GLuint CC3MeshNode::findFirstGlobal( GLuint maxHitCount, CC3MeshIntersection* intersections, CC3Ray aRay, bool acceptBackFaces, bool acceptBehind )
{
if ( !_mesh )
return 0;
// Convert the array to local coordinates and find intersections.
CC3Ray localRay = getGlobalTransformMatrixInverted()->transformRay( aRay );
GLuint hitCount = findFirst( maxHitCount, intersections, localRay, acceptBackFaces, acceptBehind );
// Convert the intersections to global coordinates.
for (GLuint hitIdx = 0; hitIdx < hitCount; hitIdx++)
{
CC3MeshIntersection* hit = &intersections[hitIdx];
hit->location = getGlobalTransformMatrix()->transformLocation( hit->location );
hit->distance = hit->location.distance( aRay.startLocation );
}
return hitCount;
}
void CC3MeshNode::setGlobalLightPosition( const CC3Vector4& aPosition )
{
CC3Vector4 localLtPos = getGlobalTransformMatrixInverted()->transformHomogeneousVector( aPosition );
getMaterial()->setLightDirection( localLtPos.cc3Vector() );
super::setGlobalLightPosition( aPosition );
}
CC3Matrix* CC3Camera::getViewMatrix()
{
return getGlobalTransformMatrixInverted();
}