protected override bool Initialize()
{
if (Material1 == null || Material2 == null)
{
Debug.LogWarning(name + ": Trying to create contact material with at least one unreferenced ShapeMaterial.", this);
return(false);
}
agx.Material m1 = Material1.GetInitialized <ShapeMaterial>().Native;
agx.Material m2 = Material2.GetInitialized <ShapeMaterial>().Native;
agx.ContactMaterial old = GetSimulation().getMaterialManager().getContactMaterial(m1, m2);
if (old != null)
{
Debug.LogWarning(name + ": Material manager already contains a contact material with this material pair. Ignoring this contact material.", this);
return(false);
}
m_contactMaterial = GetSimulation().getMaterialManager().getOrCreateContactMaterial(m1, m2);
if (FrictionModel != null)
{
m_contactMaterial.setFrictionModel(FrictionModel.GetInitialized <FrictionModel>().Native);
// When the user changes friction model type (enum = BoxFriction, ScaleBoxFriction etc.)
// the friction model object will create a new native instance. We'll receive callbacks
// when this happens so we can assign it to our native contact material.
FrictionModel.OnNativeInstanceChanged += OnFrictionModelNativeInstanceChanged;
}
return(true);
}
private Node GetOrCreateContactMaterial(agx.ContactMaterial contactMaterial)
{
return(GetOrCreateNode(NodeType.ContactMaterial,
contactMaterial.getUuid(),
true,
() => m_contactMaterials.Add(contactMaterial.getUuid(), contactMaterial)));
}
public override void Destroy()
{
if (GetSimulation() != null)
{
GetSimulation().getMaterialManager().remove(m_contactMaterial);
}
m_contactMaterial = null;
}
public ContactMaterial RestoreLocalDataFrom(agx.ContactMaterial contactMaterial)
{
YoungsModulus = Convert.ToSingle(contactMaterial.getYoungsModulus());
SurfaceViscosity = new Vector2(Convert.ToSingle(contactMaterial.getSurfaceViscosity(agx.ContactMaterial.FrictionDirection.PRIMARY_DIRECTION)),
Convert.ToSingle(contactMaterial.getSurfaceViscosity(agx.ContactMaterial.FrictionDirection.SECONDARY_DIRECTION)));
FrictionCoefficients = new Vector2(Convert.ToSingle(contactMaterial.getFrictionCoefficient(agx.ContactMaterial.FrictionDirection.PRIMARY_DIRECTION)),
Convert.ToSingle(contactMaterial.getFrictionCoefficient(agx.ContactMaterial.FrictionDirection.SECONDARY_DIRECTION)));
Restitution = Convert.ToSingle(contactMaterial.getRestitution());
return(this);
}
public static void AddContactMaterial(string a, string b, double restitution, double friction, double youngsModulus)
{
var material_A = new agx.Material(a);
var material_B = new agx.Material(b);
var contact_material = new agx.ContactMaterial(material_A, material_B);
contact_material.setFrictionCoefficient(restitution);
contact_material.setRestitution(friction);
contact_material.setYoungsModulus(youngsModulus);
sim_Instance.add(material_A);
sim_Instance.add(material_B);
sim_Instance.add(contact_material);
}
public ContactMaterial RestoreLocalDataFrom(agx.ContactMaterial contactMaterial)
{
YoungsModulus = Convert.ToSingle(contactMaterial.getYoungsModulus());
SurfaceViscosity = new Vector2(Convert.ToSingle(contactMaterial.getSurfaceViscosity(agx.ContactMaterial.FrictionDirection.PRIMARY_DIRECTION)),
Convert.ToSingle(contactMaterial.getSurfaceViscosity(agx.ContactMaterial.FrictionDirection.SECONDARY_DIRECTION)));
FrictionCoefficients = new Vector2(Convert.ToSingle(contactMaterial.getFrictionCoefficient(agx.ContactMaterial.FrictionDirection.PRIMARY_DIRECTION)),
Convert.ToSingle(contactMaterial.getFrictionCoefficient(agx.ContactMaterial.FrictionDirection.SECONDARY_DIRECTION)));
Restitution = Convert.ToSingle(contactMaterial.getRestitution());
Damping = Convert.ToSingle(contactMaterial.getDamping());
AdhesiveForce = Convert.ToSingle(contactMaterial.getAdhesion());
AdhesiveOverlap = Convert.ToSingle(contactMaterial.getAdhesiveOverlap());
UseContactArea = contactMaterial.getUseContactAreaApproach();
ContactReductionMode = (ContactReductionType)contactMaterial.getContactReductionMode();
var binResolution = Convert.ToInt32(contactMaterial.getContactReductionBinResolution());
ContactReductionLevel = binResolution == 3 ? ContactReductionLevelType.Minimal :
binResolution == 2 ? ContactReductionLevelType.Moderate :
ContactReductionLevelType.Aggressive;
return(this);
}