Implemented PartialEq for Angle

diff --git a/src/common/geometry.rs b/src/common/geometry.rs
index d767d8e..50d1994 100644 (file)
--- a/src/common/geometry.rs
+++ b/src/common/geometry.rs
@@ -154,7 +154,7 @@ impl From<Angle> for Point<f64> {
 
 ////////// ANGLE ///////////////////////////////////////////////////////////////
 
-#[derive(Debug, Default, PartialEq, Clone, Copy)]
+#[derive(Debug, Default, Clone, Copy)]
 pub struct Angle(pub f64);
 
 pub trait ToAngle {
@@ -223,7 +223,11 @@ impl Angle {
     }
 }
 
-// TODO override eq, 0==360 osv
+impl PartialEq for Angle {
+    fn eq(&self, rhs: &Angle) -> bool {
+       self.0 % std::f64::consts::TAU == rhs.0 % std::f64::consts::TAU
+    }
+}
 
 // addition and subtraction of angles
 
@@ -468,6 +472,7 @@ mod tests {
     #[test]
     fn angles() {
        assert_eq!(0.radians(), 0.degrees());
+       assert_eq!(0.degrees(), 360.degrees());
        assert_eq!(180.degrees(), std::f64::consts::PI.radians());
        assert_eq!(std::f64::consts::PI.radians().to_degrees(), 180.0);
        assert!((Point::from(90.degrees()) - point!(0.0, 1.0)).length() < 0.001);