Ability to visually debug geometry visually:

-Visible 2D and 3D Shapes, Polygons, Tile collisions, etc.
-Visible Navmesh and Navpoly
-Visible collision contacts for 2D and 3D as a red point
-Customizable colors in project settings

1 files changed, 59 insertions, 0 deletions

diff --git a/scene/resources/shape.cpp b/scene/resources/shape.cpp
index 1120a8d672..143ef82d51 100644
--- a/scene/resources/shape.cpp
+++ b/scene/resources/shape.cpp
@@ -29,9 +29,67 @@
 #include "shape.h"
 
 #include "servers/physics_server.h"
+#include "scene/resources/mesh.h"
+#include "os/os.h"
+#include "scene/main/scene_main_loop.h"
 
 
+void Shape::add_vertices_to_array(DVector<Vector3> &array, const Transform& p_xform) {
 
+	Vector<Vector3> toadd = _gen_debug_mesh_lines();
+
+	if (toadd.size()) {
+
+		int base=array.size();
+		array.resize(base+toadd.size());
+		DVector<Vector3>::Write w = array.write();
+		for(int i=0;i<toadd.size();i++) {
+			w[i+base]=p_xform.xform(toadd[i]);
+		}
+
+	}
+}
+
+Ref<Mesh> Shape::get_debug_mesh() {
+
+	if (debug_mesh_cache.is_valid())
+		return debug_mesh_cache;
+
+	Vector<Vector3> lines = _gen_debug_mesh_lines();
+
+	debug_mesh_cache = Ref<Mesh>(memnew(Mesh));
+
+	if (!lines.empty()) {
+		//make mesh
+		DVector<Vector3> array;
+		array.resize(lines.size());
+		{
+
+			DVector<Vector3>::Write w=array.write();
+			for(int i=0;i<lines.size();i++) {
+				w[i]=lines[i];
+			}
+		}
+
+		Array arr;
+		arr.resize(Mesh::ARRAY_MAX);
+		arr[Mesh::ARRAY_VERTEX]=array;
+
+		SceneTree *st=OS::get_singleton()->get_main_loop()->cast_to<SceneTree>();
+
+		debug_mesh_cache->add_surface(Mesh::PRIMITIVE_LINES,arr);
+
+		if (st) {
+			debug_mesh_cache->surface_set_material(0,st->get_debug_collision_material());
+		}
+
+	}
+
+
+
+	return debug_mesh_cache;
+
+}
 
 Shape::Shape() {
 
@@ -49,3 +107,4 @@ Shape::~Shape() {
 
 	PhysicsServer::get_singleton()->free(shape);
 }
+