3.8.2 spine 怎么倒放

Creator 3.x
#1

使用方法
let trackEntry = spComp.setAnimation(0, animName, false);
trackEntry.trackTime = trackEntry.animationEnd;
spComp.timeScale = -1;

完全不生效呀

1赞
#2 
playSpineFrame(startFrame: number = 20, endFrame: number = 10) {
	let skeleton = this.node.getComponent(sp.Skeleton);
	if (startFrame > endFrame) skeleton.timeScale = -1;
	else skeleton.timeScale = 1;
	skeleton.setAnimation(0, "animation", false);
	let frameRate = 30;
	let duration = skeleton.getCurrent(0).animation.duration;
	let frames = Math.ceil(frameRate * duration);
    console.log(frames);
	skeleton.getCurrent(0).animationStart = (startFrame / frames < 0 ? 0 : startFrame / frames) * duration;
	skeleton.getCurrent(0).animationEnd = (endFrame / frames > 1 ? 1 : endFrame / frames) * duration;

}

1赞
#3

https://github.com/cocos/cocos-awesome-tech-solutions/tree/3.6.x-release/demo/Creator3.6.0_2D_SpineSpecifiedFrame
参考的这个工程 :wink:

#4 
const reversePlayback = () => {
                if (!spComp.isValid) {
                    this.unschedule(reversePlayback);
                    return;
                }
 
                if (!spNode.active) {
                    this.unschedule(reversePlayback);
                    return;
                }

                entry.trackTime -= 1 / 30; // 每帧倒退
                if (entry.trackTime <= 0) {
                    entry.trackTime = 0;
                    this.unschedule(reversePlayback);
                }
            };
            
this.schedule(reversePlayback, 0);

我搞了个这个方式, 容我试试这个你发的这个

#5

好像不可以诶, 设置 -1 完全没有效果, 还是正序播放的

#6 
	let skeleton = this.node.getComponent(sp.Skeleton);
	skeleton.setAnimation(0, "animation", false);
	skeleton.timeScale = -1;
	let duration = skeleton.getCurrent(0).animation.duration;
	skeleton.getCurrent(0).animationStart = duration;
#7

这animationEnd不设置也罢

#8

我测试了一下, 没有效果
感觉是 3.8.2 的问题
监听的log会被瞬间打出来 :sweat_smile:
image

#9

:sweat_smile: :sweat_smile: :sweat_smile:

#10

真的是闹麻了 :rofl:

#11

刚试了一下3.8.2确实有问题,我一开始用的3.8.7

#12

看了别的帖子 应该和这个有关系

#13 
     ske.setAnimation(0, `${aniName}`, false).timeScale = -1;;
        let track = ske.getState().tracks[0];
        if (track) {
            track.trackTime = track.animationEnd;
        }
2赞
#14

这个好使,牛的 :+1:

#15

skeleton.setAnimation(0, “animation”, false).timeScale = -1;
把我这个代码改成这样也行 :upside_down_face:

#16

卧槽 牛逼

#17

:joy:

#18

能用，但是倒放不能循环播放

#19

监听一下播放完毕的回调重新播放一遍呗

#20

skeleton._accTime = XXX ，自己设置动画时间，想怎么播就怎么播 :crazy_face: