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Assets/RealisticCarControllerV3/Scripts/RCC_PoliceSiren.cs

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+//----------------------------------------------
+//            Realistic Car Controller
+//
+// Copyright © 2014 - 2023 BoneCracker Games
+// https://www.bonecrackergames.com
+// Buğra Özdoğanlar
+//
+//----------------------------------------------
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+/// <summary>
+/// Police siren with operated lights.
+/// </summary>
+[AddComponentMenu("BoneCracker Games/Realistic Car Controller/Misc/RCC Police Siren")]
+public class RCC_PoliceSiren : MonoBehaviour {
+
+    private RCC_AICarController AI;     //  If attached to the AI vehicle.
+
+    //  Siren modes. On and Off.
+    public SirenMode sirenMode = SirenMode.Off;
+    public enum SirenMode { Off, On }
+
+    //  Lights.
+    public Light[] redLights;
+    public Light[] blueLights;
+
+    private void Awake() {
+
+        //  Getting AI controller if attached.
+        AI = GetComponentInParent<RCC_AICarController>();
+
+    }
+
+    private void Update() {
+
+        //  If AI found, enable or disable the siren lights with chase mode. If AI is chasing a target, siren will be enabled.
+        if (AI) {
+
+            if (AI.targetChase != null)
+                sirenMode = SirenMode.On;
+            else
+                sirenMode = SirenMode.Off;
+
+        }
+
+        //  If siren mode is set to off, set all intensity of the lights to 0. Otherwise, set to 1 with timer.
+        switch (sirenMode) {
+
+            case SirenMode.Off:
+
+                for (int i = 0; i < redLights.Length; i++)
+                    redLights[i].intensity = Mathf.Lerp(redLights[i].intensity, 0f, Time.deltaTime * 50f);
+
+                for (int i = 0; i < blueLights.Length; i++)
+                    blueLights[i].intensity = Mathf.Lerp(blueLights[i].intensity, 0f, Time.deltaTime * 50f);
+
+                break;
+
+            case SirenMode.On:
+
+                if (Mathf.Approximately((int)(Time.time) % 2, 0) && Mathf.Approximately((int)(Time.time * 20) % 3, 0)) {
+
+                    for (int i = 0; i < redLights.Length; i++)
+                        redLights[i].intensity = Mathf.Lerp(redLights[i].intensity, 1f, Time.deltaTime * 50f);
+
+                } else {
+
+                    for (int i = 0; i < redLights.Length; i++)
+                        redLights[i].intensity = Mathf.Lerp(redLights[i].intensity, 0f, Time.deltaTime * 10f);
+
+                    if (Mathf.Approximately((int)(Time.time * 20) % 3, 0)) {
+
+                        for (int i = 0; i < blueLights.Length; i++)
+                            blueLights[i].intensity = Mathf.Lerp(blueLights[i].intensity, 1f, Time.deltaTime * 50f);
+
+                    } else {
+
+                        for (int i = 0; i < blueLights.Length; i++)
+                            blueLights[i].intensity = Mathf.Lerp(blueLights[i].intensity, 0f, Time.deltaTime * 10f);
+
+                    }
+
+                }
+
+                break;
+
+        }
+
+    }
+
+    /// <summary>
+    /// Sets the siren mode to on or off.
+    /// </summary>
+    /// <param name="state"></param>
+    public void SetSiren(bool state) {
+
+        if (state)
+            sirenMode = SirenMode.On;
+        else
+            sirenMode = SirenMode.Off;
+
+    }
+
+}