2022-04-07 21:24:48 +02:00

67 lines
3.0 KiB
TypeScript

/******************************************************************************
* Spine Runtimes License Agreement
* Last updated September 24, 2021. Replaces all prior versions.
*
* Copyright (c) 2013-2021, 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 { Color, Utils } from "../Utils";
import { VertexAttachment, Attachment } from "./Attachment";
/** An attachment whose vertices make up a composite Bezier curve.
*
* See {@link PathConstraint} and [Paths](http://esotericsoftware.com/spine-paths) in the Spine User Guide. */
export class PathAttachment extends VertexAttachment {
/** The lengths along the path in the setup pose from the start of the path to the end of each Bezier curve. */
lengths: Array<number> = [];
/** If true, the start and end knots are connected. */
closed = false;
/** If true, additional calculations are performed to make calculating positions along the path more accurate. If false, fewer
* calculations are performed but calculating positions along the path is less accurate. */
constantSpeed = false;
/** The color of the path as it was in Spine. Available only when nonessential data was exported. Paths are not usually
* rendered at runtime. */
color = new Color(1, 1, 1, 1);
constructor (name: string) {
super(name);
}
copy (): Attachment {
let copy = new PathAttachment(this.name);
this.copyTo(copy);
copy.lengths = new Array<number>(this.lengths.length);
Utils.arrayCopy(this.lengths, 0, copy.lengths, 0, this.lengths.length);
copy.closed = closed;
copy.constantSpeed = this.constantSpeed;
copy.color.setFromColor(this.color);
return copy;
}
}