From dff2838436f33ae92bd055e957915ee7bcca94ff Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Wed, 13 May 2026 16:49:08 +0200
Subject: [PATCH] Fix vertex height calculation using edge height scale and
 refactor run processing

---
 src/geometry/spline-road-mesh.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/geometry/spline-road-mesh.ts b/src/geometry/spline-road-mesh.ts
index 76e61b32..39159d56 100644
--- a/src/geometry/spline-road-mesh.ts
+++ b/src/geometry/spline-road-mesh.ts
@@ -683,7 +683,12 @@ export function buildSplineRoadEdgeMeshData(options: {
   );
   let stationCount = 0;
 
-  for (const run of stationRuns) {
+  for (const rawRun of stationRuns) {
+    const run = buildEdgeStationRunWithJunctionTapers({
+      run: rawRun,
+      clipIntervals: options.clipIntervals ?? [],
+      edge
+    });
     const runVertexOffset = positions.length / 3;
 
     for (let stationIndex = 0; stationIndex < run.length; stationIndex += 1) {
@@ -716,7 +721,7 @@ export function buildSplineRoadEdgeMeshData(options: {
 
         positions.push(
           vertex.x,
-          vertex.y + profilePoint.heightOffset,
+          vertex.y + profilePoint.heightOffset * station.edgeHeightScale,
           vertex.z
         );
         uvs.push(profileIndex / profileLastIndex, station.distance);