Esempi in C++ (Cpp) per LineSegmentSide::hasMapSide

Esempio n. 1

File: hplane.cpp Progetto: skyjake/Doomsday-Engine

void HPlane::configure(LineSegmentSide const &newBaseSeg)
{
    // Only map line segments are suitable.
    DENG2_ASSERT(newBaseSeg.hasMapSide());

    LOG_AS("HPlane::configure");

    // Clear the list of intersection points.
    clearIntercepts();

    // Reconfigure the partition line.
    LineSide &mapSide = newBaseSeg.mapSide();

    d->partition.direction = mapSide.to().origin() - mapSide.from().origin();
    d->partition.origin    = mapSide.from().origin();

    d->lineSegment = const_cast<LineSegmentSide *>(&newBaseSeg);

    d->length    = d->partition.direction.length();
    d->angle     = M_DirectionToAngleXY(d->partition.direction.x, d->partition.direction.y);
    d->slopeType = M_SlopeTypeXY(d->partition.direction.x, d->partition.direction.y);

    d->perp = d->partition.origin.y * d->partition.direction.x
              - d->partition.origin.x * d->partition.direction.y;

    d->para = -d->partition.origin.x * d->partition.direction.x
              -  d->partition.origin.y * d->partition.direction.y;

    //LOG_DEBUG("line segment %p %s")
    //        << &newBaseSeg << d->partition.asText();
}