87 lines
3.8 KiB
C#
87 lines
3.8 KiB
C#
|
/******************************************************************************
|
||
|
|
* Spine Runtimes License Agreement
|
||
|
|
* Last updated July 28, 2023. Replaces all prior versions.
|
||
|
|
*
|
||
|
|
* Copyright (c) 2013-2023, Esoteric Software LLC
|
||
|
|
*
|
||
|
|
* Integration of the Spine Runtimes into software or otherwise creating
|
||
|
|
* derivative works of the Spine Runtimes is permitted under the terms and
|
||
|
|
* conditions of Section 2 of the Spine Editor License Agreement:
|
||
|
|
* http://esotericsoftware.com/spine-editor-license
|
||
|
|
*
|
||
|
|
* Otherwise, it is permitted to integrate the Spine Runtimes into software or
|
||
|
|
* otherwise create derivative works of the Spine Runtimes (collectively,
|
||
|
|
* "Products"), provided that each user of the Products must obtain their own
|
||
|
|
* Spine Editor license and redistribution of the Products in any form must
|
||
|
|
* include this license and copyright notice.
|
||
|
|
*
|
||
|
|
* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
|
||
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
|
||
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
|
||
|
|
* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
|
||
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
|
||
|
|
* SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
using UnityEngine;
|
||
|
|
|
||
|
|
namespace Spine.Unity {
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Utility component to support flipping of hinge chains (chains of HingeJoint objects) along with the parent skeleton.
|
||
|
|
/// Note that flipping needs to be performed by 180 degree rotation at <see cref="SkeletonUtility"/>,
|
||
|
|
/// by setting <see cref="SkeletonUtility.flipBy180DegreeRotation"/> to true, not via negative scale.
|
||
|
|
///
|
||
|
|
/// Note: This component is automatically attached when calling "Create Hinge Chain" at <see cref="SkeletonUtilityBone"/>,
|
||
|
|
/// do not attempt to use this component for other purposes.
|
||
|
|
/// </summary>
|
||
|
|
public class FollowSkeletonUtilityRootRotation : MonoBehaviour {
|
||
|
|
|
||
|
|
const float FLIP_ANGLE_THRESHOLD = 100.0f;
|
||
|
|
|
||
|
|
public Transform reference;
|
||
|
|
Vector3 prevLocalEulerAngles;
|
||
|
|
|
||
|
|
private void Start () {
|
||
|
|
prevLocalEulerAngles = this.transform.localEulerAngles;
|
||
|
|
}
|
||
|
|
|
||
|
|
void FixedUpdate () {
|
||
|
|
this.transform.rotation = reference.rotation;
|
||
|
|
|
||
|
|
bool wasFlippedAroundY = Mathf.Abs(this.transform.localEulerAngles.y - prevLocalEulerAngles.y) > FLIP_ANGLE_THRESHOLD;
|
||
|
|
bool wasFlippedAroundX = Mathf.Abs(this.transform.localEulerAngles.x - prevLocalEulerAngles.x) > FLIP_ANGLE_THRESHOLD;
|
||
|
|
if (wasFlippedAroundY)
|
||
|
|
CompensatePositionToYRotation();
|
||
|
|
if (wasFlippedAroundX)
|
||
|
|
CompensatePositionToXRotation();
|
||
|
|
|
||
|
|
prevLocalEulerAngles = this.transform.localEulerAngles;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Compensates the position so that a child at the reference position remains in the same place,
|
||
|
|
/// to counter any movement that occurred by rotation.
|
||
|
|
/// </summary>
|
||
|
|
void CompensatePositionToYRotation () {
|
||
|
|
Vector3 newPosition = reference.position + (reference.position - this.transform.position);
|
||
|
|
newPosition.y = this.transform.position.y;
|
||
|
|
this.transform.position = newPosition;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Compensates the position so that a child at the reference position remains in the same place,
|
||
|
|
/// to counter any movement that occurred by rotation.
|
||
|
|
/// </summary>
|
||
|
|
void CompensatePositionToXRotation () {
|
||
|
|
Vector3 newPosition = reference.position + (reference.position - this.transform.position);
|
||
|
|
newPosition.x = this.transform.position.x;
|
||
|
|
this.transform.position = newPosition;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|