about character movement in 8 direction

Question

i am write a javascript in order to control the movement of my character, but i have problem in the movement in the remaining 4 direction, w$$anonymous$$ch are top right left and down right left here are part of my code

 if(Input.GetKey("w")) {
         animation.CrossFade("moving"); //animation
         direction = Vector3.forward;  
           transform.forward = new Vector3(0f, 0f, 1f);
         t$$anonymous$$s.transform.position += t$$anonymous$$s.transform.TransformDirection(new Vector3(0, 0, speed));     //turning the character facing direction and move
 }
 else if(Input.GetKey("s")){

where the remain code is for the down right and left

my problem is that if i continue to use else if (Input.GetKey("w")&&Input.GetKey("d")) it will be useless as it already go into the Input.GetKey("w") or ("d") how should i do?

further more, i would aslo like to ask how can i check for a double click?say click "w" 2 times.

Answer 1

Best Answer

Answer by robertbu · Sep 22, 2013 at 10:34 AM

In order to get 8 directions of movement, you can combine some vectors. Start with a new scene and cube and add t$$anonymous$$s script to the cube:

 #pragma strict
 
 var speed = 2.0;
  
 function Update () {
     var direction = Vector3.zero;
     if(Input.GetKey(KeyCode.A)) {
        direction += Vector3.left;  
     }
     if(Input.GetKey(KeyCode.S)) {
        direction += Vector3.back;  
     }
     if(Input.GetKey(KeyCode.D)) {
        direction += Vector3.right;  
     }
     if(Input.GetKey(KeyCode.W)) {
        direction += Vector3.forward;  
     }
     
     transform.Translate(direction * speed * Time.deltaTime);
 }

Alternately you can use GetAxisRaw() to build the vector. "Horizontal" and "Vertical" are by default mapped to the ADWS keys (as well as the arrow keys).

 #pragma strict
 
 var speed = 2.0;
 
 function Update() {
     var direction = Vector3(Input.GetAxisRaw("Horizontal"), 0, Input.GetAxisRaw("Vertical"));
     transform.Translate(direction * speed * Time.deltaTime);
 }

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brianchan661 · Sep 22, 2013 at 01:17 PM 0

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great!Thank you for your help! then how about checking double click of a key? say pressing ww than my charcter will run

robertbu · Sep 22, 2013 at 03:19 PM 0

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Note for the future, please keep questions to a single issue. As for double click, you can use a timestamp. At the top of the file:

 var doubleClickTime = 0.15;
 private var timestamp = -1.0;

And then in Update():

 if (Input.GetKeyDown(KeyCode.W)) {
   if (Time.time - timeStamp < doubleClickTime) {
     Debug.Log("Double click");
   }
   timestamp = Time.time;
 }

about character movement in 8 direction

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