(C++)Irrlicht 1.1 : Fake Glow,Dream and Night Vision

Post those lines of code you feel like sharing or find what you require for your project here; or simply use them as tutorials.
Neji[Ger]
Posts: 5
Joined: Tue Aug 21, 2007 12:36 am

Post by Neji[Ger] »

need new screenshots pls :)
Soory for my BAD english!

STNE
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MasterGod
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Post by MasterGod »

And new link for demo :)
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Vsk
Posts: 343
Joined: Thu Sep 27, 2007 4:43 pm

Post by Vsk »

Can anyone explain which are the correct values to set in glow and dream eeffects?, What are those size in dreame effect?
Anyone have a description of what mean every parameter of any function?
Thanks
squisher
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Post by squisher »

bump.. still needs new screenshots and demo! :?
BlindSide
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Post by BlindSide »

Since the links on the main post are down I uploaded it here:
http://irrlichtirc.g0dsoft.com/Simson/Demo_N3.rar

It's still for Irrlicht 1.1, so when someone gets the time they should convert it.

Cheers
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joshcryer
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Post by joshcryer »

Image

Image

Image
psychophoniac
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Post by psychophoniac »

i have got a tip for you, since you render the scene multiple times via

Code: Select all

driver->beginScene(...);
smgr->drawAll();
driver->endScene()

you should the camera prevent from receiving input events, so it cant move while the actual effect is not rendered complete.
otherwise, the cam moves, and you can see the effect, but you can also see the original castle, (i noticed it especially in nightvision) a little bit moved away from where the nightvision'ed castle is ... hard to explain, i hope you know what i mean ^^
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netpipe
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hey

Post by netpipe »

if someone could update this to 1.5 that would be sweet!!
link3rn3l
Posts: 81
Joined: Wed Nov 15, 2006 5:51 pm

Re: hey

Post by link3rn3l »

tecan wrote:if someone could update this to 1.5 that would be sweet!!
nice effects, i port to 1.6 but not work ...

the code :
http://www.megaupload.com/?d=YRH3LKIY

will be the quads? i am beginner,

please help..!!!
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B@z
Posts: 876
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Post by B@z »

as for me the quad worked with fps cam (needed bindtargettorotation for other cams), but the material seemed be not too ok.
Image
Image
netpipe
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Post by netpipe »

hmmm any luck (bump) ?
B@z
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Post by B@z »

i gave up.
maybe a bigger brain will be so nice and convert it to us :3
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Image
SG57
Posts: 66
Joined: Fri May 18, 2007 5:51 am

Post by SG57 »

I guess i'm just confused how it works.

Render the scene to a texture that you then scale slightly in some direction(s) and make transparent (or additive w/ transparent_color_add) then draw the texture repeating the process. This will give a 'blurred' feel i guess.

Then you'd have to render that texture in 2D rather then 3D so you can move the camera fast without losing the filter.

I'll mess with it..
B@z
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Post by B@z »

good luck, i hope u can do something, coz i want it :3
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Simson
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Post by Simson »

CEffects.cpp

Code: Select all

/*-----------------------------------------

Programmed by Fabre Cédric

(Copland/simson) 02/10/2006

Thanks to the Irrlicht team

for this good 3D engine !

This code has not been tested under Linux.

If you find any errors or corrections,

in advance thanks you for any feedbacks.

-------------------------------------------

Contact : cf46@coder3d.com

-----------------------------------------*/



#include <irrlicht.h>

#include "CEffects.h"



using namespace irr;



CQuadSceneNode::CQuadSceneNode(scene::ISceneNode* parent,scene::ISceneManager* mgr,s32 id): scene::ISceneNode(parent, mgr, id)

{

    Material.Lighting = false;
    Material.Wireframe = false;
    Material.ZBuffer = false;
    Material.ZWriteEnable = false;
    Material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
    Material.BackfaceCulling = false;
    Material.MaterialTypeParam = 0.01f;


