/// <summary>
/// Create a new constraint given type and constraint frames.
/// </summary>
/// <param name="type">Constraint type.</param>
/// <param name="referenceFrame">Reference frame.</param>
/// <param name="connectedFrame">Connected frame.</param>
/// <returns>Constraint component, added to a new game object - null if unsuccessful.</returns>
public static Constraint Create(ConstraintType type,
ConstraintFrame referenceFrame,
ConstraintFrame connectedFrame)
{
GameObject constraintGameObject = new GameObject(Factory.CreateName("AGXUnity." + type));
try {
Constraint constraint = constraintGameObject.AddComponent <Constraint>();
constraint.Type = type;
constraint.AttachmentPair.ReferenceFrame = referenceFrame ?? new ConstraintFrame();
constraint.AttachmentPair.ConnectedFrame = connectedFrame ?? new ConstraintFrame();
// Creating a temporary native instance of the constraint, including a rigid body and frames.
// Given this native instance we copy the default configuration.
using (var tmpNative = new TemporaryNative(constraint.NativeType, constraint.AttachmentPair))
constraint.TryAddElementaryConstraints(tmpNative.Instance);
return(constraint);
}
catch (System.Exception e) {
Debug.LogException(e);
DestroyImmediate(constraintGameObject);
return(null);
}
}
/// <summary>
/// Create constraint frame given parent, world position and world rotation.
/// </summary>
/// <param name="parent">Parent game object.</param>
/// <param name="worldPosition">World position.</param>
/// <param name="worldRotation">World rotation.</param>
/// <returns>New constraint frame.</returns>
public static ConstraintFrame CreateWorld(GameObject parent, Vector3 worldPosition, Quaternion worldRotation)
{
var frame = new ConstraintFrame(parent);
frame.Position = worldPosition;
frame.Rotation = worldRotation;
return(frame);
}
