void CDemo::shoot()

{

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

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



	if (!camera || !mapSelector)

		return;



	SParticleImpact imp; 

	imp.when = 0;



	// get line of camera



	core::vector3df start = camera->getPosition();

	core::vector3df end = (camera->getTarget() - start);

	end.normalize();

	start += end*5.0f;

	end = start + (end * camera->getFarValue());

	



	core::triangle3df triangle;



	core::line3d<f32> line(start, end);



	// get intersection point with map



	if (sm->getSceneCollisionManager()->getCollisionPoint(

		line, mapSelector, end, triangle))

	{

		// collides with wall

		core::vector3df out = triangle.getNormal();

		out.setLength(0.03f);



		imp.when = 1;

		imp.outVector = out;

		imp.pos = end;

	}

	else

	{

		// doesnt collide with wall

		end = (camera->getTarget() - start);

		end.normalize();

		end = start + (end * 1000);

	}



	// create fire ball

	scene::ISceneNode* node = 0;

	node = sm->addBillboardSceneNode(0,

		core::dimension2d<f32>(25,25), start);



	node->setMaterialFlag(video::EMF_LIGHTING, false);

	node->setMaterialTexture(0, device->getVideoDriver()->getTexture("../../media/fireball.bmp"));

	node->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);

		

	f32 length = (f32)(end - start).getLength();

	const f32 speed = 0.6f;

	u32 time = (u32)(length / speed);



	scene::ISceneNodeAnimator* anim = 0;



	// set flight line



	anim = sm->createFlyStraightAnimator(start, end, time);

	node->addAnimator(anim);	

	anim->drop();



	anim = sm->createDeleteAnimator(time);

	node->addAnimator(anim);

	anim->drop();



	if (imp.when)

	{

		// create impact note

		imp.when = device->getTimer()->getTime() + (time - 100);

		Impacts.push_back(imp);

	}



	// play sound

	#ifdef USE_IRRKLANG

	if (ballSound)

		irrKlang->play2D(ballSound);

	#endif

	#ifdef USE_SDL_MIXER

	if (ballSound)

		playSound(ballSound);

	#endif

}