Swipe movement limitation

Questions & Answers
1

Hi guys, i’d like to move my player with rigidbody2d by swipe left and right, and i’d like to move it into a specific point, i saw the api mathf.clamp to create the movement limitations, but i don’t know how to create multiple limitations

I post a gif to make you understand better:

alt text

using UnityEngine;
using System.Collections;

public class Gestures : MonoBehaviour {



	public Rigidbody2D playerRigibody2D;
	public Transform playerTransform;
	public float speed;
	public Vector2 movementRight;
	public Vector2 movementLeft;



	private GameController gamecontroller;

	void Start ()
	{

		GameObject GameControllerObject = GameObject.FindWithTag ("GameController");
				if (GameControllerObject != null) {
			
						gamecontroller = GameControllerObject.GetComponent <GameController> ();
				}
				

		        if (gamecontroller == null) {
						Debug.Log ("Cannot find 'GameController' script ");
				}
			
		}

	void OnEnable(){
		EasyTouch.On_SwipeEnd += On_SwipeEnd;
	}

	void OnDestroy(){
		EasyTouch.On_SwipeEnd -= On_SwipeEnd;

	}
		
	void On_SwipeEnd (Gesture gesture) 
	{

		switch (gesture.swipe) {
		case EasyTouch.SwipeDirection.DownLeft:
		case EasyTouch.SwipeDirection.UpLeft:
		case EasyTouch.SwipeDirection.Left:
			playerRigibody2D.rigidbody2D.velocity = movementLeft * speed;
			break;

		case EasyTouch.SwipeDirection.DownRight:
		case EasyTouch.SwipeDirection.UpRight:
		case EasyTouch.SwipeDirection.Right:
			playerRigibody2D.rigidbody2D.velocity = movementRight * speed;
			break;
	
		}
		}
	void FixedUpdate () 
	{
	}


}
2

You have 5 possible positions from -2 to 2 but those could be stored as positions in an array.

You get the direction of your swipe so that you can convert it to -1 or 1.

Then you have an index that is your current position:

int [] array = {-2, -1, 0, 1, 2};
int value = GetSwipe(); 
index += value;
index = Mathf.Clamp(index, 0 , array.Length - 1);

int position = array[index];
3

I used mathf.lerp and mathf.clamp functions

using UnityEngine;
using System.Collections;

public class PlayerMoviment_Lerp : MonoBehaviour {

		public float smooth;
		public float distance;
		private Vector3 newPosition;

		void Awake ()
		{
		newPosition = transform.position;
		}
		
	void OnEnable(){
		EasyTouch.On_SwipeEnd += On_SwipeEnd;
	}
	
	void OnDestroy(){
		EasyTouch.On_SwipeEnd -= On_SwipeEnd;
		
	}
	
	void On_SwipeEnd (Gesture gesture) 
	{
		switch (gesture.swipe) {
		case EasyTouch.SwipeDirection.DownLeft:
		case EasyTouch.SwipeDirection.UpLeft:
		case EasyTouch.SwipeDirection.Left:
			newPosition += Vector3.left * distance;
			break;
			
		case EasyTouch.SwipeDirection.DownRight:
		case EasyTouch.SwipeDirection.UpRight:
		case EasyTouch.SwipeDirection.Right:
			newPosition += Vector3.right * distance;
			break;
		}
	}	

		void Update ()
		{
			PositionChanging();
			transform.position = new Vector3 (Mathf.Clamp (transform.position.x,-2.0f,2.0f),-8.51f,0.0f);
			newPosition = new Vector3 (Mathf.Clamp (newPosition.x, -2.0f,2.0f),-8.51f,0.0f);
			Debug.Log (newPosition);
		}
		
		
		void PositionChanging ()
		{
			transform.position = Vector3.Lerp(transform.position, newPosition, smooth * Time.deltaTime);
		}
		

}