How I can define the throw direction to a static GameObject?

Hello there! I'm making a game where the avatar can create clones who throw enemies around. During clone creation, the player can click anywhere on the screen to define the direction of the throw.

This is how I'm storing the click position:

 void DefineCloneThrowDirection(){
 
         Vector3 myMousePosition = Camera.main.ScreenToWorldPoint (Input.mousePosition); //Use camera rect instead of screen dimensions.
         myMousePosition.Set (myMousePosition.x, myMousePosition.y, 0); //"Transform" position from 3D to 2D.
 
         Debug.DrawLine (myPos, myMousePosition,Color.yellow);
 
         //Create clone, set Throw Direction and leave Summoning Mode.
         if (Input.GetKeyDown (KeyCode.Mouse0)) {
             GameObject newClone = (GameObject) Instantiate (cloneList [0], myPos,Quaternion.Euler(0,0,0));
             newClone.layer = 10;
             newClone.GetComponent<CloneThrow> ().SetThrowDirection (myMousePosition);
 
             isSummoning = false;
             Debug.DrawLine (myPos, myMousePosition.normalized,Color.green,10f);
         }
     }

This is the yellow DrawLine between avatar's myPos and mouse's myMousePosition:

But the problem is: I want just the direction, so I could define a fixed strengh to the throw. So I've tried to normalize the click vector. But this is what happens:

Why it isn't keeping the same direction?