    VertexQuad[0].TCoords.set(0.0f, 0.0f);
    VertexQuad[1].TCoords.set(1.0f, 0.0f);
    VertexQuad[2].TCoords.set(0.0f, 1.0f);
    VertexQuad[3].TCoords.set(1.0f, 1.0f);

    VertexQuad[0].Color = video::SColor(10,60,60,60);
    VertexQuad[1].Color = video::SColor(10,60,60,60);
    VertexQuad[2].Color = video::SColor(10,60,60,60);
    VertexQuad[3].Color = video::SColor(10,60,60,60);

    Indices[0] = 0;
    Indices[1] = 1;
    Indices[2] = 2;
    Indices[3] = 3;
    Indices[4] = 2;
    Indices[5] = 1;


	Box.reset(VertexQuad[0].Pos);



	for (s32 i=1; i<4; ++i)

	{

		Box.addInternalPoint(VertexQuad[i].Pos);

	}

	AutomaticCullingState = scene::EAC_OFF;

}


void CQuadSceneNode::OnRegisterSceneNode()

{

	if (IsVisible)

		SceneManager->registerNodeForRendering(this);

	ISceneNode::OnRegisterSceneNode();

}


void CQuadSceneNode::Update()
{
    video::IVideoDriver* driver = SceneManager->getVideoDriver();
    scene::ICameraSceneNode *camera = SceneManager->getActiveCamera();

    f32 resultat = cos((camera->getFOV()/2));
    resultat = 10.001f/resultat;
    resultat = (resultat*resultat) - (10.001f*10.001f);
    resultat = sqrt(resultat);
    f32 ScaleY = resultat;
    f32 ScaleX = resultat * camera->getAspectRatio();

    core::vector3df Scale3D(ScaleX,ScaleY,0.0f);

    VertexQuad[0].Pos = Scale3D*core::vector3df(-1.0f,1.0f,0);//Haut Gauche
    VertexQuad[1].Pos = Scale3D*core::vector3df(1.0f,1.0f,0);//Haut Droite
    VertexQuad[2].Pos = Scale3D*core::vector3df(-1.0f,-1.0f,0);//Bas Gauche
    VertexQuad[3].Pos = Scale3D*core::vector3df(1.0f,-1.0f,0);//Bas Droite

    Box.reset(VertexQuad[0].Pos);
		for (s32 i=0; i<4; ++i)
			Box.addInternalPoint(VertexQuad[i].Pos);
}


void CQuadSceneNode::render()

{
    video::IVideoDriver* driver = SceneManager->getVideoDriver();

    scene::ICameraSceneNode *camera = SceneManager->getActiveCamera();

    core::matrix4 mv = camera->getViewMatrix();
    mv.makeInverse();

    core::matrix4 translation;
    translation.setTranslation(core::vector3df(0,0,10.001f+getScale().Z));
    mv*=translation;

    Update();

    driver->setTransform(video::ETS_WORLD, mv);

    driver->setMaterial(Material);
    driver->drawIndexedTriangleList(&VertexQuad[0], 4, &Indices[0], 2);

}



const core::aabbox3d<f32>& CQuadSceneNode::getBoundingBox() const

{

	return Box;

}


u32 CQuadSceneNode::getMaterialCount() const
{
    return 1;
}

video::SMaterial& CQuadSceneNode::getMaterial(u32 i)
{
    return Material;
}


//Méthode de création du Glow

void CEffects::CreateGlow(scene::ICameraSceneNode* CamGlow,scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 GlowSize=64)

{

	//On vérifi que la carte vidéo soit cappable d'utiliser le Render To Texture

	if (driver->queryFeature(video::EVDF_RENDER_TO_TARGET))

	{

		//Ici on creer notre Render Texture

		this->RTexGlow=driver->addRenderTargetTexture(core::dimension2d<u32>(GlowSize,GlowSize),"TT1");



		//Ici on va créer plusieurs quad pour simuler un effet de Blur

		for (int nbquad=0;nbquad<=3;nbquad++)

