93 lines
2.0 KiB
C#
93 lines
2.0 KiB
C#
using System;
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using UnityEngine;
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using UnityEngine.Events;
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namespace UltimateWater
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{
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[AddComponentMenu("Ultimate Water/Water Sampler")]
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public class WaterSampler : MonoBehaviour
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{
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[Serializable]
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public class WaterSubmersionEvent : UnityEvent<SubmersionState>
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{
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}
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public enum SubmersionState
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{
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Under = 0,
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Above = 1
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}
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[SerializeField]
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[Header("References")]
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private Water _Water;
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public float Hysteresis = 0.1f;
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[Header("Events")]
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public WaterSubmersionEvent OnSubmersionStateChanged;
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private WaterSample _Sample;
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private float _PreviousWaterHeight;
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private float _PreviousObjectHeight;
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public float Height { get; private set; }
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public float Velocity { get; private set; }
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public SubmersionState State { get; private set; }
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public bool IsInitialized
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{
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get
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{
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return _Water != null && _Sample != null;
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}
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}
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private void Start()
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{
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if (_Water == null)
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{
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_Water = Utilities.GetWaterReference();
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}
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_Sample = new WaterSample(_Water);
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}
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private void Update()
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{
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Vector3 andReset = _Sample.GetAndReset(base.transform.position);
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float num = (base.transform.position.y - _PreviousObjectHeight) / Time.deltaTime;
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float num2 = (andReset.y - _PreviousWaterHeight) / Time.deltaTime;
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Velocity = Mathf.Abs(num - num2);
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Height = base.transform.position.y - andReset.y;
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if (State != GetState(Height) && Mathf.Abs(Height) > Hysteresis)
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{
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State = ((Height > 0f) ? SubmersionState.Above : SubmersionState.Under);
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OnSubmersionStateChanged.Invoke(State);
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}
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_PreviousObjectHeight = base.transform.position.y;
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_PreviousWaterHeight = andReset.y;
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base.transform.rotation = Quaternion.identity;
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}
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private void OnDrawGizmos()
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{
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Gizmos.color = Color.yellow;
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Gizmos.DrawWireSphere(base.transform.position, 0.2f);
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}
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private void Reset()
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{
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_Water = Utilities.GetWaterReference();
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}
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private static SubmersionState GetState(float height)
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{
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return (height > 0f) ? SubmersionState.Above : SubmersionState.Under;
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}
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}
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}
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