From 3f64a3f67012ef2997f933cb2b117107de3b0ef0 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Wed, 13 May 2026 04:29:50 +0200
Subject: [PATCH] Add support for attaching spline corridor colliders

---
 src/runtime-three/rapier-collision-world.ts | 32 ++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/src/runtime-three/rapier-collision-world.ts b/src/runtime-three/rapier-collision-world.ts
index cf00601b..23b8f57a 100644
--- a/src/runtime-three/rapier-collision-world.ts
+++ b/src/runtime-three/rapier-collision-world.ts
@@ -19,9 +19,10 @@ import { getFirstPersonPlayerShapeSignature } from "./player-collision";
 import type {
   RuntimeBrushTriMeshCollider,
   RuntimeNpcCollider,
+  RuntimeSceneCollider,
   RuntimeTerrainHeightfieldCollider,
-  RuntimeSceneCollider
 } from "./runtime-scene-build";
+import type { SplineCorridorBoxCollider } from "../spline-corridor/spline-corridor-colliders";
 
 const CHARACTER_CONTROLLER_OFFSET = 0.01;
 const CHARACTER_CONTROLLER_SNAP_TO_GROUND_DISTANCE = 0.2;
@@ -146,6 +147,30 @@ function attachSimpleModelCollider(world: RAPIER.World, collider: GeneratedModel
   );
 }
 
+function attachSplineCorridorBoxCollider(
+  world: RAPIER.World,
+  collider: SplineCorridorBoxCollider
+) {
+  const body = world.createRigidBody(
+    RAPIER.RigidBodyDesc.fixed()
+      .setTranslation(
+        collider.position.x,
+        collider.position.y,
+        collider.position.z
+      )
+      .setRotation(createRapierQuaternion(collider.rotationDegrees))
+  );
+
+  world.createCollider(
+    RAPIER.ColliderDesc.cuboid(
+      collider.size.x * 0.5,
+      collider.size.y * 0.5,
+      collider.size.z * 0.5
+    ).setTranslation(collider.center.x, collider.center.y, collider.center.z),
+    body
+  );
+}
+
 function attachStaticModelCollider(world: RAPIER.World, collider: GeneratedModelTriMeshCollider) {
   const body = createFixedBodyForModelCollider(world, collider);
   world.createCollider(RAPIER.ColliderDesc.trimesh(scaleVertices(collider.vertices, collider.transform.scale), collider.indices), body);
@@ -444,6 +469,11 @@ export class RapierCollisionWorld {
         continue;
       }
 
+      if (collider.source === "splineCorridor") {
+        attachSplineCorridorBoxCollider(world, collider);
+        continue;
+      }
+
       attachModelCollider(world, collider);
     }