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Attaching Objects to ZEPETO Characters

Attach an object to a ZEPETO character so that when the character moves, the object moves with it.

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STEP 1 : Prepare an Object Prefab


First, you need to turn your object into Prefab.
Create an object, drag it to the Asset folder and make it a Prefab.

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Example of an Object Prefab


STEP 2 : Script to attach the object to a specific part of the character


  • Implement the ZEPETO character creation code in Scene as a default.

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Please refer to the following guide. [Create a ZEPETO Character]


STEP 2-1 : Write the script

  1. Create Hierarchy > Create Empty Object and rename it to AttachObject.
  2. Create Project > Create > ZEPETO > TypeScript and rename it to AttachObject.
  3. Write a sample script like below.
import { ZepetoScriptBehaviour } from 'ZEPETO.Script';
import { ZepetoCharacter, ZepetoPlayers } from 'ZEPETO.Character.Controller';
import { Transform, Animator, GameObject, HumanBodyBones, Object } from 'UnityEngine';

export default class AttachObject extends ZepetoScriptBehaviour {

    // The object prefab to be attached on the body.
    public prefItem: GameObject;
    // The bone to attach the object to.
    public bodyBone: HumanBodyBones;

    private _localCharacter: ZepetoCharacter;

    Start() {
      
        ZepetoPlayers.instance.OnAddedLocalPlayer.AddListener(() => {
            // Find the local player and set it to _localCharacter.
            this._localCharacter = ZepetoPlayers.instance.LocalPlayer.zepetoPlayer.character;
            // Get the _localCharacter's animator component.
            const animator: Animator = this._localCharacter.ZepetoAnimator;
            // Get the position of the bone to attach the object to.
            const bone: Transform = animator.GetBoneTransform(this.bodyBone);
            // Create the object prefab.
            Object.Instantiate(this.prefItem, bone) as GameObject;
          
        });
    }
}

  • The script flows as follows:
    • Start()
      • Register the ZepetoPlayers.instance.OnAddedLocalPlayer event listener, which will fire when a local player is added.
      • Set the local player to the _localCharacter variable.
      • Get the animator component of _localCharacter, get the location specified in bodyBone, and create the prefab specified in prefItem at that location.

STEP 2-2 : Setting the Attachment Location in the Inspector

  1. After finishing writing the script, add the script to the AttachObject object.
  2. In the Inspector, assign the Pref Item, Body Bone.
    • Pref Item is the object prefab.
    • Body Bone is the location where the object will be created.
      • Select LeftHand to make it look like you are holding the object in your hand.

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Example Script Setting Screen


  1. Press the Play button to run and you will see the ZEPETO character with the object attached to his left hand.

STEP 3 : Apply


You can attach any object to the desired location of the Body Bone in the same way.

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Unity HumanBodyBones

https://docs.unity3d.com/ScriptReference/HumanBodyBones.html


The following is an example of attaching a Neck Pillow object from BuildIt to the character's neck to make it look like the ZEPETO character is wearing a neck pillow.

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  • You can adjust the Position and Rotation of the object appropriately to get the desired look.
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Example of Object Prefab configuration


  • In the Inspector, assign the Neck Pillow object to the Pref Item, and select Neck for the Body Bone.
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Example Script Setting Screen