1 files changed, 9 insertions, 0 deletions
diff --git a/source/blender/makesrna/intern/rna_object_force.c b/source/blender/makesrna/intern/rna_object_force.c
index 30e0ba19608..0a4e714c2ef 100644
--- a/source/blender/makesrna/intern/rna_object_force.c
+++ b/source/blender/makesrna/intern/rna_object_force.c
@@ -1517,6 +1517,15 @@ static void rna_def_field(BlenderRNA *brna)
   RNA_def_property_ui_text(prop, "Flow", "Convert effector force into air flow velocity");
   RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
 
+  prop = RNA_def_property(srna, "wind_factor", PROP_FLOAT, PROP_FACTOR);
+  RNA_def_property_float_sdna(prop, NULL, "f_wind_factor");
+  RNA_def_property_range(prop, 0.0f, 1.0f);
+  RNA_def_property_ui_text(
+      prop,
+      "Wind Factor",
+      "How much the force is reduced when acting parallel to a surface, e.g. cloth");
+  RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
+
   /* different ui range to above */
   prop = RNA_def_property(srna, "inflow", PROP_FLOAT, PROP_NONE);
   RNA_def_property_float_sdna(prop, NULL, "f_flow");