67 lines
2.4 KiB
C#
67 lines
2.4 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class AmbientSoundGenerator : MonoBehaviour {
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public GameObject AmbientSfxPrefab;
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public AmbientEffect[] Effects;
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public float Cooldown;
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[Header("Runtime values")]
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public float AmbientNoiseCooldown = 0f;
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public float Roll = 0f;
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private Transform World;
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private float[] CumulativeChances;
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private float TotalCumulativeChance;
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private int[] RollsSince;
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private void Awake() {
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World = GameObject.FindGameObjectWithTag("World").transform;
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CumulativeChances = new float[Effects.Length];
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TotalCumulativeChance = 0;
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for (int I = 0; I < Effects.Length; I++) {
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CumulativeChances[I] = TotalCumulativeChance;
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TotalCumulativeChance += Effects[I].Chance;
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}
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RollsSince = new int[Effects.Length];
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}
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private void Update() {
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AmbientNoiseCooldown -= Time.deltaTime;
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if (AmbientNoiseCooldown <= 0) {
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AmbientNoiseCooldown += Cooldown;
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Roll = Random.Range(0, TotalCumulativeChance);
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AmbientEffect Effect = null;
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for (int I = CumulativeChances.Length - 1; I >= 0; I--) {
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if (Roll >= CumulativeChances[I]) {
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if (Effects[I].RollsSinceLast <= RollsSince[I]) {
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Effect = Effects[I];
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RollsSince[I] = -1;
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} else {
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Effect = Effects[0];
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}
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break;
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}
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}
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for (int I = 0; I < RollsSince.Length; I++) {
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RollsSince[I]++;
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}
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float Distance = Random.Range(Effect.MinDistance, Effect.MaxDistance);
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float Rads = Random.Range(0, 2 * Mathf.PI);
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Vector3 Offset = new Vector3(Mathf.Cos(Rads) * Distance, Random.Range(Effect.MinY, Effect.MaxY), Mathf.Sin(Rads) * Distance);
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GameObject Obj = Instantiate(AmbientSfxPrefab, transform.position + Offset, new Quaternion(), World);
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AudioSource Sfx = Obj.GetComponent<AudioSource>();
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if (Sfx != null && Effect.Clips.Length > 0) {
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Sfx.clip = Effect.Clips[Random.Range(0, Effect.Clips.Length)];
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Sfx.volume = Mathf.Sqrt(Random.Range(0.3f, 1f));
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Sfx.Play();
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}
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}
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}
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}
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