3D.ru

using UnityEngine;
using System.Collections;

public class Script : MonoBehaviour
{
        public float speed = 3f;
        public int move = 0;

        void Update()
        {
                if (move == 1) transform.Translate(-Vector3.right * speed * Time.deltaTime);
                else if (move == 2) transform.Translate(-Vector3.left * speed * Time.deltaTime);

        }
        void OnGUI()
        {
                Rect rightRect = new Rect(100, 270, 50, 50);  
                Rect leftRect = new Rect(15, 270, 50, 50);

                Event e = Event.current;    
                if (e.type == EventType.MouseDown && e.button == 0)
                {
                        if (rightRect.Contains(e.mousePosition)) move = 1;  
                        else if (leftRect.Contains(e.mousePosition)) move = 2;
                }

                if (e.type == EventType.MouseUp && e.button == 0) move = 0;

                GUI.Button(rightRect, "Right")
                GUI.Button(leftRect, "Left");
        }
}