Cocos Creator 2.x升级至Cocos Creator 3.x

导入类时，批量导入

导入 override...关键字时，批量导入

3、

this.node.scale = 0.6

-->

this.node.setScale(0.6, 0.6);

4、

node.anchorX =

node.anchorY =

-->

.getComponent( UITransform )!.

5、

.getComponent( UIOpacity )!.opacity

.on( 'touchend',

-->

.on( NodeEventType.TOUCH_END,

7、

public audioSource!: AudioSource;

this.audioSource = this.node.getComponent( AudioSource )!;

this.audioSource.playOneShot( this.audio_arr[ 1 ], 1 );

this.audioSource.clip = this.audio_arr[ 0 ];

this.audioSource.play();

this.audioSource.stop();

8、

children[i].getBoundingBox().contains(pos_start_bg3)

-->

.getComponent( UITransform )?.hitTest( pos_touch )

9、

this.node.convertToWorldSpaceAR(children[i].getPosition())

-->

children[i].getWorldPosition();