From 8dd9517ae4b925fba5b825da04254412e039fa0c Mon Sep 17 00:00:00 2001
From: Justin Worthe <justin@worthe-it.co.za>
Date: Sun, 1 Jul 2018 23:58:52 +0200
Subject: Continued filling in bitwise game engine

---
 src/engine/geometry.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/engine/geometry.rs')

diff --git a/src/engine/geometry.rs b/src/engine/geometry.rs
index 22b56f0..02fe44b 100644
--- a/src/engine/geometry.rs
+++ b/src/engine/geometry.rs
@@ -59,6 +59,16 @@ impl Point {
             1 << index
         }
     }
+
+    pub fn to_either_bitfield(&self, width: u8) -> u64 {
+        if self.x >= width {
+            let index = self.y * width + self.x - width;
+            1 << index
+        } else {
+            let index = self.y * width + self.x;
+            1 << index
+        }
+    }
 }
 
 use std::cmp::Ord;
-- 
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