C++ IVideoDriver::draw2DRectangle方法代码示例

void GUIForumPostItem::draw()
{
	if ( !IsVisible )
		return;

	IVideoDriver* pVideo = Environment->getVideoDriver();
	SColor black(255, 0, 0, 0), darkBlue(255, 0, 0, 128);

	pVideo->draw2DRectangle( AbsoluteRect, black, black, darkBlue, darkBlue, &AbsoluteClippingRect );

	IGUIElement::draw();
}

void Editor::viewportTick(Viewport viewport, rect<s32> rect,
		bool mousehit, bool middlehit)
{
	// Init
	IVideoDriver *driver = device->getVideoDriver();
	ISceneManager *smgr = device->getSceneManager();
	IGUIEnvironment *guienv = device->getGUIEnvironment();
	ViewportType type = state->getViewportType(viewport);

	// Draw camera
	smgr->setActiveCamera(camera[(int)viewport]);
	driver->setViewPort(rect);
	if (type == VIEWT_BOTTOM)
		plane->setVisible(false);
	smgr->drawAll();
	if (type == VIEWT_BOTTOM)
		plane->setVisible(true);

	// Callbacks
	if (state->Mode())
		state->Mode()->viewportTick(viewport, driver, rect);

	if (viewport_drag == viewport) {
		vector2di delta = state->mouse_position;
		delta -= viewport_drag_last;
		viewport_drag_last = state->mouse_position;
		viewport_offset[(int)viewport].X -= (f32)delta.X * 0.01f;
		viewport_offset[(int)viewport].Y += (f32)delta.Y * 0.01f;
		if (viewport_offset[(int)viewport].X > 0.5)
			viewport_offset[(int)viewport].X = 0.5;
		if (viewport_offset[(int)viewport].X < -0.5)
			viewport_offset[(int)viewport].X = -0.5;
		if (viewport_offset[(int)viewport].Y > 0.5)
			viewport_offset[(int)viewport].Y = 0.5;
		if (viewport_offset[(int)viewport].Y < -0.5)
			viewport_offset[(int)viewport].Y = -0.5;
		applyCameraOffsets(viewport);
	}

	if (middlehit && rect.isPointInside(state->mouse_position)
			&& type != VIEWT_PERS) {
		viewport_drag = viewport;
		viewport_drag_last = state->mouse_position;
	}

	// Draw text
	driver->setViewPort(rects32(0, 0, driver->getScreenSize().Width,
			driver->getScreenSize().Height));
	{
		static const wchar_t* labels[7] = {L"Perspective", L"Front", L"Left",
				L"Top", L"Back", L"Right", L"Bottom"};

		// Handle clicking
		position2d<s32> labelpos(rect.LowerRightCorner.X - 86,
				rect.UpperLeftCorner.Y + ((rect.UpperLeftCorner.Y < 50)?30:10));
		rects32 backgroundrect(rect.LowerRightCorner.X - 96,
					rect.UpperLeftCorner.Y + ((rect.UpperLeftCorner.Y < 50)?25:5),
					rect.LowerRightCorner.X - 5,
					rect.UpperLeftCorner.Y + ((rect.UpperLeftCorner.Y < 50)?185:165));
		bool context_is_open = (viewport_contextmenu == viewport);
		if (mousehit && !state->menu->dialog) {
			if ((rects32(labelpos.X, labelpos.Y, labelpos.X + 90,
					labelpos.Y + 25)).isPointInside(state->mouse_position)) {
				viewport_contextmenu = viewport;
			} else if (context_is_open) {
				context_is_open = false;
				viewport_contextmenu = VIEW_NONE;
				if (backgroundrect.isPointInside(state->mouse_position)) {
					int y = 0;
					for (int i = 0; i < 7; i++) {
						if (i != (int)type) {
							int ty = rect.UpperLeftCorner.Y +
									((rect.UpperLeftCorner.Y < 50)?56:36)
									+ y * 20;
							rects32 trect(rect.LowerRightCorner.X - 96,
									ty,
									rect.LowerRightCorner.X - 5, ty + 20);
							y++;
							if (trect.isPointInside(state->mouse_position)) {
								viewport_offset[(int)viewport] = vector3df(0, 0, 0);
								state->settings->set(viewportToSetting(viewport),
									viewportTypeToSetting((ViewportType)i));
								recreateCameras();
								break;
							}
						}
					}
				}
			}
		}

