/// <summary>
/// Creates GUI elements for fields common to all joints.
/// </summary>
protected virtual void BuildGUI(Joint joint, bool showOffsets)
{
this.showOffsets = showOffsets;
targetField = new GUIGameObjectField(typeof(Rigidbody), new LocEdString("Target"));
anchorField = new GUIGameObjectField(typeof(Rigidbody), new LocEdString("Anchor"));
if (showOffsets)
{
targetOffsetField = new GUIVector3Field(new LocEdString("Target offset"));
anchorOffsetField = new GUIVector3Field(new LocEdString("Anchor offset"));
}
breakForceField = new GUIFloatField(new LocEdString("Break force"));
breakTorqueField = new GUIFloatField(new LocEdString("Break torque"));
collisionField = new GUIToggleField(new LocEdString("Enable collision"));
targetField.OnChanged += x => { joint.SetRigidbody(JointBody.Target, (Rigidbody)x); MarkAsModified(); ConfirmModify(); };
anchorField.OnChanged += x => { joint.SetRigidbody(JointBody.Anchor, (Rigidbody)x); MarkAsModified(); ConfirmModify(); };
if(showOffsets)
{
targetOffsetField.OnChanged += x => { joint.SetPosition(JointBody.Target, x); MarkAsModified(); };
targetOffsetField.OnFocusLost += ConfirmModify;
targetOffsetField.OnConfirmed += ConfirmModify;
anchorOffsetField.OnChanged += x => { joint.SetPosition(JointBody.Anchor, x); MarkAsModified(); };
anchorOffsetField.OnFocusLost += ConfirmModify;
anchorOffsetField.OnConfirmed += ConfirmModify;
}
breakForceField.OnChanged += x => { joint.BreakForce = x; MarkAsModified(); };
breakForceField.OnFocusLost += ConfirmModify;
breakForceField.OnConfirmed += ConfirmModify;
breakTorqueField.OnChanged += x => { joint.BreakTorque = x; MarkAsModified(); };
breakTorqueField.OnFocusLost += ConfirmModify;
breakTorqueField.OnConfirmed += ConfirmModify;
collisionField.OnChanged += x => { joint.EnableCollision = x; MarkAsModified(); ConfirmModify(); };
Layout.AddElement(targetField);
if(showOffsets)
Layout.AddElement(targetOffsetField);
Layout.AddElement(anchorField);
if(showOffsets)
Layout.AddElement(anchorOffsetField);
Layout.AddElement(breakForceField);
Layout.AddElement(breakTorqueField);
Layout.AddElement(collisionField);
}
/// <summary>
/// Updates all GUI elements from current values in the joint.
/// </summary>
/// <param name="joint">Joint to update the GUI from.</param>
protected virtual void Refresh(Joint joint)
{
targetField.Value = joint.GetRigidbody(JointBody.Target);
anchorField.Value = joint.GetRigidbody(JointBody.Anchor);
if (showOffsets)
{
targetOffsetField.Value = joint.GetPosition(JointBody.Target);
anchorOffsetField.Value = joint.GetPosition(JointBody.Anchor);
}
breakForceField.Value = joint.BreakForce;
breakTorqueField.Value = joint.BreakTorque;
collisionField.Value = joint.EnableCollision;
}
/// <summary>
/// Sets that joint that this rigidbody is attached to. Allows the rigidbody to notify the joint when it moves.
/// </summary>
/// <param name="joint">Joint the rigidbody is attached to, or null if none.</param>
internal void SetJoint(Joint joint)
{
parentJoint = joint;
}
/// <summary>
/// Returns the anchor position for the specified joint body. Anchor represents the world position of the rigidbody
/// added to the offset provided by the joint.
/// </summary>
/// <param name="joint">Joint from which to retrieve the body.</param>
/// <param name="body">Body to retrieve the anchor for.</param>
/// <returns>Anchor position in world space.</returns>
private static Vector3 GetAnchor(Joint joint, JointBody body)
{
Rigidbody rigidbody = joint.GetRigidbody(body);
Vector3 anchor = joint.GetPosition(body);
if (rigidbody != null)
{
Quaternion worldRot = rigidbody.SceneObject.Rotation;
anchor = worldRot.Rotate(anchor) + rigidbody.SceneObject.Position;
}
else
{
Quaternion worldRot = joint.SceneObject.Rotation;
anchor = worldRot.Rotate(anchor) + joint.SceneObject.Position;
}
return anchor;
}
/// <summary>
/// Sets that joint that this rigidbody is attached to. Allows the rigidbody to notify the joint when it moves.
/// </summary>
/// <param name="joint">Joint the rigidbody is attached to, or null if none.</param>
internal void SetJoint(Joint joint)
{
parentJoint = joint;
}
