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Question by kmetcalfe1 · Sep 20, 2019 at 02:02 PM · mousemousepositionbounds

Child item on moving and rotating character follows mouse within bounds

I have a character with antennae, and his antennae tips (small spheres) should follow the on-screen mouse within a certain bounds (I try (1,1,1) here). The tips should smoothly move toward the mouse and stop moving at the bounds, and continue moving again if the mouse pointer becomes in-bounds or moving toward the mouse is an in-bounds direction. Current code:

 public class antennaeTops : MonoBehaviour
 {
     Vector3 lastPos;
     float distanceFromCamera;
     Vector3 boundVector = new Vector3(1, 1, 1);
     void Start()
     {
         distanceFromCamera = Vector3.Distance(transform.position, Camera.main.transform.position);
 
 
     }
 
     void FixedUpdate()
     {
         Vector3 pos = Input.mousePosition;
         pos.z = distanceFromCamera;
         pos = Camera.main.ScreenToWorldPoint(pos);
         if ((pos-transform.position).magnitude <= boundVector.magnitude)
         {
             transform.position = Vector3.MoveTowards(transform.position, pos, 2f*Time.deltaTime);
             
             pos.z = distanceFromCamera;
         }  
     }
 
 }

Basically, I try to get the distance from the antennae tops to the camera (also a child of the character) and hold that z position as the x and y position move according to where the mouse is. The tips seem to stop in random points and not stay within any kind of bounds. Help!

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