Instancable for BoxShp {}