void CCoopCamera::Update( const FLOAT fFrameTime, BOOL bIsCurrent )
{
VECTOR vCombinedMin( 999999.9f, 999999.9f );
VECTOR vCombinedMax( -999999.9f, -999999.9f );
VECTOR vAvgScroll( 0.0f, 0.0f );
FLOAT fMaxSpeed = 0.0f;
BOOL bLimit = FALSE;
UINT nCamCnt = 0;
for ( INT i = 0; i < MAX_PLAYERS; i++ )
{
if ( m_pCamera[i] )
{
VECTOR vMin, vMax;
vAvgScroll += m_pCamera[i]->GetScrollNoLimit();
fMaxSpeed = Math::Max( fMaxSpeed, m_pCamera[i]->GetSpeed() );
if ( m_pCamera[i]->GetLimits( vMin, vMax ) )
{
vCombinedMin.x = Math::Min( vCombinedMin.x, vMin.x );
vCombinedMin.y = Math::Min( vCombinedMin.y, vMin.y );
vCombinedMax.x = Math::Max( vCombinedMax.x, vMax.x );
vCombinedMax.y = Math::Max( vCombinedMax.y, vMax.y );
bLimit = TRUE;
}
nCamCnt++;
}
}
if ( nCamCnt == 0 )
{
m_vCurrentScroll = VECTOR( 0.0f, 0.0f );
return;
}
ASSERT( nCamCnt > 0 );
vAvgScroll = vAvgScroll / (FLOAT)nCamCnt;
if ( bLimit )
{
vAvgScroll.x = Math::Max( vAvgScroll.x, vCombinedMin.x );
vAvgScroll.y = Math::Max( vAvgScroll.y, vCombinedMin.y );
vAvgScroll.x = Math::Min( vAvgScroll.x, vCombinedMax.x );
vAvgScroll.y = Math::Min( vAvgScroll.y, vCombinedMax.y );
}
if ( m_bCut )
{
m_vCurrentScroll = vAvgScroll;
m_bCut = FALSE;
}
else
{
FLOAT fLimit = fMaxSpeed + m_fLimit * fFrameTime ;
VECTOR vLastScroll = m_vCurrentScroll;
VECTOR vDiff = vAvgScroll - vLastScroll;
if ( vDiff.GetLengthSquared() >= fLimit * fLimit )
{
m_vCurrentScroll = vLastScroll + vDiff.Normalize() * fLimit;
}
else
{
m_vCurrentScroll = vAvgScroll;
}
}
}
