From 7a7f5f679bf9bba3c782f9af4a4689c90151f32f Mon Sep 17 00:00:00 2001
From: Marc Gilleron <marc.gilleron@gmail.com>
Date: Mon, 26 Aug 2019 14:00:48 +0100
Subject: [PATCH] Include smooth surface to collision build in VoxelTerrain

---
 terrain/voxel_terrain.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/terrain/voxel_terrain.cpp b/terrain/voxel_terrain.cpp
index db49d5432..f57eac823 100644
--- a/terrain/voxel_terrain.cpp
+++ b/terrain/voxel_terrain.cpp
@@ -1048,6 +1048,10 @@ void VoxelTerrain::_process() {
 					continue;
 				}
 
+				if (collidable_surface.empty()) {
+					collidable_surface = surface;
+				}
+
 				mesh->add_surface_from_arrays(data.smooth_surfaces.primitive_type, surface);
 				mesh->surface_set_material(surface_index, _materials[i]);
 				++surface_index;