/// <summary>
/// Find leaf closest to point
/// </summary>
/// <param name="point">Point</param>
public BSPTree FindNext(Point3D point)
{
switch (partition.Classify(point))
{
case Halfspace.Negative: return(back);
case Halfspace.Positive: return(front);
}
return(null);
}
/// <summary>
/// Add mesh to model
/// </summary>
public void Render(MeshGeometry3D target, Point3D cameraPos, double alpha)
{
for (int posIndex = 0; posIndex < geometry.Positions.Count; posIndex += 4)
{
// Just get first vertex normal (assume all the same)
Plane plane = new Plane(positions[posIndex], geometry.Normals[posIndex]);
if (plane.Classify(cameraPos) == Halfspace.Positive)
{
AddRectangleIndices(target);
for (int i = 0; i < 4; ++i)
{
// Add vertex positions
target.Positions.Add(positions[posIndex + i]);
target.TextureCoordinates.Add(new System.Windows.Point(((materialOffset - 0.5) * alpha) + 0.5, 0));
}
}
}
}
/// <summary>
/// Add mesh to model
/// </summary>
public void Render( MeshGeometry3D target, Point3D cameraPos, double alpha )
{
for ( int posIndex = 0; posIndex < geometry.Positions.Count; posIndex += 4 )
{
// Just get first vertex normal (assume all the same)
Plane plane = new Plane( positions[ posIndex ], geometry.Normals[ posIndex ] );
if ( plane.Classify( cameraPos ) == Halfspace.Positive )
{
AddRectangleIndices( target );
for ( int i = 0; i < 4; ++ i )
{
// Add vertex positions
target.Positions.Add( positions[ posIndex + i ] );
target.TextureCoordinates.Add( new System.Windows.Point( ( ( materialOffset - 0.5 ) * alpha ) + 0.5, 0 ) );
}
}
}
}