Code improvements

Author: Cambloid

External/ZittelmenEngine

@@ -4,11 +4,13 @@
 Viewport3d::Viewport3d(QWidget *parent) : 
 	QDockWidget(parent)
 {
+
 	this->renderTarget = new QWidget(this);
 	this->setWidget(this->renderTarget);
 
 	this->renderTimer = new QTimer(this);
 	connect(this->renderTimer, &QTimer::timeout, this, &Viewport3d::timer_tick);
+
 }
 
 Viewport3d::~Viewport3d()
@@ -18,13 +20,11 @@ Viewport3d::~Viewport3d()
 
 void Viewport3d::initVulkanRender()
 {
-
 	this->ziEngine.reset(new ZittelmenEngine());
 	this->ziEngine->setTargetRenderSurface(this->renderTarget);
 	this->ziEngine->initialize();
 
 	this->renderTimer->start(0);
-
 }
 
 void Viewport3d::destroyRenderer()
@@ -34,17 +34,18 @@ void Viewport3d::destroyRenderer()
 
 void Viewport3d::timer_tick()
 {
-
-
-
 	this->ziEngine->renderFrame();
 }
 
 bool Viewport3d::event(QEvent* event)
 {
+
 	if (event->type() == QEvent::Resize) {
 		QResizeEvent *resizeEvent = static_cast<QResizeEvent*>(event);
 		this->ziEngine->resize(resizeEvent->size().width(), resizeEvent->size().height());
+	
+	} else if (event->type() == QEvent::Close) {
+		this->ziEngine->destroy();
 	}
 
 	return QDockWidget::event(event);