/// <summary>
/// Generates contact information between two specified geoms that potentially intersect.
/// </summary>
/// <param name="geom1">The first geom to test for contact.</param>
/// <param name="geom2">The second geom to test for contact.</param>
/// <param name="contacts">
/// The array that will hold contact information. The length of the array determines
/// the maximum number of contacts that can be generated.
/// </param>
/// <param name="flags">Specifies contact generation options.</param>
/// <returns>
/// The number of generated contact points, if the geoms intersect; otherwise, zero.
/// </returns>
public static int Collide(Geom geom1, Geom geom2, ContactGeom[] contacts, ContactGenerationFlags flags)
{
if (geom1 == null)
{
throw new ArgumentNullException("geom1");
}
if (geom2 == null)
{
throw new ArgumentNullException("geom2");
}
if (contacts == null)
{
throw new ArgumentNullException("contacts");
}
flags |= (ContactGenerationFlags)((ushort)contacts.Length);
return(NativeMethods.dCollide(geom1.id, geom2.id, flags, contacts, ContactGeom.Size));
}
/// <summary>
/// Generates contact information between two specified geoms that potentially intersect.
/// </summary>
/// <param name="geom1">The first geom to test for contact.</param>
/// <param name="geom2">The second geom to test for contact.</param>
/// <param name="contacts">
/// The array that will hold contact information. The length of the array determines
/// the maximum number of contacts that can be generated.
/// </param>
/// <returns>
/// The number of generated contact points, if the geoms intersect; otherwise, zero.
/// </returns>
public static int Collide(Geom geom1, Geom geom2, ContactGeom[] contacts)
{
return(Collide(geom1, geom2, contacts, ContactGenerationFlags.None));
}
private int TriTriMergeCallback(IntPtr triMeshID, int firstTriangleIndex, int secondTriangleIndex)
{
var triMesh = (TriMesh)Geom.FromIntPtr(triMeshID);
return(triangleMergeCallback(triMesh, firstTriangleIndex, secondTriangleIndex));
}