/// <summary>
/// Gets the first intersection between a ray and the stored intersectable objects
/// </summary>
/// <param name="ray">Ray</param>
/// <param name="options">Ray cast options</param>
/// <returns>Intersection result (null if no intersection occurred)</returns>
public Line3Intersection GetFirstIntersection( Ray3 ray, RayCastOptions options )
{
options = options ?? s_DefaultOptions;
Line3Intersection closestIntersection = null;
foreach ( IRay3Intersector intersector in m_Intersectors )
{
if ( !options.TestObject( intersector ) )
{
continue;
}
Line3Intersection intersection = intersector.GetIntersection( ray );
if ( intersection != null )
{
if ( ( closestIntersection == null ) || ( closestIntersection.Distance >= intersection.Distance ) )
{
closestIntersection = intersection;
}
}
}
return closestIntersection;
}
/// <summary>
/// Casts a ray
/// </summary>
/// <param name="ray">Ray to cast</param>
/// <param name="options">Options for determining which layers to check, objects to exclude, maximum ray length (!) etc.</param>
/// <returns>Returns an array of all intersections</returns>
public Line3Intersection[] GetIntersections( Ray3 ray, RayCastOptions options )
{
options = options ?? s_DefaultOptions;
List< Line3Intersection > intersections = new List< Line3Intersection >( 4 );
foreach ( IRay3Intersector intersector in m_Intersectors )
{
if ( !options.TestObject( intersector ) )
{
continue;
}
Line3Intersection intersection = intersector.GetIntersection( ray );
if ( intersection != null )
{
intersections.Add( intersection );
}
}
return intersections.ToArray( );
}