public static void RemoveConstraint <T>(GameObject gobject) where T : UnityEngine.Component
{
T component = gobject.GetComponent <T>();
IConstraint constraint = component as IConstraint;
ParametersController parametersController = gobject.GetComponent <ParametersController>();
if (null != parametersController)
{
ConstraintType constraintType = ConstraintType.Unknown;
switch (component)
{
case ParentConstraint _:
constraintType = ConstraintType.Parent;
break;
case LookAtConstraint _:
constraintType = ConstraintType.LookAt;
break;
}
foreach (Constraint con in constraints)
{
if (con.gobject == gobject && con.constraintType == constraintType)
{
GameObject.Destroy(con.lineGameObject);
constraints.Remove(con);
break;
}
}
}
GameObject source = constraint.GetSource(0).sourceTransform.gameObject;
ParametersController sourceParametersController = source.GetComponent <ParametersController>();
if (null != sourceParametersController)
{
sourceParametersController.RemoveConstraintHolder(gobject);
}
constraint.RemoveSource(0);
GameObject.Destroy(component);
GlobalState.FireObjectConstraint(gobject);
}
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);
}
public static void AddParentConstraint(GameObject gobject, GameObject target, int index = -1)
{
ParentConstraint constraint = gobject.GetComponent <ParentConstraint>();
if (null == constraint)
{
constraint = gobject.AddComponent <ParentConstraint>();
ParametersController parametersController = gobject.GetComponent <ParametersController>();
if (null == parametersController)
{
gobject.AddComponent <ParametersController>();
}
Constraint newConstraint = new Constraint {
gobject = gobject, target = target.transform, constraintType = ConstraintType.Parent
};
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.Parent)
{
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.translationAtRest = gobject.transform.localPosition;
constraint.rotationAtRest = gobject.transform.localRotation.eulerAngles;
Vector3 offset = Vector3.Scale(target.transform.InverseTransformPoint(gobject.transform.position), target.transform.lossyScale);
constraint.SetTranslationOffset(0, offset);
Quaternion quat = Quaternion.Inverse(target.transform.rotation) * gobject.transform.rotation;
constraint.SetRotationOffset(0, quat.eulerAngles);
constraint.constraintActive = true;
GlobalState.FireObjectConstraint(gobject);
}
