65 lines
1.6 KiB
C#
65 lines
1.6 KiB
C#
|
using UnityEngine;
|
||
|
|
using System.Collections;
|
||
|
|
|
||
|
|
namespace RootMotion.FinalIK {
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Offsets the transform from it's (animated) position.
|
||
|
|
/// </summary>
|
||
|
|
[System.Serializable]
|
||
|
|
public class ConstraintPositionOffset : Constraint {
|
||
|
|
|
||
|
|
#region Main Interface
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// The position offset in world space.
|
||
|
|
/// </summary>
|
||
|
|
public Vector3 offset;
|
||
|
|
|
||
|
|
public override void UpdateConstraint() {
|
||
|
|
if (weight <= 0) return;
|
||
|
|
if (!isValid) return;
|
||
|
|
|
||
|
|
// Initiating
|
||
|
|
if (!initiated) {
|
||
|
|
// Storing default values
|
||
|
|
defaultLocalPosition = transform.localPosition;
|
||
|
|
lastLocalPosition = transform.localPosition;
|
||
|
|
|
||
|
|
initiated = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check if position has changed. If true, set default local position to current.
|
||
|
|
if (positionChanged) defaultLocalPosition = transform.localPosition;
|
||
|
|
|
||
|
|
// Offsetting the position
|
||
|
|
transform.localPosition = defaultLocalPosition;
|
||
|
|
transform.position += offset * weight;
|
||
|
|
|
||
|
|
// Store the current local position to check if it has changed in the next update.
|
||
|
|
lastLocalPosition = transform.localPosition;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion Main Interface
|
||
|
|
|
||
|
|
public ConstraintPositionOffset() {}
|
||
|
|
|
||
|
|
public ConstraintPositionOffset(Transform transform) {
|
||
|
|
this.transform = transform;
|
||
|
|
}
|
||
|
|
|
||
|
|
private Vector3 defaultLocalPosition, lastLocalPosition;
|
||
|
|
private bool initiated;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Check if position has been changed by animation or any other external script.
|
||
|
|
* If not, consider the object to be static and offset only from the default rotation.
|
||
|
|
* */
|
||
|
|
private bool positionChanged {
|
||
|
|
get {
|
||
|
|
return transform.localPosition != lastLocalPosition;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|