61 lines
3.6 KiB
TypeScript
61 lines
3.6 KiB
TypeScript
/******************************************************************************
|
|
* Spine Runtimes License Agreement
|
|
* Last updated April 5, 2025. Replaces all prior versions.
|
|
*
|
|
* Copyright (c) 2013-2025, 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.
|
|
*****************************************************************************/
|
|
import type { Bone } from "./Bone.js";
|
|
import type { BonePose } from "./BonePose.js";
|
|
import { Constraint } from "./Constraint.js";
|
|
import { ScaleYMode } from "./ConstraintData.js";
|
|
import type { IkConstraintData } from "./IkConstraintData.js";
|
|
import { IkConstraintPose } from "./IkConstraintPose.js";
|
|
import type { Physics } from "./Physics.js";
|
|
import type { Skeleton } from "./Skeleton.js";
|
|
/** Adjusts the local rotation of 1 or 2 constrained bones so the world position of the tip of the last bone is as close to the
|
|
* target bone as possible.
|
|
*
|
|
* See [IK constraints](http://esotericsoftware.com/spine-ik-constraints) in the Spine User Guide. */
|
|
export declare class IkConstraint extends Constraint<IkConstraint, IkConstraintData, IkConstraintPose> {
|
|
/** The 1 or 2 bones that will be modified by this IK constraint. */
|
|
readonly bones: Array<BonePose>;
|
|
/** The bone that is the IK target. */
|
|
target: Bone;
|
|
constructor(data: IkConstraintData, skeleton: Skeleton);
|
|
copy(skeleton: Skeleton): IkConstraint;
|
|
update(skeleton: Skeleton, physics: Physics): void;
|
|
sort(skeleton: Skeleton): void;
|
|
isSourceActive(): boolean;
|
|
/** Applies 1 bone IK. The target is specified in the world coordinate system. */
|
|
static apply(skeleton: Skeleton, bone: BonePose, targetX: number, targetY: number, compress: boolean, stretch: boolean, scaleYMode: ScaleYMode, mix: number): void;
|
|
/** Applies 2 bone IK. The target is specified in the world coordinate system.
|
|
* @param child A direct descendant of the parent bone. */
|
|
static apply(skeleton: Skeleton, parent: BonePose, child: BonePose, targetX: number, targetY: number, bendDir: number, stretch: boolean, scaleYMode: ScaleYMode, softness: number, mix: number): void;
|
|
private static apply1;
|
|
/** Applies 2 bone IK. The target is specified in the world coordinate system.
|
|
* @param child A direct descendant of the parent bone. */
|
|
private static apply2;
|
|
}
|