		{

			this->QuadGlow[nbquad] = new CQuadSceneNode(smgr->getRootSceneNode(), smgr, -1);

			QuadGlow[nbquad]->setScale(irr::core::vector3df(0,0,-nbquad/10.0f));

			this->QuadGlow[nbquad]->setMaterialTexture(0,RTexGlow);

			this->QuadGlow[nbquad]->drop();

		}

	}

}



//Méthode de rendu du Glow

void CEffects::RenderGlow(scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 gA=0,s32 gR=0,s32 gG=0,s32 gB=0)

{

	//On test si le Render Texture existe bien

	if (this->RTexGlow != NULL)

	{

		for (int i=0;i<=3;i++)

		{

			if (this->QuadGlow[i] != NULL)

			{
                this->QuadGlow[i]->setVisible(false);

			}

		}



		//On affiche notre scene

		driver->setRenderTarget(this->RTexGlow, true, true, video::SColor(gA,gR,gG,gB));


		smgr->drawAll();


		driver->setRenderTarget(0);

		for (int i=0;i<=3;i++)
		{
			if (this->QuadGlow[i] != NULL)
			{
                this->QuadGlow[i]->setVisible(true);
			}
		}

	}

}



//Méthode de suppression du Glow

void CEffects::DeleteGlow()

{

	if (RTexGlow){RTexGlow->drop();}

	for (int i=0;i<=3;i++)

	{

		if (QuadGlow[i] != NULL){QuadGlow[i]->remove();}

	}

}



//Méthode de création du filtre Dream
void CEffects::CreateDream(scene::ICameraSceneNode* CamDream,scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 DreamSize=64)
{
	//On vérifi que la carte vidéo soit cappable d'utiliser le Render To Texture
	if (driver->queryFeature(video::EVDF_RENDER_TO_TARGET))
	{
		//Ici on creer notre Render Texture
		this->RTexDream=driver->addRenderTargetTexture(core::dimension2d<u32>(DreamSize,DreamSize),"TT2");

		//Ici on va créer plusieurs quad pour simuler un effet de Blur
		for (int nbquad=0;nbquad<=6;nbquad++)
		{
			this->QuadDream[nbquad] = new CQuadSceneNode(smgr->getRootSceneNode(), smgr, -1);
			QuadDream[nbquad]->setScale(irr::core::vector3df(0,0,-nbquad/1.5f));
			this->QuadDream[nbquad]->setMaterialTexture(0,RTexDream);
			this->QuadDream[nbquad]->drop();
		}
	}
}

//Méthode de rendu du filtre Dream
void CEffects::RenderDream(scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 gA=0,s32 gR=0,s32 gG=0,s32 gB=0)
{
	//On test si le Render Texture existe bien
	if (this->RTexDream != NULL)
	{
		for (int i=0;i<=6;i++)
		{
			if (this->QuadDream[i] != NULL)
			{
                this->QuadDream[i]->setVisible(false);
			}
		}

		//On affiche notre scene
		driver->setRenderTarget(this->RTexDream, true, true, video::SColor(gA,gR,gG,gB));

		smgr->drawAll();

		driver->setRenderTarget(0);

		for (int i=0;i<=6;i++)
		{
			if (this->QuadDream[i] != NULL)
			{
                this->QuadDream[i]->setVisible(true);
			}
		}
	}
}


//Méthode de suppression du filtre Dream
void CEffects::DeleteDream()
{
	if (RTexDream){RTexDream->drop();}
	for (int i=0;i<=6;i++)
	{
		if (QuadDream[i] != NULL){QuadDream[i]->remove();}
	}
}

void CEffects::CreateVision(scene::ICameraSceneNode* CamVision,scene::ISceneManager* smgr,video::IVideoDriver* driver,irr::c8* NoiseFile,s32 VisionSize)
{
    irr::video::ITexture* NoiseTexture = driver->getTexture(NoiseFile);

