Resolved Camera Jumps When Player Runs

I'm trying to make a basic 3rd person camera collider so my camera doesn't clip through walls/floors. I have the basics working, but when make the character run the camera jumps around unexpectedly (something it didn't do before I tried to add a collider). Any advice for a newbie like me? The code for my camera controller is below.

Code (CSharp):

1. public class ThirdPersonCamera : MonoBehaviour
2. {
3.     //in inspector, drag a cam look target into this field (cam will circle around it)
4.     public Transform cameraTarget;
5.     public bool lockCursor;
6.  
7.     public float mouseSensitivity = 10f;
8.     public float distanceFromCameraTarget = 1f;
9.  
10.     float upDownRotation;
11.     float leftRightRotation;
12.    
13.     //so that camera will not tumble over the top of the character
14.     public Vector2 upDownRotationMinMax = new Vector2(-40, 85);
15.     public float cameraRotationSmoothTime = .07f;
16.     Vector3 rotationSmoothVelocity, currentRotation;
17.  
18.     //Zoom
19.     float currentZoom = 5f;
20.     float minZoom = .5f;
21.     float maxZoom = 10f;
22.     float zoomSpeed = 4f;
23.  
24.     private void Start()
25.     {
26.         //lock the cursor to the center of the screen
27.         if(lockCursor)
28.         {
29.             Cursor.lockState = CursorLockMode.Locked;
30.             Cursor.visible = false;
31.         }
32.     }
33.  
34.     // Update is called once per frame
35.     private void Update()
36.     {
37.         currentZoom -= Input.GetAxis("Mouse ScrollWheel") * zoomSpeed;
38.         currentZoom = Mathf.Clamp(currentZoom, minZoom, maxZoom);
39.     }
40.  
41.     // Late update because target position will be set before this is called
42.     void LateUpdate()
43.     {
44.         //moving mouse up and down will look up and down, and left right is left right
45.         leftRightRotation += Input.GetAxis("Mouse X") * mouseSensitivity;
46.         upDownRotation -= Input.GetAxis("Mouse Y") * mouseSensitivity;
47.         //no camera tumbling, clamp between 2 degrees
48.         upDownRotation = Mathf.Clamp(upDownRotation, upDownRotationMinMax.x, upDownRotationMinMax.y);
49.  
50.         currentRotation = Vector3.SmoothDamp(currentRotation, new Vector3(upDownRotation, leftRightRotation), ref rotationSmoothVelocity, cameraRotationSmoothTime);
51.         transform.eulerAngles = currentRotation;
52.  
53.         // move the camera
54.         transform.position = cameraTarget.position - transform.forward * distanceFromCameraTarget * currentZoom;
55.  
56.         //send out a raycast
57.         RaycastHit hit = new RaycastHit();
58.         //if something collides, transform camera to hit location
59.         if (Physics.Linecast(cameraTarget.position, transform.position, out hit))
60.         {
61.             Debug.DrawRay(hit.point, Vector3.left, Color.red);
62.             transform.position = new Vector3(hit.point.x, hit.point.y, hit.point.z);
63.             Debug.Log(transform.position);
64.         }
65.     }
66. }
67.  

 

Hi,

Have you tried to just let the camera Lerp, instead of jumping to the new hit position, when the ray from player to the camera hit something in between?

 

No, I didn't know that was a thing I could do. I will try that, thanks!

 

I figured out what my issue was and wanted to put it down in case anyone else ran into something similar:

So I am using a REAL basic collider code

Code (CSharp):

1.         //CAMERA COLLISION
2.         //send out a raycast
3.         RaycastHit hit = new RaycastHit();
4.         //if something collides, transform camera to hit location
5.         //ignore the layermask "ignore Collision" which is attached to objects with large collider trigger areas
6.         if (Physics.Linecast(cameraTarget.position, transform.position, out hit, ~collisionIgnore))
7.         {
8.             Debug.Log("Collision!");
9.             transform.position = new Vector3(hit.point.x, hit.point.y, hit.point.z);
10.         }

the magic part of this code i was originally missing was that ~collisionIgnore portion in the linecast (it is a public Layermask). I had collider triggers around objects in my scene that went out 2 units, and this raycast was still interacting with them even though they were only for interaction trigger purposes. By putting the trigger collider on a separate object and marking that object on some sort of "Ignore Raycast" layer, i avoided this weird skipping issue