Making a character move automatically in one direction.

Question

I want my character to move in one direction at all times (a running sidescroller game), and it still needs to use gravity.

I tried transform.Translate but that forces the character to go trough objects. Can someone help me? I'm still quite new to Unity.

 using UnityEngine;
 using System.Collections;
 
 public class scr_Player : MonoBehaviour {
     public float sspeed = 6.0F;
     public float jumpSpeed = 8.0F;
     public float gravity = 20.0F;
     private Vector2 moveDirection = Vector2.zero;
 
     void Start () {
     }
 
     void Update () {
        // transform.Translate(0.10F, 0, 0 * Time.deltaTime);
             //Didn't work as intended.
                 //Forced the character through objects.
 
         CharacterController player = GetComponent<CharacterController>();
         if (player.isGrounded) {
             moveDirection = new Vector2();
             moveDirection = transform.TransformDirection(moveDirection);
             moveDirection *= jumpSpeed;
             if (Input.GetButton("Jump"))
                 moveDirection.y = jumpSpeed;
 
         }
         moveDirection.y -= gravity * Time.deltaTime;
         player.Move(moveDirection * Time.deltaTime);
 
 
     }
 }

Answer 1

Answer by ByteSheep · Jan 22, 2012 at 08:04 AM

If you do not want to move the character via transform you could try adding force to the rigidbody of your character:

rigidbody.AddForce (0, 0, 5);

Just make sure that your character has a rigidbody component :)

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Mischa.Silden · Jan 22, 2012 at 08:12 AM 0

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Thanks for your time but that didn't work :/

Answer 2

Some nice guys at 4chan /v/ Gamedev Thread came up with a working solution, here it is:

public class scr_PlayerTest : MonoBehaviour { public float speed = 6.0F; public float jumpSpeed = 8.0F; public float gravity = 20.0F; private Vector2 moveDirection = Vector2.zero;

 void Start(){
 }

 void Update(){
     CharacterController player = GetComponent<CharacterController>();

     if (player.isGrounded)
     {
         // if player is on the ground, we normally don't want to move $$anonymous$$m vertically
         moveDirection.y = 0;

         // but if the jump button is pressed, then we do want $$anonymous$$m moving vertically
         if (Input.GetButton("Jump"))
         {
             moveDirection.y = jumpSpeed;
         }
     }
     else
     {
         // if player is not on the ground, then apply gravity to $$anonymous$$m
         moveDirection.y -= gravity * Time.deltaTime;
     }

     // constantly move horizontally
     moveDirection.x = speed;

     // finally, we actually apply the movement to the player
     player.Move(moveDirection * Time.deltaTime);
 }

}

Making a character move automatically in one direction.

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