1 files changed, 48 insertions, 0 deletions
diff --git a/scene/resources/3d/world_boundary_shape_3d.cpp b/scene/resources/3d/world_boundary_shape_3d.cpp
index 7cff587a20..1957b2c99e 100644
--- a/scene/resources/3d/world_boundary_shape_3d.cpp
+++ b/scene/resources/3d/world_boundary_shape_3d.cpp
@@ -32,6 +32,7 @@
 
 #include "world_boundary_shape_3d.h"
 
+#include "scene/resources/mesh.h"
 #include "servers/physics_server_3d.h"
 
 Vector<Vector3> WorldBoundaryShape3D::get_debug_mesh_lines() const {
@@ -63,6 +64,53 @@ Vector<Vector3> WorldBoundaryShape3D::get_debug_mesh_lines() const {
 	return points;
 }
 
+Ref<ArrayMesh> WorldBoundaryShape3D::get_debug_arraymesh_faces(const Color &p_modulate) const {
+	Plane p = get_plane();
+
+	Vector3 n1 = p.get_any_perpendicular_normal();
+	Vector3 n2 = p.normal.cross(n1).normalized();
+
+	Vector3 pface[4] = {
+		p.normal * p.d + n1 * 10.0 + n2 * 10.0,
+		p.normal * p.d + n1 * 10.0 + n2 * -10.0,
+		p.normal * p.d + n1 * -10.0 + n2 * -10.0,
+		p.normal * p.d + n1 * -10.0 + n2 * 10.0,
+	};
+
+	Vector<Vector3> points = {
+		pface[0],
+		pface[1],
+		pface[2],
+		pface[3],
+	};
+
+	Vector<Color> colors = {
+		p_modulate,
+		p_modulate,
+		p_modulate,
+		p_modulate,
+	};
+
+	Vector<int> indices = {
+		0,
+		1,
+		2,
+		0,
+		2,
+		3,
+	};
+
+	Ref<ArrayMesh> mesh = memnew(ArrayMesh);
+	Array a;
+	a.resize(Mesh::ARRAY_MAX);
+	a[RS::ARRAY_VERTEX] = points;
+	a[RS::ARRAY_COLOR] = colors;
+	a[RS::ARRAY_INDEX] = indices;
+	mesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, a);
+
+	return mesh;
+}
+
 void WorldBoundaryShape3D::_update_shape() {
 	PhysicsServer3D::get_singleton()->shape_set_data(get_shape(), plane);
 	Shape3D::_update_shape();