private void Start()
{
look = GetComponent <LookAtConstraint>();
player = look.GetSource(0);
target = look.GetSource(1);
}
bool HasParentOrConstraintSelected(Transform t, ref string parentLayerName)
{
Transform parent = t.parent;
while (null != parent && parent.name != "RightHanded")
{
if (Selection.IsSelected(parent.gameObject))
{
parentLayerName = LayerMask.LayerToName(parent.gameObject.layer);
return(true);
}
parent = parent.parent;
}
ParentConstraint constraint = t.gameObject.GetComponent <ParentConstraint>();
if (null != constraint)
{
if (constraint.sourceCount > 0)
{
GameObject sourceObject = constraint.GetSource(0).sourceTransform.gameObject;
if (Selection.IsSelected(sourceObject))
{
parentLayerName = LayerMask.LayerToName(sourceObject.layer);
return(true);
}
}
}
LookAtConstraint lookAtConstraint = t.gameObject.GetComponent <LookAtConstraint>();
if (null != lookAtConstraint)
{
if (lookAtConstraint.sourceCount > 0)
{
ConstraintSource constraintSource = lookAtConstraint.GetSource(0);
GameObject sourceObject = constraintSource.sourceTransform.gameObject;
if (Selection.IsSelected(lookAtConstraint.GetSource(0).sourceTransform.gameObject))
{
parentLayerName = LayerMask.LayerToName(sourceObject.layer);
return(true);
}
}
}
return(false);
}
void UpdateUIOnSelectionChanged(HashSet <GameObject> _, HashSet <GameObject> __)
{
if (null == selectedObjectNameLabel)
{
return;
}
// Clear
selectedObjectNameLabel.Text = "";
enableParentButton.Checked = false;
parentTargetLabel.Text = "";
enableLookAtButton.Checked = false;
lookAtTargetLabel.Text = "";
posLockButton.Checked = false;
rotLockButton.Checked = false;
scaleLockButton.Checked = false;
GameObject selected = null;
foreach (GameObject gobject in Selection.SelectedObjects)
{
selected = gobject;
break;
}
if (null == selected)
{
return;
}
// Selected label
if (Selection.SelectedObjects.Count > 1)
{
selectedObjectNameLabel.Text = $"{Selection.SelectedObjects.Count} objects selected";
}
else
{
selectedObjectNameLabel.Text = selected.name;
}
selectedObjectNameLabel.Text = "<color=#0079FF>" + selectedObjectNameLabel.Text + "</color>";
// Transform
UpdateTransformUI(selected);
// Constraints
ParentConstraint parentConstraint = selected.GetComponent <ParentConstraint>();
if (null != parentConstraint && parentConstraint.sourceCount > 0)
{
enableParentButton.Checked = parentConstraint.constraintActive;
parentTargetLabel.Text = parentConstraint.GetSource(0).sourceTransform.name;
}
LookAtConstraint lookAtConstraint = selected.GetComponent <LookAtConstraint>();
if (null != lookAtConstraint && lookAtConstraint.sourceCount > 0)
{
enableLookAtButton.Checked = lookAtConstraint.constraintActive;
lookAtTargetLabel.Text = lookAtConstraint.GetSource(0).sourceTransform.name;
}
}
public static void AddLookAtConstraint(GameObject gobject, GameObject target, int index = -1)
{
LookAtConstraint constraint = gobject.GetComponent <LookAtConstraint>();
if (null == constraint)
{
constraint = gobject.AddComponent <LookAtConstraint>();
ParametersController parametersController = gobject.GetComponent <ParametersController>();
if (null == parametersController)
{
gobject.AddComponent <ParametersController>();
}
Constraint newConstraint = new Constraint {
gobject = gobject, target = target.transform, constraintType = ConstraintType.LookAt
};
if (index == -1)
{
constraints.Add(newConstraint);
}
else
{
constraints.Insert(index, newConstraint);
}
ParametersController targetParametersController = target.GetComponent <ParametersController>();
if (null == targetParametersController)
{
targetParametersController = target.AddComponent <ParametersController>();
}
targetParametersController.AddConstraintHolder(gobject);
}
else
{
// update visual target for LineRenderer
foreach (Constraint c in constraints)
{
if (c.gobject == gobject && c.constraintType == ConstraintType.LookAt)
{
c.target = target.transform;
break;
}
}
}
ConstraintSource source;
if (constraint.sourceCount == 0)
{
source = new ConstraintSource();
constraint.AddSource(source);
}
else
{
source = constraint.GetSource(0);
}
source.sourceTransform = target.transform;
source.weight = 1f;
constraint.SetSource(0, source);
constraint.rotationOffset = new Vector3(0, 180, 0);
constraint.constraintActive = true;
GlobalState.FireObjectConstraint(gobject);
}