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Question by Alistar3000 · Aug 27, 2018 at 05:16 AM · touch controlsthrowing

Problem throwing GameObject on Z axis with AddForce

I'm pretty new to Unity and C# but struggling along ok. I'm a bit stuck with a script to throw a GameObject along the X axis. I can throw the object, but only along the X and Y axes - the Z axis stays the same.

The script I'm using is:

 Vector3 startPos, endPos, direction; 
 float touchTimeStart, touchTimeFinish, timeInterval;
 private Rigidbody rb;
 public float throwSpeed = 30f;
 
 void Start() {
  rb = GetComponent<RigidBody>();
 }
 
 void Update() {
 // if you touch the screen
             if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Began)
             {
 
                 // getting touch position and marking time when you touch the screen
                 touchTimeStart = Time.time;
                 startPos = Input.GetTouch(0).position;
             }
 
             // if you release your finger
             if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Ended)
             {
 
                 // marking time when you release it
                 touchTimeFinish = Time.time;
 
                 // calculate swipe time interval 
                 timeInterval = touchTimeFinish - touchTimeStart;
 
                 // getting release finger position
                 endPos = Input.GetTouch(0).position;
 
                 // calculating swipe direction in 2D space
                 direction = endPos - startPos;
 
                 // add force to cat rigidbody in 3D space depending on swipe time, direction and throw forces
                 rb.isKinematic = false;
                 rb.useGravity = false;
                 catLatch.transform.DetachChildren();
 
                 rb.AddForce((direction * throwSpeed / 20.0f) + Vector3.forward * throwSpeed);
 
 }
 }
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