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January 15, 2023 12:54
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You can spawn your objects in certain area at random positions and regular intervals with this code.
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| using System.Collections; | |
| using System.Collections.Generic; | |
| using UnityEngine; | |
| public class RandomObjectSpawner : MonoBehaviour | |
| { | |
| //HOW TO USE | |
| //1.Create an empty game object on the scene and add this code to the game object. | |
| //Please change gizmos color to red (from inspector) to make game object more visible. | |
| //2.You can then adjust the size of the empty game object by seeing it on the scene. | |
| //Objects will be spawning in red the area you set. | |
| //You can set the timer in inspector. | |
| //Main definations for spawn mechanic | |
| public GameObject spawnObject; | |
| public bool stopSpwaning = false; | |
| public float spawnTime; | |
| public float spawnDelay; | |
| //Definations for spawning area | |
| private Vector3 origin; | |
| private Vector3 range; | |
| private Vector3 randomRange; | |
| private Vector3 randomCoordinate; | |
| //Make visible spawn area for scene view | |
| public Color GizmosColor = new Color(0.5f, 0.5f, 0.5f, 0.2f); | |
| void Start() | |
| { | |
| InvokeRepeating("SpawnObject", spawnTime, spawnDelay); | |
| //Get origin and range from spawner to calculate area | |
| origin = transform.position; | |
| range = transform.localScale / 2.0f; | |
| Debug.Log(origin); | |
| Debug.Log(range); | |
| } | |
| private void Update() | |
| { | |
| //Generate random coordinates in area | |
| randomRange = new Vector3(Random.Range(-range.x, range.x), | |
| Random.Range(-range.y, range.y), | |
| Random.Range(-range.z, range.z)); | |
| randomCoordinate = origin + randomRange; | |
| } | |
| //To show spawn area in scene view not too important | |
| void OnDrawGizmos() | |
| { | |
| Gizmos.color = GizmosColor; | |
| Gizmos.DrawCube(transform.position, transform.localScale); | |
| } | |
| //This is a function to spawn object | |
| public void SpawnObject() | |
| { | |
| Instantiate(spawnObject, randomCoordinate, transform.rotation); | |
| if (stopSpwaning) | |
| { | |
| CancelInvoke("SpawnObject"); | |
| } | |
| } | |
| } |
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