Achieve anti aliasing with multi pixel sampling

2 files changed, 14 insertions, 2 deletions

diff --git a/src/core/spectrum.rs b/src/core/spectrum.rs
index fb82a9e..41b3342 100644
--- a/src/core/spectrum.rs
+++ b/src/core/spectrum.rs
@@ -33,6 +33,18 @@ impl std::ops::Mul<Float> for &Spectrum {
     }
 }
 
+impl std::ops::Div<Float> for &Spectrum {
+    type Output = Spectrum;
+
+    fn div(self, op: Float) -> Self::Output {
+        Self::Output::new_rgb(
+            self.c[0] / op,
+            self.c[1] / op,
+            self.c[2] / op,
+            )
+    }
+}
+
 impl std::ops::AddAssign<&Self> for Spectrum {
     fn add_assign(&mut self, op: &Self) {
         self.c[0] += op.c[0];
diff --git a/src/core/vector2.rs b/src/core/vector2.rs
index 3aadb46..858068e 100644
--- a/src/core/vector2.rs
+++ b/src/core/vector2.rs
@@ -60,8 +60,8 @@ impl Vector2f {
 
     pub fn floor(&self) -> Self {
         Self::new_xy(
-            self.x.ceil(),
-            self.y.ceil()
+            self.x.floor(),
+            self.y.floor()
             )
     }
 }