Random Spawn locations

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1

Hey guys,I am getting more into javascript.

I am making a game but I need a random spawn location.

19917-43.jpg
19917-43.jpg1920×1080 154 KB

I want the player to spawn in one of the nine locations(blue flooring).

hope you can help

4 Answers

4
4

Very useful for you

using UnityEngine;

using System.Collections;

public class SpawnRandom : MonoBehaviour {
 //gameobject for spawning 
 public GameObject spawnObj;
 //set custom range for random position
 public float MinX = 0;
 public float MaxX = 10;
 public float MinY = 0;
 public float MaxY = 10;

 //for 3d you have z position
 public float MinZ = 0;
 public float MaxZ = 10;

 //turn off or on 3D placement
 public bool is3D = false;

 void SpawnObject() {
    float x = Random.Range(MinX,MaxX);
    float y = Random.Range(MinY,MaxY);
    float z = Random.Range(MinZ,MaxZ);

    if(is3D) {
       Instantiate(spawnObj, new Vector3(x,y,z), Quaternion.identity) as GameObject;
    }
    else {
       Instantiate(spawnObj, new Vector3(x,y,0), Quaternion.identity) as GameObject;
    }
 }
}

//go to inspector and set the x,y,z positions then run this script. var locations : Vector3[] = new Vector3[9]; var currentLocation : int; var player : GameObject; function Start() { SpawnPlayer(); } function SpawnPlayer() { currentLocation = Random.Range(0,locations.Length); var pl = Instantiate(player, locations[currentLocation], Quaternion.identity) as GameObject; }

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now you should thumb up my answer

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But what if i want ot in a parent

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2

You can set a few positioning array to make the spawn points randomly like(C#):

public Vector3 spawnPos[] = new Vector3[9];

void Start(){
  spawnPos[0] = Vector3(10,10,10)
  spawnPos[1] = Vector3(20,20,20)
  spawnPos[2] = Vector3(30,30,30)
  //Keep going giving the positions
}

void Update(){
  spawnPoint = 0;
  spawnPoint = Random.Range(0, 8);
  Instantiate(playerObj, spawnPos[spawnPoint], Quaternion.identity);
}

Hope this can help you!
Good Luck!

upper range is exclusive, if you use integers so it should be Random.Range(0,9)

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if it is exclusive then he should make it Random.Range(0,10)

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Does not work?

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@baris150490 nope lower bound is inclusive while upper is exclusive because thats how you would format a standard for cycle (for(int i = 0;i<9;i++)) and the arrays are indexed from 0 meaning the indexes are 0,1,2,3,4,5,6,7,8 these indexes make up the array @TheHoongs if you desribe how it doesn't work people could even help

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Here are the error messages i get [19921-44.jpg|19921]

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3

If you want to place those objects to the scene in Editor and then spawn the player on one of them make a script with public array of spawn points and then instantiate the player on randomly chosen position. This way you do not need to enter the positions manualy and see in the editor where the spawn points are exactly (while you do not see them in-game if they have no mesh).

Here is a simple example in C#

public GameObject[] spawnPoints;
public GameObject playerObject;

void Start() {
    SpawnPlayer();
}

void SpawnPlayer() {
    int spawn = Random.Range(0, spawnPoints.Length);

    GameObject.Instantiate(playerObject, spawnPoints[spawn].transform.position, Quaternion.identity);
}

You can attach this to an empty game object.

Parsing error at the last

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i think he meant: public class teszt : MonoBehaviour { public GameObject[] spawnPoints; public GameObject playerObject; void Start() { SpawnPlayer(); } void SpawnPlayer() { int spawn = Random.Range(0, spawnPoints.Length); GameObject.Instantiate(playerObject, spawnPoints[spawn].transform.position, Quaternion.identity); } }

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The script does not do what I want it to do,it just spawn nine players

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It should work but dont attach it to the spawnPoint itself, but the an empty GameObject (or to the Camera) and then in the editor drag-and-drop all the spawn points from hierarchy on the script to the spawnPoints array. Also set the playerObject to player prefab and then it will work. Also thanks for correction MagicoCreator.

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5

@TheHoongs, May I offer a completely different approach than what appears to be common, at least from your question’s current answers.

Place all of your Spawners beneath the same parent on the hierarchy and then pick a random number from range 0 to 8. Then instantiate your player at the location of the parents (0-8) child.

I don’t know if your object management in the hierarchy will support this way of doing it, but to me it would be the easiest. You may have to adjust the Z coordinate so that it spawns at the proper height versus the middle of the player being at the floor.

Hope this helps, please let me know. There are many ways to do this, this one just the easiest to type up, lol.