Fix crash in proof-of-concept code.

part of CURA-11041
Ultimaker · Sep 22, 2023 · 16d1a84 · 16d1a84
1 parent 7bdbe9a
commit 16d1a84
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/support.cpp b/src/support.cpp
@@ -1805,7 +1805,7 @@ void AreaSupport::generateSupportRoof(SliceDataStorage& storage, const SliceMesh
     const double minimum_roof_area = mesh.settings.get<double>("minimum_roof_area");
 
     std::vector<SupportLayer>& support_layers = storage.support.supportLayers;
-    for (LayerIndex layer_idx = static_cast<int>(support_layers.size() - z_distance_top); layer_idx >= 0; --layer_idx)
+    for (LayerIndex layer_idx = static_cast<int>(support_layers.size() - z_distance_top) - 1; layer_idx >= 0; --layer_idx)
     {
         const LayerIndex top_layer_idx_above{
             std::min(LayerIndex{ support_layers.size() - 1 }, LayerIndex{ layer_idx + roof_layer_count + z_distance_top })