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Question by MrAwesome343 · May 11, 2016 at 03:29 PM · scripting beginnerspeedspeed up

How can I increase the speed of the player when they run into an object?

I'm making a simple racing game and part of the game is running into certain objects that will increase your speed, but I can't get the speed to change. Here's what I have for code:

 using UnityEngine;
 using System.Collections;
 
 public class P1Move : MonoBehaviour {
 
     public float speed;
     public float increaseSpeed;
 
     private Rigidbody rb;
     private Vector3 movement;
     private float actualInc;
     private bool spdUp = false;
 
     void Start()
     {
         rb = GetComponent<Rigidbody>();
         actualInc = speed * increaseSpeed;
     }
 
     void FixedUpdate()
     {
         if (spdUp == false)
         {
             float h = Input.GetAxisRaw("HorizontalP1");
             float v = Input.GetAxisRaw("VerticalP1");
 
             Vector3 movement = new Vector3(h, 0, v);
             rb.AddForce(movement * speed);
         }
         
         if (spdUp == true)
         {
             float h = Input.GetAxisRaw("HorizontalP1");
             float v = Input.GetAxisRaw("VerticalP1");
 
             Vector3 movement = new Vector3(h, 0, v);
             rb.AddForce(movement * actualInc);
         }
     }
 
     void onTriggerEnter (Collider other)
     {
         if (other.tag == "SpdUp")
         {
             spdUp = true;
         }
     }
 }
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Answer by bromley · May 11, 2016 at 07:11 PM

in those objects, create a box collider and insert in a script this function:

 void OnTriggerEnter ()
 {
    your_player_speed_script_name speedPlayer = GameObject.Find ("your player name").GetComponent<your_player_speed_script_name> ();
    speedPlayer.SpeedUp ();
 }

where your_player_speed_script_name is the name of the script that allow movement on your player, speedPlayer is an arbitrary name string, and *SpeedUp()*is a public void of your script that allow movement on your player, where you can change the speed

SpeedUp () must be public void, and not void

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avatar image MrAwesome343 · May 12, 2016 at 12:11 AM 0
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I understand everything but the public void SpeedUp() What exactly do I put in the function?

avatar image bromley MrAwesome343 · May 12, 2016 at 06:07 AM 0
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if your player moves with the public float speed, then in public void SpeedUp() you can change that float value finally, you can make also a void OnTriggerExit () where your player, when exit from a object, gets back to a normal speed

avatar image MrAwesome343 bromley · May 12, 2016 at 02:42 PM 1
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Okay, it looks like it's working! Thank you for your assistance

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