Refile for merging repos

1 files changed, 62 insertions, 0 deletions

diff --git a/2019-worms/src/geometry/vec.rs b/2019-worms/src/geometry/vec.rs
new file mode 100644
index 0000000..375a0f9
--- /dev/null
+++ b/2019-worms/src/geometry/vec.rs
@@ -0,0 +1,62 @@
+use std::ops::*;
+
+#[derive(Debug, Default, Clone, Copy, Hash, PartialEq, Eq)]
+pub struct Vec2d {
+    pub x: i8,
+    pub y: i8,
+}
+
+impl Vec2d {
+    pub const fn new(x: i8, y: i8) -> Vec2d {
+        Vec2d { x, y }
+    }
+    pub fn magnitude_squared(&self) -> i8 {
+        self.x
+            .saturating_pow(2)
+            .saturating_add(self.y.saturating_pow(2))
+    }
+}
+
+impl Add for Vec2d {
+    type Output = Self;
+
+    fn add(self, other: Self) -> Self {
+        Vec2d {
+            x: self.x.saturating_add(other.x),
+            y: self.y.saturating_add(other.y),
+        }
+    }
+}
+
+impl Sub for Vec2d {
+    type Output = Self;
+
+    fn sub(self, other: Self) -> Self {
+        Vec2d {
+            x: self.x.saturating_sub(other.x),
+            y: self.y.saturating_sub(other.y),
+        }
+    }
+}
+
+impl Mul<i8> for Vec2d {
+    type Output = Self;
+
+    fn mul(self, other: i8) -> Self {
+        Vec2d {
+            x: self.x.saturating_mul(other),
+            y: self.y.saturating_mul(other),
+        }
+    }
+}
+
+impl Neg for Vec2d {
+    type Output = Self;
+
+    fn neg(self) -> Self {
+        Vec2d {
+            x: -self.x,
+            y: -self.y,
+        }
+    }
+}