	//On vérifi que la carte vidéo soit cappable d'utiliser le Render To Texture
	if (driver->queryFeature(video::EVDF_RENDER_TO_TARGET))
	{
		//Ici on creer notre Render Texture
		this->RTexVision=driver->addRenderTargetTexture(core::dimension2d<u32>(VisionSize,VisionSize),"TT3");

		//Ici on va créer plusieurs quad pour simuler un effet de Blur
		for (int nbquad=0;nbquad<=1;nbquad++)
		{
			this->QuadVision[nbquad] = new CQuadSceneNode(smgr->getRootSceneNode(), smgr, -1);

            QuadVision[nbquad]->getMaterial(0).DiffuseColor = video::SColor(10,10,120,10);
			QuadVision[nbquad]->getMaterial(0).EmissiveColor = video::SColor(10,10,120,10);
			QuadVision[nbquad]->getMaterial(0).AmbientColor = video::SColor(10,10,120,10);
			QuadVision[nbquad]->getMaterial(0).SpecularColor = video::SColor(10,10,120,10);
            QuadVision[nbquad]->getMaterial(0).Lighting=true;

            if (nbquad < 1)
            {
                this->QuadVision[nbquad]->setMaterialTexture(0,RTexVision);
            }
            else
            {
                QuadVision[nbquad]->setMaterialTexture(0,NoiseTexture);
            }

            QuadVision[nbquad]->setScale(irr::core::vector3df(0,0,-0.1f));

			this->QuadVision[nbquad]->drop();
		}
	}
}

void CEffects::RenderVision(scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 gA,s32 gR,s32 gG,s32 gB)
{
    //On test si le Render Texture existe bien
	if (this->RTexVision != NULL)
	{
		for (int i=0;i<=1;i++)
		{
			if (this->QuadVision[i] != NULL)
			{
                this->QuadVision[i]->setVisible(false);
			}
		}

		//On affiche notre scene
		driver->setRenderTarget(this->RTexVision, true, true, video::SColor(gA,gR,gG,gB));

		smgr->drawAll();

		driver->setRenderTarget(0);

        static int o=0;
        o++;
        if (o>=3)
        {
            o=0;
        }
        QuadVision[1]->setScale(irr::core::vector3df(0,0,-o/10.0f));

		for (int i=0;i<=1;i++)
		{
			if (this->QuadVision[i] != NULL)
			{
                this->QuadVision[i]->setVisible(true);
			}
		}
	}
}

void CEffects::DeleteVision()
{
    if (RTexVision){RTexVision->drop();}
	for (int i=0;i<=1;i++)
	{
		if (QuadVision[i] != NULL){QuadVision[i]->remove();}
	}
}

void CEffects::RenderNothing()
{
    for (int i=0;i<=3;i++)
    {
        if (this->QuadGlow[i] != NULL)
        {
            this->QuadGlow[i]->setVisible(false);
        }
    }

    for (int i=0;i<=6;i++)
    {
        if (this->QuadDream[i] != NULL)
        {
            this->QuadDream[i]->setVisible(false);
        }
    }

    for (int i=0;i<=1;i++)
    {
        if (this->QuadVision[i] != NULL)
        {
            this->QuadVision[i]->setVisible(false);
        }
    }
}
CEffects.h

Code: Select all

/*-----------------------------------------

Programmed by Fabre Cédric

(Copland/simson) 02/10/2006

Thanks to the Irrlicht team

for this good 3D engine !

This code has not been tested under Linux.

If you find any errors or corrections,

in advance thanks you for any feedbacks.

