1 files changed, 28 insertions, 1 deletions
diff --git a/scene/resources/plane_shape.cpp b/scene/resources/plane_shape.cpp
index 150406ceff..760a36a91e 100644
--- a/scene/resources/plane_shape.cpp
+++ b/scene/resources/plane_shape.cpp
@@ -30,7 +30,34 @@
 
 #include "servers/physics_server.h"
 
-
+Vector<Vector3> PlaneShape::_gen_debug_mesh_lines() {
+
+	Plane p = get_plane();
+	Vector<Vector3> points;
+
+	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,
+	};
+
+	points.push_back(pface[0]);
+	points.push_back(pface[1]);
+	points.push_back(pface[1]);
+	points.push_back(pface[2]);
+	points.push_back(pface[2]);
+	points.push_back(pface[3]);
+	points.push_back(pface[3]);
+	points.push_back(pface[0]);
+	points.push_back(p.normal*p.d);
+	points.push_back(p.normal*p.d+p.normal*3);
+
+	return points;
+}
 
 void PlaneShape::_update_shape() {