void CreateInterpolationCam(
	int iBank,
	float fTime,
	D3DXVECTOR3&	CamPos, 
	D3DXVECTOR3&	LookAt )
{
	D3DXVECTOR3 vecPos( 
		GetFloatParam( iBank, 0 ),
		GetFloatParam( iBank, 1 ),
		GetFloatParam( iBank, 2 ) );
	D3DXVECTOR3 vecPos2( 
		GetFloatParam( iBank + 1, 0 ),
		GetFloatParam( iBank + 1, 1 ),
		GetFloatParam( iBank + 1, 2 ) );
	D3DXVECTOR3 vecLookAt( 
		GetFloatParam( iBank + 2, 0 ),
		GetFloatParam( iBank + 2, 1 ),
		GetFloatParam( iBank + 2, 2 ) );
	D3DXVECTOR3 vecLookAt2( 
		GetFloatParam( iBank + 3, 0 ),
		GetFloatParam( iBank + 3, 1 ),
		GetFloatParam( iBank + 3, 2 ) );
	CamPos= vecPos + vecPos2 * fTime * GetFloatParam( iBank + 1, 3 );
	LookAt= vecLookAt + vecLookAt2 * fTime * GetFloatParam( iBank + 3, 3 );
}

void CreateRotationCam( 
	int iBank,
	float fTime,
	D3DXVECTOR3&	CamPos, 
	D3DXVECTOR3&	LookAt )
{

	D3DXVECTOR3 vecPos( 
		GetFloatParam( iBank, 0 ),
		GetFloatParam( iBank, 1 ),
		GetFloatParam( iBank, 2 ) );
	const float fRadiusA= GetFloatParam( iBank + 1, 0 );
	const float fSpeedA= GetFloatParam( iBank + 1, 1 ) * c_2PI;
	const float fRadiusB= GetFloatParam( iBank + 1, 2 );
	const float fSpeedB= GetFloatParam( iBank + 1, 3 ) * c_2PI;
	D3DXVECTOR3 vecLook( 
		GetFloatParam( iBank + 2, 0 ),
		GetFloatParam( iBank + 2, 1 ),
		GetFloatParam( iBank + 2, 2 ) );
	vecPos.x+= sinf( fSpeedA * fTime ) * fRadiusA;
	vecPos.z+= cosf( fSpeedA * fTime ) * fRadiusA;

	vecPos.y+= sinf( fSpeedB * fTime ) * fRadiusB;
	vecPos.z+= cosf( fSpeedB * fTime ) * fRadiusB;

	CamPos= vecPos;
	LookAt= vecLook;
}

void SetCamera( SCameraDescription* pCam, float fTime )
{
	D3DXMATRIX mat;

	D3DXVECTOR3	CamPos;
	D3DXVECTOR3	LookAt;

	switch( pCam->m_iType )
	{
	case 0:
		CreateInterpolationCam( 
			pCam->m_iBaseBank, 
			fTime, 
			CamPos, 
			LookAt );
		break;
	case 1:
		CreateRotationCam( 
			pCam->m_iBaseBank, 
			fTime, 
			CamPos, 
			LookAt );
		break;
	}

	D3DXMatrixLookAtLH( &mat,
		(D3DXVECTOR3*)&CamPos, 
		(D3DXVECTOR3*)&LookAt, 
		(D3DXVECTOR3*)&D3DXVECTOR3( 0.0f, 1.0f, 0.0f ) );
	g_d3d_device->SetTransform( D3DTS_VIEW, &mat );
}