Viewer::Viewer(QWidget* parent) :
QMainWindow(parent),
resources_(ResourceManager::Create()),
default_scene_(resources_->MakeScene("default_scene")),
viewport_(new Viewport(resources_, default_scene_, this)) {
// Add a couple lights
LightNode* light0 = default_scene_->MakeLight(default_scene_->Root());
light0->SetDirection(QVector3D(1, 1, -1));
light0->SetLightType(LightType::kDirectional);
light0->SetAmbient(0.05);
// Add a camera to the scene
CameraNode* camera = default_scene_->MakeCamera(default_scene_->Root());
// Set the camera perspective projection parameters, and point it somewhere.
const QVector3D eye(5, 5, -10);
const QVector3D look_at(0, 0, 0);
const QVector3D up(0, 0, -1);
camera->LookAt(eye, look_at, up);
camera->SetProjectionParams(CameraNode::kPerspective, 50, 0.1, 5000);
// Assign the camera to the viewport
viewport_->SetCamera(camera);
// Add a renderer widget stack
renderer_widget_stack_ = new RendererWidgetStack(this);
// Whenever a renderer is added to the viewport, add its widget to
// the renderer widget stack and a menu entry.
connect(viewport_, &Viewport::RendererAdded,
this, &Viewer::OnRendererAdded);
// Similarly, whenever an input handler is added to the viewport, add
// a menu entry.
connect(viewport_, &Viewport::InputHandlerAdded,
this, &Viewer::OnInputHandlerAdded);
connect(viewport_, &Viewport::InputHandlerActivated,
this, &Viewer::OnInputHandlerActivated);
setCentralWidget(viewport_);
addDockWidget(Qt::LeftDockWidgetArea, renderer_widget_stack_);
// Add the input controls dock widget
input_handler_widget_ = new InputHandlerWidgetStack(viewport_, this);
addDockWidget(Qt::LeftDockWidgetArea, input_handler_widget_);
CreateMenus();
resize(800, 600);
}
