Update yaw calculation to use derived axis based on partial tilt

2026-05-02 04:59:02 +02:00
parent 3555a8c239
commit fc3618000c
1 changed files with 2 additions and 1 deletions
--- a/src/foliage/foliage-render-batches.ts
+++ b/src/foliage/foliage-render-batches.ts
@@ -139,7 +139,8 @@ export function createFoliageInstanceMatrix(
    tilt,
    tiltAmount
  );
-  const yaw = new Quaternion().setFromAxisAngle(normal, instance.yawRadians);
+  const yawAxis = UP_VECTOR.clone().applyQuaternion(partialTilt).normalize();
+  const yaw = new Quaternion().setFromAxisAngle(yawAxis, instance.yawRadians);
  const rotation = yaw.multiply(partialTilt);
  const instanceMatrix = new Matrix4().compose(
    createVector3(instance.position),