MagicText.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using ThunderRoad;
using TMPro;

namespace WandSpellss
{
    class MagicText : MonoBehaviour
    {

        public TMP_Text textComponent;


        void Start() {


            textComponent = this.gameObject.AddComponent<TextMeshPro>();
        
        }


        void Update() {


            textComponent.ForceMeshUpdate();

            var textInfo = textComponent.textInfo;


            for (int i = 0; i <  textInfo.characterCount; ++i) {

                var charInfo = textInfo.characterInfo[i];

                if (!charInfo.isVisible) {

                    continue;
                
                }

                var verts = textInfo.meshInfo[charInfo.materialReferenceIndex].vertices;


                for (int j = 0; j < 4; ++j) {

                    var orig = verts[charInfo.vertexIndex + j];
                    verts[charInfo.vertexIndex + j] = orig + new Vector3(0, Mathf.Sin(Time.time * 2f + orig.x * 0.01f) * 10f, 0);
                
                
                }
            }

            for (int i = 0; i < textInfo.meshInfo.Length; ++i) {

                var meshInfo = textInfo.meshInfo[i];

                meshInfo.mesh.vertices = meshInfo.vertices;

                textComponent.UpdateGeometry(meshInfo.mesh, i);
            
            
            }

        }
    }
}