Unity 3D Game Engine – Android – Get Finger Position – JS

Get Vector2 Finger Position in all Touch Phases.

1. Hiearchy> GUI Text

2. Hierarchy> Main Camera, attach ‘PositionDetector.js’

PositionDetector.js

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#pragma strict
 
// Get Finger Position and write XY Vector2 values as: (23.0,24.9) 
// Attach this script to Main Camera
// Author: Andrea Tonin
// Web Site: www.blog.lucedigitale.com
 
var FingerPosText  : GUIText;  // to display position of finger, Hierarchy DRAG E DROP over var GUI Text in Inspector
var FingerPos: Vector2;        // finger position
 
function Update() {
 
    if (Input.touchCount > 0) {
     
        var touch = Input.GetTouch(0);
 
        // scrive Input.GetTouch(0).phase == TouchPhase.Began
        switch (touch.phase) {
            case TouchPhase.Began:
                // quando il tocco inizia rilevo la posizione del tocco             
                FingerPos = touch.position;
                // scrive la posizione in pixel X e Y del tocco es: (23.0,24.9)
                FingerPosText.text = "Position: " + FingerPos;             
                break;
 
            case TouchPhase.Moved:
                // quando il dito sta strisciando
                FingerPos = touch.position;
                FingerPosText.text = "Position: " + FingerPos;
                break;
 
            case TouchPhase.Stationary:
                // se il dito è stazionario
                FingerPos = touch.position;
                FingerPosText.text = "Position: " + FingerPos;
                break;
 
            case TouchPhase.Ended:
                // quando sollevo il dito
                FingerPos = touch.position;
                FingerPosText.text = "Position: " + FingerPos;
                break;
        }
    }
}

Hierarchy> Main Camera> Inspector> PositionDetector.js, assign GUI Text