1 files changed, 24 insertions, 0 deletions
diff --git a/src/engine/geometry.rs b/src/engine/geometry.rs
new file mode 100644
index 0000000..f2a2522
--- /dev/null
+++ b/src/engine/geometry.rs
@@ -0,0 +1,24 @@
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub struct Point {
+    pub x: u8,
+    pub y: u8
+}
+
+impl Point {
+    pub fn move_left(&self) -> Option<Point> {
+        self.x.checked_sub(1).map(|x| Point {
+            x: x,
+            ..*self
+        })
+    }
+    pub fn move_right(&self, size: &Point) -> Option<Point> {
+        if self.x + 1 >= size.x {
+            None
+        } else {
+            Some(Point {
+                x: self.x + 1,
+                ..*self
+            })
+        }
+    }
+}