Spawn another platform infront of the original platform

Question

Hi everyone, I'm new to C# unity programming and I'm learning to create a 3D endless straight running platform track but instead of the player moving, I'll want to make the platform move instead. However the only problem I'm facing is spawning another platform infront of the original platform when the original platform moves out of the camera view or a certain axis.

This is my current code to make the platform move and I would like to spawn another platform infront of the original platform once it goes out of camera view.

Forgive my simple coding as I'm relatively new to programming.

using UnityEngine;

using System.Collections;

public class Platform : MonoBehaviour {

 public float speed = 6f;


 // Use this for initialization
 void Start () {
 }
 
 // Update is called once per frame
 void Update () {
     transform.Translate (Vector3.back * Time.deltaTime * speed);
 }

}

Answer 1

Answer by Franky_Cranky_Man · Jul 22, 2014 at 04:00 AM

Hi Raddish,

Your code right now takes a platform and moves it. It does not spawn any new objects. Here is how you could go about it. Apologize for any typos as I am not using an IDE to make this code.

 public float speed;
 
 // Prefab of the platform you want to create
 public GameObject platformPrefab;
 
 // Reference to the last platform you created
 private GameObject lastCreatedPlatform;
 // Stored position of the last platform
 private Vector3 lastPlatformPosition;
 
 //Position offset of each platform
 public Vector3 offset;
 
 void Awake()
 {
   speed = 6f;
   lastPlatformPosition = new Vector3(0,0,0);
   offset = new Vector3(1,0,0);
 {
 
 void Start()
 {
   // Runs CreatePlatform() every second
   InvokeRepeating("CreatePlatform", 0, 1f);
 }
 
 CreatePlatform()
 {
   lastCreatedPlatform = (GameObject)Instantiate(platformPrefab, lastPlatformPosition + offset, Quaternion.Identity);
 
   lastPlatformPosition = lastCreatedPlatform.transform.position;
 }

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Raddish · Jul 22, 2014 at 03:00 PM 0

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Thanks a lot for your time and help Franky_Cranky_$$anonymous$$an but I can't seem to be able to spawn the platform in the Z axis as it is spawning on the X axis ins$$anonymous$$d and is it possible for me to reduce the gap in between the platforms? As the platform tend to be spawn quite a distance from the original platform. Either way, really appreciate your help a lot. Thank you for your time once again was really able to understand what you had written easily. Hope I can get better

Franky_Cranky_Man · Jul 23, 2014 at 02:33 AM 0

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It's spawning in the x axis because of this line:

 offset = new Vector3(1,0,0);

Just modify this vector to whatever direction(s) you want it to move in like offset = new Vector3(0,0,1);

Spawn another platform infront of the original platform

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