149 lines
3.9 KiB
C#
149 lines
3.9 KiB
C#
using System;
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using UnityEngine;
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using UnityEngine.Serialization;
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namespace UltimateWater
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{
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public class WavesEmitter : MonoBehaviour
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{
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[SerializeField]
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[FormerlySerializedAs("water")]
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private WaveParticlesSystemGPU _Water;
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[SerializeField]
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[FormerlySerializedAs("amplitude")]
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private float _Amplitude = 0.1f;
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[SerializeField]
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[FormerlySerializedAs("wavelength")]
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private float _Wavelength = 10f;
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[SerializeField]
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[FormerlySerializedAs("lifetime")]
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private float _Lifetime = 50f;
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[SerializeField]
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[FormerlySerializedAs("speed")]
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private float _Speed = 3.5f;
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[SerializeField]
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[FormerlySerializedAs("foam")]
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private float _Foam = 1f;
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[SerializeField]
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[FormerlySerializedAs("emissionArea")]
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private float _EmissionArea = 1f;
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[SerializeField]
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[FormerlySerializedAs("emissionInterval")]
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private float _EmissionInterval = 0.15f;
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[Range(0f, 1f)]
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[SerializeField]
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[FormerlySerializedAs("trailCalming")]
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private float _TrailCalming = 1f;
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[Range(0f, 8f)]
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[SerializeField]
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[FormerlySerializedAs("trailFoam")]
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private float _TrailFoam = 1f;
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[Range(0f, 180f)]
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[SerializeField]
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[FormerlySerializedAs("emissionAngle")]
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private float _EmissionAngle;
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[Header("Advanced")]
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[SerializeField]
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[FormerlySerializedAs("minTextureU")]
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private int _MinTextureU = 4;
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[SerializeField]
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[FormerlySerializedAs("maxTextureU")]
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private int _MaxTextureU = 8;
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[Range(0f, 1f)]
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[SerializeField]
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[FormerlySerializedAs("initialPower")]
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private float _InitialPower = 1f;
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private float _Power = -1f;
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private float _LastEmitTime;
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private float _FinalEmissionInterval;
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private Water _WaterComponent;
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public float Power
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{
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get
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{
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return _Power;
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}
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set
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{
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_Power = ((value > 0f) ? value : 0f);
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_FinalEmissionInterval = _EmissionInterval / _Power;
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base.enabled = _Power != 0f;
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}
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}
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private void OnValidate()
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{
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_FinalEmissionInterval = _EmissionInterval / _Power;
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}
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private void LateUpdate()
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{
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float time = Time.time;
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if (time - _LastEmitTime >= _FinalEmissionInterval)
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{
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_LastEmitTime = time;
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Vector2 vector = GetVector2(base.transform.position);
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Vector2 normalized = GetVector2(base.transform.forward).normalized;
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Vector2 normalized2 = GetVector2(base.transform.right).normalized;
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if (normalized.x == 0f && normalized.y == 0f)
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{
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normalized = GetVector2(base.transform.up).normalized;
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}
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float num = _EmissionAngle * (MathF.PI / 180f);
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FastMath.SinCos2048(UnityEngine.Random.Range(0f - num, num), out var s, out var c);
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Vector2 vector2 = new Vector2(normalized.x * c - normalized.y * s, normalized.x * s + normalized.y * c);
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Vector2 position = vector + normalized2 * UnityEngine.Random.Range(0f - _EmissionArea, _EmissionArea);
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Vector2 horizontalDisplacementAt = _WaterComponent.GetHorizontalDisplacementAt(position.x, position.y, Time.time);
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position.x -= horizontalDisplacementAt.x;
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position.y -= horizontalDisplacementAt.y;
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_Water.EmitParticle(new WaveParticlesSystemGPU.ParticleData
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{
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Position = position,
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Direction = vector2 * (_Speed * _Power),
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Amplitude = _Amplitude * _Power,
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Wavelength = _Wavelength,
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InitialLifetime = _Lifetime * _Power,
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Lifetime = _Lifetime * _Power,
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Foam = _Foam * _Power,
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UvOffsetPack = (float)UnityEngine.Random.Range(0, _Water.FoamAtlasHeight) / (float)_Water.FoamAtlasHeight * 16f + (float)UnityEngine.Random.Range(_MinTextureU, _MaxTextureU) / (float)_Water.FoamAtlasWidth,
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TrailCalming = _TrailCalming,
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TrailFoam = _TrailFoam
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});
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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 = UnityEngine.Object.FindObjectOfType<WaveParticlesSystemGPU>();
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}
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_WaterComponent = _Water.GetComponent<Water>();
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Power = _InitialPower;
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}
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private static Vector2 GetVector2(Vector3 vector3)
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{
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return new Vector2(vector3.x, vector3.z);
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}
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}
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}
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