-------------------------------------------

Contact : cf46@coder3d.com

-----------------------------------------*/

#ifndef _CEFFECTS_
#define _CEFFECTS_

#include  <irrlicht.h>


using namespace irr;



//Classe QuadSceneNode pour dessiner un Quad perso

class CQuadSceneNode : public scene::ISceneNode

{

public:

	CQuadSceneNode(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id);
	virtual void OnRegisterSceneNode();

	virtual void render();

	virtual const core::aabbox3d<f32>& getBoundingBox() const;

	virtual u32 getMaterialCount() const;
	virtual video::SMaterial& getMaterial(u32 i);

private :

	core::aabbox3d<f32> Box;

	video::S3DVertex VertexQuad[4];
	u16 Indices[6];

	video::SMaterial Material;
	void Update();

};


class CEffects
{
public:

    void CreateGlow(scene::ICameraSceneNode* CamGlow,scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 GlowSize);

    void RenderGlow(scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 gA,s32 gR,s32 gG,s32 gB);

    void DeleteGlow();

    void CreateDream(scene::ICameraSceneNode* CamDream,scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 DreamSize);
    void RenderDream(scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 gA,s32 gR,s32 gG,s32 gB);
    void DeleteDream();

    void CreateVision(scene::ICameraSceneNode* CamVision,scene::ISceneManager* smgr,video::IVideoDriver* driver,irr::c8* NoiseFile,s32 VisionSize);
    void RenderVision(scene::ISceneManager* smgr,video::IVideoDriver* driver,s32 gA,s32 gR,s32 gG,s32 gB);
    void DeleteVision();

    void RenderNothing();

private:
    CQuadSceneNode* QuadGlow[4];
    video::ITexture* RTexGlow;

    CQuadSceneNode* QuadDream[7];
    video::ITexture* RTexDream;

    CQuadSceneNode* QuadVision[2];
    video::ITexture* RTexVision;
};

#endif
main.cpp

Code: Select all

/*

This Tutorial shows how to load a Quake 3 map into the

engine, create a SceneNode for optimizing the speed of

rendering and how to create a user controlled camera.



Lets start like the HelloWorld example: We include

the irrlicht header files and an additional file to be able

to ask the user for a driver type using the console.

*/

#include <irrlicht.h>

#include <iostream>


//Include the CEffects header

#include "CEffects.h"



/*

As already written in the HelloWorld example, in the Irrlicht

Engine, everything can be found in the namespace 'irr'.

To get rid of the irr:: in front of the name of every class,

we tell the compiler that we use that namespace from now on,

and we will not have to write that 'irr::'.

There are 5 other sub namespaces 'core', 'scene', 'video',

'io' and 'gui'. Unlike in the HelloWorld example,

we do not a 'using namespace' for these 5 other namespaces

because in this way you will see what can be found in which

namespace. But if you like, you can also include the namespaces

like in the previous example. Code just like you want to.

*/

using namespace irr;



/*

Again, to be able to use the Irrlicht.DLL file, we need to link with the

Irrlicht.lib. We could set this option in the project settings, but

to make it easy, we use a pragma comment lib:

*/

#pragma comment(lib, "Irrlicht.lib")



//Init the "RenderEffect" variable

int RenderEffect = 0;



class MyEventReceiver : public IEventReceiver

{

public:



	virtual bool OnEvent(const SEvent &event)

	{

		//Test if keyboard event and what key are pressed

		if (event.EventType == EET_KEY_INPUT_EVENT && event.KeyInput.PressedDown == false)

		{

			switch(event.KeyInput.Key)

			{

				case KEY_KEY_N: RenderEffect=0;

					return true;

				case KEY_KEY_G: RenderEffect=1;

					return true;

				case KEY_KEY_D: RenderEffect=2;

					return true;

				case KEY_KEY_V: RenderEffect=3;

					return true;

			}

		}

		return false;

	}

};





/*

Ok, lets start. Again, we use the main() method as start, not the

WinMain(), because its shorter to write.

*/

int main()

{

	// ask user for driver

	video::E_DRIVER_TYPE driverType;



	printf("Please select the driver you want for this example:\n"\

		" (a) Direct3D 9.0c\n (b) OpenGL 1.5\n");



	char i;

	std::cin >> i;



	//select the driver type with "a" or "b"

	switch(i)

	{

		case 'a': driverType = video::EDT_DIRECT3D9;break;

		case 'b': driverType = video::EDT_OPENGL;   break;

		default: return 1;

	}



	// create device and exit if creation failed

	IrrlichtDevice* device = createDevice(driverType, core::dimension2d<u32>(800, 600));



	//Class MyEventReceiver for the keyboard

	MyEventReceiver receiver;

	device->setEventReceiver(&receiver);



	if (device == 0)

		return 1; // could not create selected driver.