		// Context menu
		if (context_is_open) {
			// Context menu background
			driver->draw2DRectangle(SColor(100, 32, 32, 32), backgroundrect);
			s32 y2 = rect.UpperLeftCorner.Y + ((rect.UpperLeftCorner.Y < 50)?52:32);
			driver->draw2DLine(position2d<s32>(rect.LowerRightCorner.X - 96, y2),
					position2d<s32>(rect.LowerRightCorner.X - 5, y2),
					SColor(100, 255, 255, 255));
			// Draw options
//.........这里部分代码省略.........

// render
// override render state
void CGameAnimatedMeshSceneNode::render()
{
#ifdef GSEDITOR
	CGameObject::EObjectState state = m_owner->getObjectState();
	
	// draw bbox on select
	if ( 
			state == CGameObject::Move ||
			state == CGameObject::Review		
		)
		setDebugDataVisible( EDS_BBOX );
	else
		setDebugDataVisible( 0 );

	// call object draw
	m_owner->drawObject();	
#endif

	// draw animesh
	CAnimatedMeshSceneNode::render();

#ifdef GSANIMATION		
	// get driver
	IVideoDriver* driver = getSceneManager()->getVideoDriver();

	ISkinnedMesh *mesh = (ISkinnedMesh*)getMesh();
	IView *pView = getIView();

	irr::gui::IGUIFont* font = getSceneManager()->getGUIEnvironment()->getBuiltInFont();

	video::SMaterial debug_mat;
	debug_mat.Lighting = false;
	debug_mat.AntiAliasing = 0;
	debug_mat.ZBuffer = video::ECFN_NEVER;
		
	for (u32 g=0; g < mesh->getAllJoints().size(); ++g)
	{
		ISkinnedMesh::SJoint *joint = mesh->getAllJoints()[g];
		core::vector3df v;
		
		//basic bone
		//core::matrix4 mat1 = joint->GlobalInversedMatrix;
		//mat1.makeInverse();

		//anim bone
		core::matrix4 mat1 = joint->GlobalAnimatedMatrix;

		// get position
		mat1.transformVect( v );
		
		// scale with character
		v *= m_owner->getScale();

		// draw name bone on screen
		int x, y;
		pView->getScreenCoordinatesFrom3DPosition( v, &x, &y );
		wchar_t text[1024];
		uiString::copy<wchar_t, const c8>( text, joint->Name.c_str() );		
		
		// draw bone position
		SColor c = SColor(255,0,0,255);	
		driver->setMaterial(debug_mat);
		driver->draw2DRectangle( c, core::rect<s32>( x - 2, y - 2, x + 2, y + 2 ) ); 

		// draw text
		font->draw( text, core::rect<s32>( x + 10, y, x + 100, y + 50), SColor(255, 255,255,0) );
	}
#endif

#ifdef GSEDITOR	
	// draw move
	if ( 
			state == CGameObject::Move || 
			state == CGameObject::Rotation ||
			state == CGameObject::Scale
		)
		m_owner->drawFrontUpLeftVector();	
	
	if ( state == CGameObject::Rotation )
		m_owner->drawCircleAroundObject();	
#endif

