Finish depth of field

1 files changed, 12 insertions, 0 deletions

diff --git a/src/sample/mod.rs b/src/sample/mod.rs
index 5095501..88e1aa9 100644
--- a/src/sample/mod.rs
+++ b/src/sample/mod.rs
@@ -29,4 +29,16 @@ pub trait Sampler {
             costheta,
             )
     }
+
+    fn get_in_circle(&mut self) -> Vector2f {
+        let s2d = self.get_sample_2d();
+
+        let d = s2d.x.sqrt();
+        let theta = s2d.y * 2.0 * M_PI;
+
+        Vector2f::new_xy(
+            d * theta.cos(),
+            d * theta.sin(),
+            )
+    }
 }