bool BSPBoxSplitSelector::getSplitPlane( const util::Vector<BSPPolygon*>& polys,
ProgressIndicator* progress, Vector4* splitPlane ) const
{
assert( polys.size() > 0 );
double workUnit = polys.size();
if ( progress )
progress->addProgress( workUnit );
OBBoxBuilder builder;
while ( builder.nextPass() )
{
for ( int i = 0 ; i < polys.size() ; ++i )
{
const BSPPolygon& poly = *polys[i];
for ( int k = 0 ; k < poly.vertices() ; ++k )
builder.addPoints( &poly.getVertex(k), 1 );
}
}
OBBox box = builder.box();
Vector3 center = box.translation();
Vector3 normal = box.rotation().getColumn(0);
*splitPlane = Vector4( normal.x, normal.y, normal.z, -center.dot(normal) );
return Math::abs(normal.length()-1.f) < 1e-3f && splitPlane->finite();
}
void AnimExportUtil::addFloatAnimation( const util::Vector<float>& frames, Interval animRange, KeyFrameContainer* anim, float maxErr )
{
int firstFrame = animRange.Start() / SGEXPORT_TICKS_PER_SAMPLE;
for ( TimeValue ticks = animRange.Start() ; ticks <= animRange.End() ; ticks += SGEXPORT_TICKS_PER_SAMPLE )
{
require( firstFrame >= 0 && firstFrame < frames.size() );
anim->insertKey( KeyFrame(TicksToSec(ticks),INTERP_TYPE,&frames[firstFrame++],1) );
}
}
void AnimExportUtil::resampleFloatAnimation( const util::Vector<float>& frames, Interval animRange, KeyFrameContainer* anim, float maxErr )
{
int firstFrame = animRange.Start() / SGEXPORT_TICKS_PER_SAMPLE;
require( firstFrame >= 0 && firstFrame < frames.size() );
anim->insertKey( KeyFrame(TicksToSec(animRange.Start()),INTERP_TYPE,&frames[firstFrame],1) );
anim->insertKey( KeyFrame(TicksToSec(animRange.End()),INTERP_TYPE,&frames.lastElement(),1) );
resampleFloatKeys( *anim, animRange, maxErr, frames );
if ( anim->keys() == 2 && isEqualValue(anim->getKey(0),anim->getKey(1),3) )
anim->removeKey( 1 );
}