1 files changed, 38 insertions, 0 deletions
diff --git a/html/tower/js/path.js b/html/tower/js/path.js
index f594ee2..46e4bfb 100644
--- a/html/tower/js/path.js
+++ b/html/tower/js/path.js
@@ -80,4 +80,42 @@ function generatePath(grid) {
     }
     
     return Promise.resolve(path);
+}
+
+function getPathPosition(progress, path) {
+    // Ensure progress is between 0 and 1
+    progress = Math.max(0, Math.min(1, progress));
+    
+    // Get the total path length
+    let totalLength = 0;
+    for (let i = 1; i < path.length; i++) {
+        const dx = path[i].x - path[i-1].x;
+        const dy = path[i].y - path[i-1].y;
+        totalLength += Math.sqrt(dx * dx + dy * dy);
+    }
+    
+    // Find target distance along path
+    const targetDistance = progress * totalLength;
+    
+    // Find the segment where the target position lies
+    let currentDistance = 0;
+    for (let i = 1; i < path.length; i++) {
+        const dx = path[i].x - path[i-1].x;
+        const dy = path[i].y - path[i-1].y;
+        const segmentLength = Math.sqrt(dx * dx + dy * dy);
+        
+        if (currentDistance + segmentLength >= targetDistance) {
+            // Calculate position within this segment
+            const segmentProgress = (targetDistance - currentDistance) / segmentLength;
+            return {
+                x: path[i-1].x + dx * segmentProgress,
+                y: path[i-1].y + dy * segmentProgress
+            };
+        }
+        
+        currentDistance += segmentLength;
+    }
+    
+    // If we somehow exceed the path length, return the last point
+    return { ...path[path.length - 1] };
 } 
\ No newline at end of file