Swap texture2D on enemy sprite once reached a certain point

Question

I am trying to make a 2D game, I am using this script, I have 3 empty gameobjects as way points, 1 (where enemy spawns) 2 & 3 which it moves to and fro in a loop:

 var waypoint : Transform[];
 var speed : float = 20;
 private var currentWaypoint : int;
 var loop : boolean = false;
 var Distance : float = 1;
 
 function Awake(){
 
 
 } function Update () {
 
     if(currentWaypoint < waypoint.length)
     {
     var target : Vector3 = waypoint[currentWaypoint].position;
     var moveDirection : Vector3 = target - transform.position;
      
     var velocity = rigidbody.velocity;
     if(moveDirection.magnitude < Distance)
     {
     currentWaypoint++;
     }
      
     else{
     velocity = moveDirection.normalized * speed;
     }
     }
      
     else{
     if(loop)
     {
     currentWaypoint = 0;
     }
     else
     {
     velocity = Vector3.zero;
     }
     }
     rigidbody.velocity = velocity;
 
 }

I am using this script to animate the texture2D:

 var numFrames : int = 3;
 var curFrame : int = 1;
 
 function Update(){
 
 transform.position.z = 0.01;
 
 renderer.material.mainTextureOffset.x += 1.0 / numFrames + Time.timeScale;
 curFrame += 1;
 
 if (curFrame > numFrames){
 renderer.material.mainTextureOffset.x = 0;
 curFrame = 1;
 
 }
 
 }

What I am trying to do is have the texture2D change when the enemy is facing left or right (currently just looks correct one way then moonwalks back lol) I have tried to make a script to do this, here it is below:

 public var walkright : Texture2D; //walking right
 public var walkleft : Texture2D; //walking left
 public var mesh : GameObject; //Mesh
 
 function Update () {
 
 if (mesh.transform.position.x < (5.097385)){
 
 mesh.renderer.material.mainTexture = walkleft;
 }
 
 if (mesh.transform.position.x > (-4.12935)){
 mesh.renderer.material.mainTexture = walkright;
 }
 }

can anyone help me/suggest where I am going wrong? I'm thinking I need to say if distance from waypoint 2 is decreasing use texture left and same for waypoint 3 but I don't know how to type this in code

Answer 1

Best Answer

Answer by AmoralAckbar · Jun 11, 2013 at 12:23 AM

I do my coding in C#, so this might not be 100% syntax accurate:

 public var walkright : Texture2D; //walking right
 public var walkleft : Texture2D; //walking left
 public var mesh : GameObject; //Mesh
 private var oldXPos : float; //Old x position
  
 function Update () {
  
 if (mesh.transform.position.x >= oldXPos)
 {
   mesh.renderer.material.mainTexture = walkright;
 }
 else
 {
   mesh.renderer.material.mainTexture = walkleft;
 }
  
 oldXPos = mesh.transform.position.x;
 }

You will probably want to initialize oldXPos to something that gives the mesh the initial state animation that you are going to want.

Add comment · Share

Swap texture2D on enemy sprite once reached a certain point

1 Reply

Your answer

Welcome to Unity Answers

Follow this Question

Related Questions