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Assets/Materials/Yuetility-Studios/YueDestructible/Scripts/YueDestructiblesGunDemo.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+namespace YueDestructibles
+{
+    public class YueDestructiblesGunDemo : MonoBehaviour
+    {
+        [Header("*** Important ***")]
+        [Header("To see how to destruct objects by code look into this script.")]
+        [Header("*** Important *** \n")]
+
+        [Header("Gun Config")]
+        public float impulseFactor = 10f;
+
+        [Header("Prefabs")]
+        public List<GameObject> prefabs;
+
+        [Header("Dependencies")]
+        public Camera fpsCamera;
+
+        // variables
+        private AudioSource source;
+        private List<GameObject> spawnedPrefabs;
+        private List<float> counters;
+        private const float timeUntilSpawn = 5f;
+
+        void Start()
+        {// this is just about respawning the prefabs
+            SetupPrefabs();
+            source = GetComponent<AudioSource>();
+        }
+        void Update()
+        {
+            if (Input.GetButtonDown("Fire1"))
+            {
+                // play audioclip
+                source.PlayOneShot(source.clip);
+
+                // create raycast with mouse position
+                Ray ray = fpsCamera.ScreenPointToRay(Input.mousePosition);
+                if (Physics.Raycast(ray, out RaycastHit hit))
+                {
+                    // check if there is a Destructable component on the hit object
+                    if(hit.transform.GetComponentInParent<YueDestructible>() != null)
+                    {
+                        // calculate direction of impulse of the "bullet"
+                        Vector3 direction = (hit.point - fpsCamera.transform.position).normalized;
+
+                        // called "DestructWithImpulse" method to destruct the object
+                        // direction is multiplied with the impulse of the bullet
+                        // the point of the raycast hit has to be passed into method
+                        hit.transform.GetComponentInParent<YueDestructible>().DestructWithImpulse(direction * impulseFactor, hit.point);
+                    }
+                }
+            }
+
+            // respawn prefabs
+            UpdatePrefabs();
+        }
+
+
+        // this below is just about respawning the prefabs
+        private void SetupPrefabs()
+        {
+            spawnedPrefabs = new List<GameObject>();
+            for (int i = 0; i < prefabs.Count; i++)
+            {
+                spawnedPrefabs.Add(Instantiate<GameObject>(prefabs[i], Vector3.zero + Vector3.forward * (0.25f * i) - Vector3.forward * 0.5f, Quaternion.identity));
+            }
+
+            counters = new List<float>();
+
+            for(int i = 0; i < prefabs.Count; i++)
+                counters.Add(0);
+        }
+        private void UpdatePrefabs()
+        {
+            for (int i = 0; i < prefabs.Count; i++)
+            {
+                if (!spawnedPrefabs[i])
+                {
+                    if (counters[i] > timeUntilSpawn)
+                    {
+                        spawnedPrefabs[i] = Instantiate<GameObject>(prefabs[i], Vector3.zero + Vector3.forward * (0.25f * i) - Vector3.forward * 0.5f, Quaternion.identity);
+                        counters[i] = 0;
+                    }
+
+                    counters[i] += Time.deltaTime;
+                }
+            }
+        }
+    }
+}