message: fix tube cap triangle winding order
diff: @@ -84,7 +84,7 @@ export function addTube(builder: MeshBuilder, controlPoints: ArrayLike<number>,
  Vec3.fromArray(u, normalVectors, offset)
  Vec3.fromArray(v, binormalVectors, offset)
  Vec3.fromArray(controlPoint, controlPoints, offset)
  - Vec3.cross(normalVector, u, v)
  + Vec3.cross(normalVector, v, u)
  ChunkedArray.add3(vertices, controlPoint[0], controlPoint[1], controlPoint[2]);
  ChunkedArray.add3(normals, normalVector[0], normalVector[1], normalVector[2]);
  @@ -107,9 +107,9 @@ export function addTube(builder: MeshBuilder, controlPoints: ArrayLike<number>,
  ChunkedArray.add3(
  indices,
  - centerVertex,
  + vertexCount + (i + 1) % radialSegments,
  vertexCount + i,
  - vertexCount + (i + 1) % radialSegments
  + centerVertex
  );
  }
  }
  