This.tween.start is not a function

[Albertos]

Hi @Dava!

I’m not sure if it is the cause of the error, but at least your tween code will not work with the latest version. Please check the post below to see what you need to change.

Engine Release: v1.66.0

Everyone, please note the breaking change in Tween library. Previously: entity .tween(entity.getLocalPosition()) .to({x: 10, y: 0, z: 0}, 1, pc.Linear) .on('complete', function () { console.log('tween completed'); }) .start(); Starting from 1.66: entity .tween(entity.getLocalPosition()) .to({x: 10, y: 0, z: 0}, 1, pc.Linear) .onComplete(() => { console.log('tween completed'); }) .start(); Same for update and loop events. You would need to update the Tween library to the latest (thank…