First commitHEADv1.0.0main

1 files changed, 72 insertions, 0 deletions

diff --git a/src/point.rs b/src/point.rs
new file mode 100644
index 0000000..d7bd577
--- /dev/null
+++ b/src/point.rs
@@ -0,0 +1,72 @@
+use crate::*;
+use std::fmt;
+use std::ops::{Add, Sub, AddAssign, SubAssign};
+
+#[derive(Copy, Clone, PartialEq)]
+pub struct Point<O: Internal> {
+    pub x: O,
+    pub y: O,
+}
+
+pub trait HasPosition<O: Internal> {
+    fn position(&self) -> Point<O>;
+
+    fn x(&self) -> O {
+        self.position().x
+    }
+    fn y(&self) -> O {
+        self.position().y
+    }
+}
+
+impl<O: Internal> Point<O> {
+    pub const ZERO: Self = Self { x: O::ZERO, y: O::ZERO };
+
+    pub const fn new(x: O, y: O) -> Point<O> {
+        Point { x, y }
+    }
+
+    pub fn is_zero(&self) -> bool {
+        self.x == O::ZERO && self.y == O::ZERO
+    }
+}
+
+impl<O: Internal> HasPosition<O> for Point<O> {
+    fn position(&self) -> Point<O> {
+        *self
+    }
+}
+
+impl<O: Internal> Add<Point<O>> for Point<O> {
+    type Output = Self;
+    fn add(self, point: Point<O>) -> Self {
+        Point::new(self.x + point.x, self.y + point.y)
+    }
+}
+
+impl<O: Internal> Sub<Point<O>> for Point<O> {
+    type Output = Self;
+    fn sub(self, point: Point<O>) -> Self {
+        Point::new(self.x - point.x, self.y - point.y)
+    }
+}
+
+impl<O: Internal> AddAssign<Point<O>> for Point<O> {
+    fn add_assign(&mut self, point: Point<O>) {
+        self.x += point.x;
+        self.y += point.y;
+    }
+}
+
+impl<O: Internal> SubAssign<Point<O>> for Point<O> {
+    fn sub_assign(&mut self, point: Point<O>) {
+        self.x -= point.x;
+        self.y -= point.y;
+    }
+}
+
+impl<T: Internal> fmt::Debug for Point<T> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "Point {{ x:{:?} y:{:?} }}", self.x, self.y)
+    }
+}