@esotericsoftware/spine-core
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The official Spine Runtimes for the web.
62 lines • 8.93 kB
JavaScript
/******************************************************************************
* 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 { ConstraintData, ScaleYMode } from "./ConstraintData.js";
import { IkConstraint } from "./IkConstraint.js";
import { IkConstraintPose } from "./IkConstraintPose.js";
/** Stores the setup pose for an {@link IkConstraint}.
*
* See [IK constraints](http://esotericsoftware.com/spine-ik-constraints) in the Spine User Guide. */
export class IkConstraintData extends ConstraintData {
/** The bones that are constrained by this IK constraint. */
bones = [];
_target = null;
/** The bone that is the IK target. */
set target(boneData) { this._target = boneData; }
get target() {
if (!this._target)
throw new Error("target cannot be null.");
return this._target;
}
/** Determines how the {@link BonePose.scaleY} changes when {@link IkConstraintPose.compress} or
* {@link IkConstraintPose.stretch} set {@link BonePose.scaleX}. */
_scaleYMode = ScaleYMode.None;
set scaleYMode(scaleYMode) { this._scaleYMode = scaleYMode; }
get scaleYMode() {
if (this._scaleYMode == null)
throw new Error("scaleYMode cannot be null.");
return this._scaleYMode;
}
constructor(name) {
super(name, new IkConstraintPose());
}
create(skeleton) {
return new IkConstraint(this, skeleton);
}
}
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