daluandou/Assets/Script/GoldMine.cs

using UnityEngine;

public class GoldMine : MonoBehaviour
{
    [Header("产出配置")]
    [Min(0)] public int goldPerTick = 5;
    [Min(0.1f)] public float productionInterval = 3f;

    private float timer;
    private BuildingHealth buildingHealth;

    private void Awake()
    {
        buildingHealth = GetComponent<BuildingHealth>();
    }

    private void Update()
    {
        if (GoldSystem.Instance == null)
        {
            return;
        }

        timer += Time.deltaTime;
        if (buildingHealth != null)
        {
            buildingHealth.SetProductionProgress(timer / productionInterval);
        }

        while (timer >= productionInterval)
        {
            timer -= productionInterval;
            GoldSystem.Instance.AddGold(goldPerTick);
        }
    }
}