105 lines
2.9 KiB
C#
105 lines
2.9 KiB
C#
using UnityEngine;
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public class FloatBobberController : MonoBehaviour
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{
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[SerializeField] private Rigidbody _rigidbody;
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[Header("水属性")] public float waterLevel = 0f;
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[Header("浮漂最大浮力")] public float bobberVolume = 30f; // 浮漂最大浮力 (cm³)
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public float bobberHeight = 0.25f; // 浮漂长度，用来决定躺漂角度
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[Header("配件重量")] public float sinkerWeight = 2f;
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public float baitWeight = 0.5f;
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public float hookWeight = 0.2f;
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[Header("Behaviour")] public float fallSpeed = 8f;
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public float riseSpeed = 3f;
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// public float smoothDamping = 8f; // 插值平滑
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[Header("Noise")] public float noiseAmp = 0.015f;
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public float noiseFreq = 1.5f;
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float impulseForce = 0f;
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float impulseDecay = 4f;
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void FixedUpdate()
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{
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SimulateBobber();
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}
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void SimulateBobber()
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{
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if (!_rigidbody.isKinematic) return;
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float totalDownwardWeight = sinkerWeight + baitWeight + hookWeight;
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float maxBuoyancy = bobberVolume; // 最大浮力 = 体积
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float netBuoyancy = maxBuoyancy - totalDownwardWeight;
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float targetY;
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// -------------------------
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// 1. 判断浮漂应该沉多少（吃水深度）
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// -------------------------
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if (netBuoyancy > 0)
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{
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float buoyPercent = Mathf.Clamp01(netBuoyancy / maxBuoyancy);
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float rise = buoyPercent * 0.1f; // 浮漂露出水面的高度
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targetY = waterLevel + rise;
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}
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else
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{
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// 净浮力为负 → 说明浮漂整体被拉下，沉入水中
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float sinkDistance = Mathf.Abs(netBuoyancy) * 0.03f;
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targetY = waterLevel - sinkDistance;
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}
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targetY += Mathf.Sin(Time.time * noiseFreq) * noiseAmp; // 微扰模拟波浪
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// 顿口/顶漂力
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if (impulseForce != 0f)
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{
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targetY += impulseForce * Time.deltaTime;
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impulseForce = Mathf.Lerp(impulseForce, 0, Time.deltaTime * impulseDecay);
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}
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// -----------------------------
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// ③ 上浮 / 下沉差速
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// -----------------------------
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float y = transform.position.y;
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float diff = targetY - y;
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if (diff > 0) // 上浮
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y += diff * Time.deltaTime * riseSpeed;
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else
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y += diff * Time.deltaTime * fallSpeed;
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transform.position = new Vector3(transform.position.x, y, transform.position.z);
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}
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// ----------------------------------------
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// 外部控制接口
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// ----------------------------------------
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public void TriggerDownPulse(float s = 0.8f)
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{
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impulseForce -= Mathf.Abs(s);
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}
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public void TriggerUpPulse(float s = 0.8f)
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{
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impulseForce += Mathf.Abs(s);
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}
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public void AddFishPull(float v)
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{
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sinkerWeight += v;
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}
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public void ReleaseFishPull(float v)
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{
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sinkerWeight -= v;
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}
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} |