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-rw-r--r--servers/physics_3d/shape_3d_sw.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/servers/physics_3d/shape_3d_sw.cpp b/servers/physics_3d/shape_3d_sw.cpp
index bf0946a0e2..4c14cb3162 100644
--- a/servers/physics_3d/shape_3d_sw.cpp
+++ b/servers/physics_3d/shape_3d_sw.cpp
@@ -891,6 +891,9 @@ void ConvexPolygonShape3DSW::get_supports(const Vector3 &p_normal, int p_max, Ve
const Vector3 *vertices = mesh.vertices.ptr();
int vc = mesh.vertices.size();
+ r_amount = 0;
+ ERR_FAIL_COND_MSG(vc == 0, "Convex polygon shape has no vertices.");
+
//find vertex first
real_t max = 0;
int vtx = 0;