void CMoon::ReflectSun( SVector& vSunDirLocal_ )
{
// 처음에 해는 보름달을 비추는 방향으로 있습니다 (지역좌표계에서)
vSunDirLocal_.X = 0.0f;
vSunDirLocal_.Y = 0.0f;
vSunDirLocal_.Z = 1.0f;
// 이제 달이 찬 정도를 이용해서 Pitch 값을 만들고 빛의 방향을 정합니다.
SMatrix matSunDirRot;
matSunDirRot.SetRotation( SRotator( Rad2Angle(fPi*(1.0f-m_fFillRate)), 0, 0 ) );
vSunDirLocal_ = matSunDirRot.TransformNormal( vSunDirLocal_ );
SMatrix matMoonPitch;
matMoonPitch.SetRotation( SRotator( Rad2Angle(m_fPitch), 0, 0 ) );
SMatrix matMoonRot;
matMoonRot.SetRotation( SRotator( 0, 0, Rad2Angle(m_fRisingRate*fPi*2.0f)) );
matMoonRot = matMoonRot*matMoonPitch;
vSunDirLocal_ = matMoonRot.TransformNormal( vSunDirLocal_ );
}
void CMoon::GetRisingTransformaion( SMatrix& matResult_ )
{
// Rising Rate +Y (the zenith)
// (0.25)
// . | .
// . | .
// . | .
// (0.5) | .
// . | . (0) = (1)
// ---------------------+----------------------- +X (east)
// Transform Moon (Apply Rising Rate to Translated Moon)
SMatrix matMoonRot;
matMoonRot.SetRotation( SRotator( 0, 0, Rad2Angle(m_fRisingRate*fPi*2.0f - fPi/2.0f )) );
SMatrix matMoonPitch;
matMoonPitch.SetRotation( SRotator( Rad2Angle(m_fPitch), 0, 0 ) );
matMoonRot = matMoonRot * matMoonPitch;
SVector vMoonPos = matMoonRot.TransformVector( m_vTranslation );
matResult_.SetTranslation( vMoonPos );
Transform( matResult_ );
}
void GDynamicActor::Tick( float DeltaSeconds )
{
Super::Tick( DeltaSeconds );
GrpSuper::TickGrp( DeltaSeconds );
m_ftDelta = DeltaSeconds;
float f = max(s_fTotalCullLength, GetCullLength());
// Grid Item
if( m_pGridItem )
{
m_pGridItem->Sphere().vecCenter = m_Locus.Location;
m_pGridItem->Sphere().fRadius = Max( m_vExtent.Y, m_vExtent.X );
}
// Grid Field
if( m_nGridCell!=INVALIDINDEX && s_pGridField!=NULL )
{
// Real Shape Shadow
if( m_pShadow )
{// 그림자를 가지고 있다면 자신이 속한 셀에서 가장 가까운 광원정보를 뽑고 전혀 뽑히지 않으면 태양광으로 한다.
m_vNearestLightDir = s_vGlobalLightDir;
vector<CSceneItem*> aItem;
s_pGridField->FindItemOnPosition( m_Locus.Location, aItem );
if( !aItem.empty() )
{
float fDistNearSq = 900000.0f;
float fDistSq;
for( dword nItem=0; nItem<aItem.size(); ++nItem )
{
CSceneItem *pItem = aItem[nItem];
if( pItem->GetType()==SIT_LIGHTSOURCE )
{
DLightActor *pLightActor = DLightActor::GrpGetActor( pItem->GetSrcID() );
if( pLightActor->GetLightClass().IsValid() )
{
fDistSq = (m_Locus.Location-pLightActor->m_Locus.Location).SizeSquared();
if( fDistSq<fDistNearSq )
{
fDistNearSq = fDistSq;
m_vNearestLightDir = pLightActor->m_Locus.Location-m_Locus.Location;
}
}
}
}
m_vNearestLightDir.Normalize();
static SVector vUp( 0.0f, 1.0f, 0.0f );
float fDotNearLight = vUp|m_vNearestLightDir;
if( fDotNearLight<0.34f ) // 0.34은 약 cos(70도)
{// 너무 각도가 작은 광원은 적절한 수준으로 올리기
float fYawNear = atan2f( m_vNearestLightDir.X, m_vNearestLightDir.Z );
SMatrix matRot;
matRot.SetRotation( SRotator(Rad2Angle(-0.349f), Rad2Angle(fYawNear), 0) );
m_vNearestLightDir.X = 0.0f;
m_vNearestLightDir.Y = 0.0f;
m_vNearestLightDir.Z = 1.0f;
m_vNearestLightDir = matRot.TransformNormal( m_vNearestLightDir );
}
// 그림자 멀어지면 흐릿하게 하기
if( fDistNearSq>400.0f )
{
m_pShadow->SetColor( 0xFF777777 );
}
else if( fDistNearSq>4.0f )
{
float fR = (fDistNearSq-4.0f)/396.0f;
if( fR>1.0f ) fR = 1.0f;
byte byColor = (byte)(fR*255.0f);
if( byColor<0x77 ) byColor = 0x77;
m_pShadow->SetColor( byColor|(byColor<<8)|(byColor<<16)|0xFF000000 );
}
else
{
m_pShadow->SetColor( 0xFF777777 );
}
}
else
{
m_vNearestLightDir.Normalize();
static SVector vUp( 0.0f, 1.0f, 0.0f );
float fDotNearLight = vUp|m_vNearestLightDir;
if( fDotNearLight<0.34f ) // 0.34은 약 cos(70도)
{// 너무 각도가 작은 광원은 적절한 수준으로 올리기
float fYawNear = atan2f( m_vNearestLightDir.X, m_vNearestLightDir.Z );
SMatrix matRot;
matRot.SetRotation( SRotator(Rad2Angle(-0.349f), Rad2Angle(fYawNear), 0) );
m_vNearestLightDir.X = 0.0f;
m_vNearestLightDir.Y = 0.0f;
m_vNearestLightDir.Z = 1.0f;
m_vNearestLightDir = matRot.TransformNormal( m_vNearestLightDir );
}
m_pShadow->SetColor( 0xFF777777 );
}
}
// Approx. Shape Shadow
else if( m_pApproxShadow )
{
m_vNearestLightDir = SVector( 0.01f, 15.0f, -0.01f );
m_pApproxShadow->SetColor( 0xFF454545 );
}
if( s_pGridField->TestValidity( m_Locus.Location, m_nGridCell ) ) { return; }
// Cell 위치가 변해야 한다.
s_pGridField->UpdateItemPosition( m_nGridCell, m_pGridItem, m_Locus.Location );
m_pGridItem->Sphere().vecCenter = m_Locus.Location;
}
}