thing

1 files changed, 24 insertions, 0 deletions

diff --git a/src/transform.rs b/src/transform.rs
new file mode 100644
index 0000000..8b555d1
--- /dev/null
+++ b/src/transform.rs
@@ -0,0 +1,24 @@
+use crate::{color::Color, Sample};
+
+pub struct Matrix {
+    pub inner: Box<dyn Sample>,
+    pub matrix: ((f64, f64), (f64, f64)),
+}
+impl Sample for Matrix {
+    fn sample(&mut self, x: f64, y: f64) -> Color {
+        let (x, y) = (
+            x * self.matrix.0 .0 + y * self.matrix.0 .1,
+            x * self.matrix.1 .0 + y * self.matrix.1 .1,
+        );
+        self.inner.sample(x, y)
+    }
+}
+
+pub struct Polar(pub Box<dyn Sample>);
+impl Sample for Polar {
+    fn sample(&mut self, x: f64, y: f64) -> Color {
+        let ang = x.atan2(y);
+        let dist = (x * x + y * y).sqrt();
+        self.0.sample(ang, dist)
+    }
+}