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

public class ItemScript : MonoBehaviour {

    public float distance = 1; // The trigger distance for the animation to start
    RectTransform rect;
    Animation anim;

    void Start() {
        // Initialize components automatically
        rect = GetComponent<RectTransform>();
        anim = GetComponent<Animation>();
    }

    void Update() {
        // Calculate the cursor distance to target object
        Vector3 target = rect.position;
        Vector3 mouse = Camera.main.ScreenToWorldPoint(Input.mousePosition);
        float d = Vector2.Distance(new Vector2(mouse.x, mouse.y), new Vector2(target.x, target.y));
        if (anim.isPlaying) {
            // If too far away, stop playing the animation
            if (d > distance) {
                anim.Stop();
                Debug.Log("Stop");
            }
        } else {
            // If close enough, start the animation
            if (d < distance) {
                anim.Play();
                Debug.Log("Play");
                if (anim.isActiveAndEnabled && anim.gameObject.activeSelf) {
                    Debug.Log("Play success");
                } else {
                    Debug.Log("Play failure");
                }
            }
        }
    }
}