spine-runtimes/spine-haxe/spine-haxe/spine/animation/PathConstraintPositionTimeline.hx

54 lines
2.6 KiB
Haxe

/******************************************************************************
* 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
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*****************************************************************************/
package spine.animation;
import spine.Event;
import spine.PathConstraint;
import spine.Skeleton;
/** Changes a path constraint's spine.PathConstraint.position. */
class PathConstraintPositionTimeline extends CurveTimeline1 {
/** The index of the path constraint in spine.Skeleton.pathConstraints that will be changed when this timeline is
* applied. */
public var constraintIndex:Int = 0;
public function new(frameCount:Int, bezierCount:Int, pathConstraintIndex:Int) {
super(frameCount, bezierCount, [Property.pathConstraintPosition + "|" + pathConstraintIndex]);
this.constraintIndex = pathConstraintIndex;
}
public override function apply(skeleton:Skeleton, lastTime:Float, time:Float, events:Array<Event>, alpha:Float, blend:MixBlend,
direction:MixDirection):Void {
var constraint:PathConstraint = skeleton.pathConstraints[constraintIndex];
if (constraint.active)
constraint.position = getAbsoluteValue(time, alpha, blend, constraint.position, constraint.data.position);
}
}