Method buildPolyList

Engine/source/T3D/groundPlane.cpp:308–351

}

bool GroundPlane::buildPolyList( PolyListContext context, AbstractPolyList* polyList, const Box3F& box, const SphereF& )
{
   polyList->setObject( this );
   polyList->setTransform( &MatrixF::Identity, Point3F( 1.0f, 1.0f, 1.0f ) );

   if(context == PLC_Navigation)
   {
      F32 z = getPosition().z;
      Point3F
         p0(box.minExtents.x, box.maxExtents.y, z),
         p1(box.maxExtents.x, box.maxExtents.y, z),
         p2(box.maxExtents.x, box.minExtents.y, z),
         p3(box.minExtents.x, box.minExtents.y, z);

      // Add vertices to poly list.
      U32 v0 = polyList->addPoint(p0);
      polyList->addPoint(p1);
      polyList->addPoint(p2);
      polyList->addPoint(p3);

      // Add plane between first three vertices.
      polyList->begin(0, 0);
      polyList->vertex(v0);
      polyList->vertex(v0+1);
      polyList->vertex(v0+2);
      polyList->plane(v0, v0+1, v0+2);
      polyList->end();

      // Add plane between last three vertices.
      polyList->begin(0, 1);
      polyList->vertex(v0+2);
      polyList->vertex(v0+3);
      polyList->vertex(v0);
      polyList->plane(v0+2, v0+3, v0);
      polyList->end();

      return true;
   }

   Box3F planeBox = getPlaneBox();
   polyList->addBox( planeBox, mMaterialInst );

   return true;
}

void GroundPlane::prepRenderImage( SceneRenderState* state )
{