bool CGrass::Initialize(std::string texture,int MaxGrass,float x,float y)	
{	
	m_MaxGrass = MaxGrass;

	GrassVertex vertexdata[]=
	{
		//  x   y     z    tu1   tv1   tu2   tv2
		{ -x,  0.0f, 0.0f, 1.0f,  1.0f, 0.0f, 0.0f},
		{  x,  0.0f, 0.0f, 0.01f, 1.0f, 0.0f, 0.0f},
		{  x, -y,    0.0f, 0.01f, 0.01f,0.0f, 0.0f},
		{ -x,  0.0f, 0.0f, 1.0f,  1.0f ,0.0f, 0.0f},
		{  x, -y,    0.0f, 0.01f, 0.01f,0.0f, 0.0f},
		{ -x, -y,    0.0f, 1.0f,  0.01f,0.0f, 0.0f},
	};

	Renderer->device->CreateVertexBuffer(sizeof(GrassVertex)*m_MaxGrass*6,
		              D3DUSAGE_WRITEONLY,GrassVertex::FVF,
		              D3DPOOL_DEFAULT,&m_GrassVb,0);
	GrassVertex* vertexptr;
	m_GrassVb->Lock(0,6*m_MaxGrass*sizeof(GrassVertex),(void**)vertexptr,0);
	
	for (int j=0; j < m_MaxGrass; j++)
	{
		// Generate each quad at random position, orientation, height
		
		D3DXMATRIX mat;
		D3DXMatrixIdentity( &matRandom);

	
		const int Area=Terrain->GetMapSize()*Terrain->GetMapScale();
		d.x =GetRandom(0,(Area))*4;
		d.z =GetRandom(0,(Area))*4;		
		hy = Terrain->GetTerrainHeight(d.x,d.z);		
		d.y = hy;
		float heightScale = ((float)rand()/RAND_MAX - 0.5f)/2.0f + 1.0f;

		D3DXMatrixRotationX( &mat, D3DX_PI);		
		D3DXMatrixMultiply( &matRandom, &matRandom, &mat );
		D3DXMatrixTranslation( &mat, d.x,d.y, d.z);
		D3DXMatrixMultiply( &matRandom, &matRandom, &mat );
		D3DXMatrixScaling( &mat, 1.0f, 1.0f, 1.0f);
		D3DXMatrixMultiply( &matRandom, &matRandom, &mat );
		
		float sin = sinf(rand()%50);
		float cos = cosf(rand()%10);

		for(int i=0; i < 6; i++)
		{
			D3DXVECTOR4 pos, outPos;
			pos.x = vertexdata.x;
			pos.y = vertexdata.y;
			pos.z = vertexdata.z;
			D3DXVec3Transform(&outPos,&(const struct D3DXVECTOR3pos, &(CONST D3DXMATRIX)matRandom);
			Renderer->device->SetTransform(D3DTS_WORLD,&matRandom);

			DWORD index = j * 6 + i;
			vertexptr[index].x = outPos.x;
			vertexptr[index].y = outPos.y;
			vertexptr[index].z = outPos.z;
			vertexptr[index].tu = vertexdata.tu;
			vertexptr[index].tv = vertexdata.tv;
			vertexptr[index].tu2 =sin; 
			vertexptr[index].tv2 =cos; 
		}
	}m_GrassVb->Unlock();
D3DXCreateTextureFromFile(Renderer->device,texture.c_str),&m_GrassTexture);
D3DXCreateEffectFromFile(Renderer>device,"GameData/Shaders/Grass.fx",0,0,0,0,&GrassEffect,0);
	
	return true;
};