1 files changed, 25 insertions, 0 deletions
diff --git a/html/rogue/js/utils.js b/html/rogue/js/utils.js
new file mode 100644
index 0000000..bd329fb
--- /dev/null
+++ b/html/rogue/js/utils.js
@@ -0,0 +1,25 @@
+const Utils = {
+    hexToKey(hex) {
+        return `${hex.q},${hex.r}`;
+    },
+    
+    keyToHex(key) {
+        const [q, r] = key.split(',').map(Number);
+        return { q, r };
+    },
+    
+    // Screen/canvas coordinate utilities
+    screenToCanvas(x, y, camera) {
+        return {
+            x: x + camera.x,
+            y: y + camera.y
+        };
+    },
+    
+    canvasToScreen(x, y, camera) {
+        return {
+            x: x - camera.x,
+            y: y - camera.y
+        };
+    }
+}; 
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