Tag: check

using UnityEngine;

public class DrawLines : MonoBehaviour
{
    public LineRenderer lineRenderer;
    public string text;

    private Vector3() positions;
    private string oldText;

    private void Start()
    {
        if (lineRenderer == null)
        {
            lineRenderer = GetComponent<LineRenderer>();

            lineRenderer.startWidth = 0.3f;
            lineRenderer.endWidth = 0.3f;
        }

        // 0,  0, 0
        // 5,  0, 0
        // 5, -5, 0
        // 0, -5, 0

        positions = new Vector3(5) { new Vector3(0, 0, 0), new Vector3(5, 0, 0),
            new Vector3(5, -5, 0), new Vector3(0, -5, 0), new Vector3(0, 0, 0)};
        DrawLine(positions, Color.red, 0.2f);
    }

    void DrawLine(Vector3() positions, Color color, float duration = 0.2f)
    {
        GameObject myLine = new GameObject();

        myLine.transform.position = positions(0);
        myLine.AddComponent<LineRenderer>();
        LineRenderer lr = myLine.GetComponent<LineRenderer>();
        lr.positionCount = positions.Length;
        lr.startColor = color;
        lr.endColor = color;
        lr.startWidth = 0.1f;
        lr.endWidth = 0.1f;
        lr.useWorldSpace = false;
        lr.SetPositions(positions);
    }

    void DrawText()
    {
        for (int i = 0; i < positions.Length; i++)
        {
            if (oldText != text)
            {
                var pos = Camera.main.WorldToScreenPoint(positions(i));
                text = positions(i).ToString();
                var textSize = GUI.skin.label.CalcSize(new GUIContent(text));
                GUI.contentColor = Color.red;
                GUI.Label(new Rect(pos.x, Screen.height - pos.y, textSize.x, textSize.y), text);
                GUI.contentColor = Color.green;
                GUI.Label(new Rect(pos.x, Screen.height - pos.y - 20, textSize.x, textSize.y), i.ToString());
            }
        }
    }

    private void OnGUI()
    {
        if (positions != null)
        {
            if (positions.Length > 0)
            {
                DrawText();
            }
        }
    }
}

I added oldText variable but not sure how use it more then I did so far.
I want that if the text is the same in the loop then don’t show this text not in red not in green.
Each time show the text once if it’s not equal.