46 lines
1.3 KiB
C#
46 lines
1.3 KiB
C#
using TMPro;
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using UnityEngine;
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/// <summary>
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/// 把实时帧率写进 target 指定的文本，用来在真机上直接看性能。
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/// 节点引用一律在 Inspector / 预制体里指定，代码里不按名字查找节点。
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/// </summary>
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[DisallowMultipleComponent]
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public class FpsDisplay : MonoBehaviour
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{
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[Tooltip("显示帧率的文本，必须在 Inspector 里指定")]
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[SerializeField] private TMP_Text target;
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[Tooltip("刷新间隔（秒）。0.25 = 每秒刷 4 次，数字不会跳得太厉害")]
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[SerializeField] private float updateInterval = 0.25f;
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[Tooltip("文本格式，{0} 是帧率数值。例：FPS:{0:0}f/s")]
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[SerializeField] private string format = "FPS:{0:0}f/s";
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private float _accumulatedTime;
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private int _frames;
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private void Awake()
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{
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if (target == null)
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Debug.LogError("[FpsDisplay] 没有指定显示帧率的文本（target），请在 Inspector 里拖入。", this);
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}
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private void Update()
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{
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if (target == null)
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return;
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_accumulatedTime += Time.unscaledDeltaTime;
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_frames++;
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if (_accumulatedTime < updateInterval)
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return;
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target.text = string.Format(format, _frames / _accumulatedTime);
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_accumulatedTime = 0f;
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_frames = 0;
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}
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}
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