diff --git a/src/runtime-three/third-person-navigation-controller.ts b/src/runtime-three/third-person-navigation-controller.ts
index b0d18d8b..80846258 100644
--- a/src/runtime-three/third-person-navigation-controller.ts
+++ b/src/runtime-three/third-person-navigation-controller.ts
@@ -22,8 +22,10 @@ import {
   type RuntimePlayerClimbSurface
 } from "./player-climbing";
 import {
+  resolvePlayerLedgeGrabTarget,
   resolvePlayerEdgeAssistTopOut,
-  shouldAttemptPlayerEdgeAssist
+  shouldAttemptPlayerEdgeAssist,
+  type RuntimePlayerLedgeGrabTarget
 } from "./player-edge-assist";
 import {
   createIdleRuntimeLocomotionState,
@@ -128,6 +130,10 @@ function toEyePosition(feetPosition: Vec3, eyeHeight: number): Vec3 {
   };
 }
 
+function dotPlanarVec3(left: Vec3, right: Vec3): number {
+  return left.x * right.x + left.z * right.z;
+}
+
 function cloneRuntimePlayerMovement(
   movement: RuntimePlayerMovement
 ): RuntimePlayerMovement {