Make debug data available to user interface

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3698 dfc29bdd-3216-0410-991c-e03cc46cb475

examples/12.TerrainRendering/main.cpp

@@ -29,10 +29,10 @@ class MyEventReceiver : public IEventReceiver
 public:
 
 	MyEventReceiver(scene::ISceneNode* terrain, scene::ISceneNode* skybox, scene::ISceneNode* skydome) :
-		Terrain(terrain), Skybox(skybox), Skydome(skydome), showBox(true)
+		Terrain(terrain), Skybox(skybox), Skydome(skydome), showBox(true), showDebug(false)
 	{
-		Skybox->setVisible(true);
-		Skydome->setVisible(false);
+		Skybox->setVisible(showBox);
+		Skydome->setVisible(!showBox);
 	}
 
 	bool OnEvent(const SEvent& event)
@@ -62,6 +62,10 @@ public:
 				Skybox->setVisible(showBox);
 				Skydome->setVisible(!showBox);
 				return true;
+			case irr::KEY_KEY_X: // toggle debug information
+				showDebug=!showDebug;
+				Terrain->setDebugDataVisible(showDebug?scene::EDS_BBOX_ALL:scene::EDS_OFF);
+				return true;
 			default:
 				break;
 			}
@@ -75,6 +79,7 @@ private:
 	scene::ISceneNode* Skybox;
 	scene::ISceneNode* Skydome;
 	bool showBox;
+	bool showDebug;
 };
 
 
@@ -177,7 +182,6 @@ int main()
 	terrain->setMaterialType(video::EMT_DETAIL_MAP);
 
 	terrain->scaleTexture(1.0f, 20.0f);
-	//terrain->setDebugDataVisible ( true );
 
 	/*
 	To be able to do collision with the terrain, we create a triangle selector.