thesis-motion-guidance/Assets/Scripts/Testing.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Testing : MonoBehaviour
{
    public Material transparentMat;
    public Material boneMaterial;
    private GameObject obj;

    private float t;

    // Start is called before the first frame update
    void Start()
    {
        obj = GameObject.CreatePrimitive(PrimitiveType.Cube);
        obj.GetComponent<MeshRenderer>().material = transparentMat;
        LineRenderer lr = obj.AddComponent<LineRenderer>();
        lr.positionCount = 2;
        lr.material = boneMaterial;

        Color line = new Color(1, 1, 1, 0);
        lr.startColor = line;
        lr.endColor = line;

        lr.startWidth = 0.3f;
        lr.endWidth = 0.3f;
        lr.SetPosition(0, obj.transform.position);
        lr.SetPosition(1, new Vector3(1,1,1));
    }

    // Update is called once per frame
    void Update()
    {
        if (t >= 1)
        {
            Destroy(obj);
            return;
        }
            
        t += Time.deltaTime / 2;
        Color newColor = new Color(1, 1, 1, Mathf.Lerp(0, 1, t));
        obj.GetComponent<MeshRenderer>().material.color = newColor;
        obj.GetComponent<LineRenderer>().startColor = newColor;
        obj.GetComponent<LineRenderer>().endColor = newColor;
    }
}