Method setAnimationByIndex

packages/spine-plugin/src/Spine.js:475–485

* Sets the current animation for a track by animation index, discarding any queued animations. * @param {number} trackIndex - the track index * @param {number} index - the animation index * @param {boolean} [loop=false] - If true, the animation will repeat. * @returns {TrackEntry} A track en

(trackIndex, index, loop = false)

	 * @returns {TrackEntry} A track entry to allow further customization of animation playback.
	 */
	setAnimationByIndex(trackIndex, index, loop = false) {
		if (index < 0 || index >= this.skeleton.data.animations.length) {
			console.warn("Spine plugin: animation index out of range:", index);
			return undefined;
		}
		return this.setAnimation(
			trackIndex,
			this.skeleton.data.animations[index].name,
			loop,
		);
	}

	/**
	 * Sets the current animation for a track, discarding any queued animations.