//----------------------------------------------------------------//
void MOAIQuadBrush::TransformUVs ( const ZLAffine3D& mtx ) {
mtx.Transform ( this->mUVQuad.mV [ 0 ]);
mtx.Transform ( this->mUVQuad.mV [ 1 ]);
mtx.Transform ( this->mUVQuad.mV [ 2 ]);
mtx.Transform ( this->mUVQuad.mV [ 3 ]);
}
//----------------------------------------------------------------//
void ZLPrism::Transform ( const ZLAffine3D& mtx ) {
mtx.Transform ( mLoc );
mtx.TransformVec ( mXAxis );
mtx.TransformVec ( mYAxis );
mtx.TransformVec ( mZAxis );
}
//----------------------------------------------------------------//
bool ZLFrustum::GetXYSectRect ( const ZLAffine3D& mtx, ZLRect& rect ) const {
u32 nHits = 0;
ZLVec2D hits [ 12 ];
ZLVec3D nlt = this->mPoints [ NEAR_LT_POINT ];
ZLVec3D nrt = this->mPoints [ NEAR_RT_POINT ];
ZLVec3D nrb = this->mPoints [ NEAR_RB_POINT ];
ZLVec3D nlb = this->mPoints [ NEAR_LB_POINT ];
ZLVec3D flt = this->mPoints [ FAR_LT_POINT ];
ZLVec3D frt = this->mPoints [ FAR_RT_POINT ];
ZLVec3D frb = this->mPoints [ FAR_RB_POINT ];
ZLVec3D flb = this->mPoints [ FAR_LB_POINT ];
mtx.Transform ( nlt );
mtx.Transform ( nrt );
mtx.Transform ( nrb );
mtx.Transform ( nlb );
mtx.Transform ( flt );
mtx.Transform ( frt );
mtx.Transform ( frb );
mtx.Transform ( flb );
if ( _vecToXYPlane ( nlt, flt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nrt, frt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nrb, frb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nlb, flb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nlt, nrt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nrt, nrb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nrb, nlb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nlb, nlt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( flt, frt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( frt, frb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( frb, flb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( flb, flt, hits [ nHits ])) ++nHits;
if ( nHits ) {
rect.Init ( hits [ 0 ]);
for ( u32 i = 1; i < nHits; ++i ) {
rect.Grow ( hits [ i ]);
}
return true;
}
return false;
}
//----------------------------------------------------------------//
void MOAISurfaceSampler2D::SetObjectMtx ( const ZLAffine3D& localToWorld, const ZLAffine3D& worldToLocal ) {
this->mLocalToSampleMtx = localToWorld;
this->mLocalToSampleMtx.Append ( this->mWorldToSampleMtx );
this->mLocalRect = this->mWorldRect;
worldToLocal.Transform ( this->mLocalRect );
}
int GIIHelper::_setWorldLoc( lua_State *L ){
MOAILuaState state (L);
if ( !state.CheckParams ( 1, "UN" )) return 0;
MOAITransform* dst = state.GetLuaObject< MOAITransform >(1, true);
float x = state.GetValue< float >( 2, 0.0f );
float y = state.GetValue< float >( 3, 0.0f );
float z = state.GetValue< float >( 4, 0.0f );
ZLVec3D loc;
loc.Init( x, y, z );
const ZLAffine3D* inherit = dst->GetLinkedValue < ZLAffine3D* >( PACK_ATTR ( MOAITransformBase, MOAITransformBase::INHERIT_TRANSFORM ), 0 );
if( inherit ) {
ZLAffine3D inverse;
inverse.Inverse( *inherit );
inverse.Transform( loc );
}
dst->SetLoc( loc );
dst->ScheduleUpdate();
return 0;
}
int GIIHelper::_copyWorldTransform( lua_State *L ){
ZLAffine3D tmp;
ZLAffine3D tmp1;
float rx,ry,rz;
MOAILuaState state (L);
if ( !state.CheckParams ( 1, "UU" )) return 0;
MOAITransform* src = state.GetLuaObject< MOAITransform >(1, true);
MOAITransform* dst = state.GetLuaObject< MOAITransform >(2, true);
const ZLAffine3D& srcMtx = src->GetLocalToWorldMtx ();
const ZLAffine3D* inherit = dst->GetLinkedValue < ZLAffine3D* >( PACK_ATTR ( MOAITransformBase, MOAITransformBase::INHERIT_TRANSFORM ), 0 );
tmp.Init( src->GetLocalToWorldMtx() );
if( inherit ) {
tmp1.Inverse( *inherit );
tmp.Append( tmp1 );
}
ZLVec3D loc = tmp.GetTranslation();
ZLVec3D scale = tmp.GetStretch();
dst->SetLoc( loc );
dst->SetScl( scale );
rz = tmp.GetRot();
dst->SetRot( 0, 0, rz );
dst->ScheduleUpdate();
return 0;
}
//----------------------------------------------------------------//
void ZLQuaternion::Set ( const ZLMatrix4x4& m ) {
ZLAffine3D affine;
affine.Init ( m );
this->Set ( affine );
}