}

int main(int argc, char** argv) {
	CustomEventReceiver receiver;
	IrrlichtDevice *device = createDevice( video::EDT_OPENGL, dimension2d<u32>(800, 600), 16, false, false, false, &receiver);
	if (!device) {
		return EXIT_FAILURE;
    }
	device->setWindowCaption(L"Solar System Simulator");
	IVideoDriver* driver = device->getVideoDriver();
	ISceneManager* sceneManager = device->getSceneManager();
	scene::ISceneCollisionManager* collisionManager= sceneManager->getSceneCollisionManager();
	IGUIEnvironment* guiEnv = device->getGUIEnvironment();
	guiEnv->addStaticText(L"Click on a planet to attach the camera to it", rect<s32>(10,10,260,22), false);

	sf::SoundBuffer buffer;
	if (buffer.loadFromFile(currentPath() + "/sounds/burning.aif")) {
		sf::Listener::setPosition(0, 0,0);

		sf::Sound sound;
		sound.setBuffer(buffer);
		sound.setPosition(0, 0, 0);
		sound.setLoop(true);
		sound.play();
	}

	const char* spaceTexturePath = ( currentPath() + "/textures/space.jpg" ).c_str();
	video::ITexture* space = driver->getTexture(spaceTexturePath);
	scene::ISceneNode* skybox = sceneManager->addSkyBoxSceneNode(space, space, space, space, space, space);

	sceneManager->addLightSceneNode(0, vector3df(0, 0, -50),  video::SColorf(1.0f, 1.0f, 1.0f), 50.0f, 1001);

	PlanetFactory planetFactory(sceneManager, driver);
	Planet sun = planetFactory.create(PlanetId::Sun);
	Planet earth = planetFactory.create(PlanetId::Earth);
	Planet pluto = planetFactory.create(PlanetId::Pluto);
	Planet jupiter = planetFactory.create(PlanetId::Jupiter);
	Planet uranus = planetFactory.create(PlanetId::Uranus);
	Planet neptune = planetFactory.create(PlanetId::Neptune);

	vector<Planet> planets = { sun, planetFactory.create(PlanetId::Mercury) };
	planets.push_back(planetFactory.create(PlanetId::Venus));
	planets.push_back(earth);
	planets.push_back(planetFactory.create(PlanetId::Mars));
	planets.push_back(jupiter);
	planets.push_back(planetFactory.create(PlanetId::Saturn));
	planets.push_back(uranus);
	planets.push_back(neptune);
	planets.push_back(pluto);

	ICameraSceneNode* camera = sceneManager->addCameraSceneNode(0, vector3df(0,0,40), vector3df(0,0,0));
	rect<s32> mainCameraViewPortRect(0, 0, 800, 600);

	ICameraSceneNode* topViewCamera = sceneManager->addCameraSceneNode(0, vector3df(0,50,0), vector3df(0,0,0));
	
	sceneManager->setAmbientLight(video::SColorf(255.0,255.0,255.0));

	ISceneNode* selectedNode = sun.node;
	while(device->run()) {

		if(receiver.GetMouseState().LeftButtonDown) {
			position2di mousepos = receiver.GetMouseState().Position;
			line3df ray = sceneManager->getSceneCollisionManager()->getRayFromScreenCoordinates( mousepos, camera);

			vector3df intersection;
			triangle3df tri;

            for(Planet& planet : planets) {
				ITriangleSelector* wselector = sceneManager->createTriangleSelectorFromBoundingBox(planet.node);
				if (collisionManager->getCollisionPoint(ray, wselector, intersection, tri, planet.node)) {
					selectedNode = planet.node;
				}
				wselector->drop();
			}
		}

		camera->setTarget(selectedNode->getAbsolutePosition());

		skybox->setVisible(true);		
        
		driver->setViewPort(mainCameraViewPortRect);
		driver->beginScene(true, true, SColor(255,100,101,140));
		sceneManager->setActiveCamera(camera);
		sceneManager->drawAll();
		guiEnv->drawAll();

		driver->setViewPort(rect<s32>(0, 380, 200, 600));
		driver->draw2DRectangle(SColor(100,0,0,190), mainCameraViewPortRect);
		skybox->setVisible(false);		
		sceneManager->setActiveCamera(topViewCamera);
		sceneManager->drawAll();
		
		driver->endScene();
	}
	device->drop();

	return EXIT_SUCCESS;
}