	/*

	Get a pointer to the video driver and the SceneManager so that

	we do not always have to write device->getVideoDriver() and

	device->getSceneManager().

	*/

	video::IVideoDriver* driver = device->getVideoDriver();

	scene::ISceneManager* smgr = device->getSceneManager();



	/*

	To display the Quake 3 map, we first need to load it. Quake 3 maps

	are packed into .pk3 files wich are nothing other than .zip files.

	So we add the .pk3 file to our FileSystem. After it was added,

	we are able to read from the files in that archive as they would

	directly be stored on disk.

	*/

	device->getFileSystem()->addZipFileArchive("media/map-20kdm2.pk3");



	/*

	Now we can load the mesh by calling getMesh(). We get a pointer returned

	to a IAnimatedMesh. As you know, Quake 3 maps are not really animated,

	they are only a huge chunk of static geometry with some materials

	attached. Hence the IAnimated mesh consists of only one frame,

	so we get the "first frame" of the "animation", which is our quake level

	and create an OctTree scene node with it, using addOctTreeSceneNode().

	The OctTree optimizes the scene a little bit, trying to draw only geometry

	which is currently visible. An alternative to the OctTree would be a

	AnimatedMeshSceneNode, which would draw always the complete geometry of

	the mesh, without optimization. Try it out: Write addAnimatedMeshSceneNode

	instead of addOctTreeSceneNode and compare the primitives drawed by the

	video driver. (There is a getPrimitiveCountDrawed() method in the

	IVideoDriver class). Note that this optimization with the Octree is only

	useful when drawing huge meshes consiting of lots of geometry.

	*/

	scene::IAnimatedMesh* mesh = smgr->getMesh("20kdm2.bsp");

	scene::ISceneNode* node = 0;



	if (mesh)

		node = smgr->addOctTreeSceneNode(mesh->getMesh(0));



	/*

	Because the level was modelled not around the origin (0,0,0), we translate

	the whole level a little bit.

	*/

	if (node)

		node->setPosition(core::vector3df(-1300,-144,-1249));



	//Add a camera type SceneNodeFPS to the scene

	scene::ICameraSceneNode* camera = smgr->addCameraSceneNodeFPS();



	//Hide the mouse cursor

	device->getCursorControl()->setVisible(false);




	//Here you create the effect you want to use
	CEffects effect;

	effect.CreateGlow(camera,smgr,driver,128);
	effect.CreateDream(camera,smgr,driver,128);
	effect.CreateVision(camera,smgr,driver,"media/noise.jpg",128);



	//initialise the lastFPS variable

	int lastFPS = -1;



	//Main Loop

	while(device->run())

	if (device->isWindowActive())

	{

		driver->beginScene(true, true, video::SColor(10,10,10,10));

        effect.RenderNothing();


        //Get the "RenderEffect" variable to draw the desired effect
		switch(RenderEffect)
		{
			//Here you Render the effect
			case 1:effect.RenderGlow(smgr,driver,10,10,10,10);break;
			case 2:effect.RenderDream(smgr,driver,10,10,10,10);break;
			case 3:effect.RenderVision(smgr,driver,10,10,10,10);
		}


		//Draw all

		smgr->drawAll();


		driver->endScene();



		int fps = driver->getFPS();



		//Draw the FPS in the window caption

		if (lastFPS != fps)

		{

			core::stringw str = L"Irrlicht Engine - Switch keys N.G.D.V [";

			str += driver->getName();

			str += "] FPS:";

			str += fps;



			device->setWindowCaption(str.c_str());

			lastFPS = fps;

		}

	}



	//In the end, delete the Irrlicht device.

	device->drop();



	return 0;

}


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