This is a simple combination of two scripts. I was not satisfied with the camera move and mouse look scripts I found. Hopefully, this will help someone else. The movement is really only for looking at a scene in game.
Simply attach the script to the main camera.
Show Code
using UnityEngine;
// Daniel Flanigan, 2014
// This is a combined mouse look and camera move script.
// The cam move script is by: Francis R. Griffiths-Keam
public class CombinedMouseLookAndCameraMove : MonoBehaviour
{
Vector2 _mouseAbsolute;
Vector2 _smoothMouse;
[Space (20)]
[Header ("Mouse Look Settings :")]
public Vector2
clampInDegrees = new Vector2 (360, 180);
public bool lockCursor;
public Vector2 sensitivity = new Vector2 (2, 2);
public Vector2 smoothing = new Vector2 (3, 3);
public Vector2 targetDirection;
public Vector2 targetCharacterDirection;
// Assign this if there's a parent object controlling motion, such as a Character Controller.
// Yaw rotation will affect this object instead of the camera if set.
public GameObject characterBody;
[Space (20)]
[Header ("Camera Move Settings :")]
public float speed = 5.0f;
public KeyCode fwdKey = KeyCode.W;
public KeyCode leftKey = KeyCode.A;
public KeyCode backKey = KeyCode.S;
public KeyCode rightKey = KeyCode.D;
void Start ()
{
// Set target direction to the camera's initial orientation.
targetDirection = transform.localRotation.eulerAngles;
// Set target direction for the character body to its inital state.
if (characterBody)
targetCharacterDirection = characterBody.transform.localRotation.eulerAngles;
}
void Update ()
{
// Ensure the cursor is always locked when set
Screen.lockCursor = lockCursor;
// Allow the script to clamp based on a desired target value.
var targetOrientation = Quaternion.Euler (targetDirection);
var targetCharacterOrientation = Quaternion.Euler (targetCharacterDirection);
// Get raw mouse input for a cleaner reading on more sensitive mice.
var mouseDelta = new Vector2 (Input.GetAxisRaw ("Mouse X"), Input.GetAxisRaw ("Mouse Y"));
// Scale input against the sensitivity setting and multiply that against the smoothing value.
mouseDelta = Vector2.Scale (mouseDelta, new Vector2 (sensitivity.x * smoothing.x, sensitivity.y * smoothing.y));
// Interpolate mouse movement over time to apply smoothing delta.
_smoothMouse.x = Mathf.Lerp (_smoothMouse.x, mouseDelta.x, 1f / smoothing.x);
_smoothMouse.y = Mathf.Lerp (_smoothMouse.y, mouseDelta.y, 1f / smoothing.y);
// Find the absolute mouse movement value from point zero.
_mouseAbsolute += _smoothMouse;
// Clamp and apply the local x value first, so as not to be affected by world transforms.
if (clampInDegrees.x < 360)
_mouseAbsolute.x = Mathf.Clamp (_mouseAbsolute.x, -clampInDegrees.x * 0.5f, clampInDegrees.x * 0.5f);
var xRotation = Quaternion.AngleAxis (-_mouseAbsolute.y, targetOrientation * Vector3.right);
transform.localRotation = xRotation;
// Then clamp and apply the global y value.
if (clampInDegrees.y < 360)
_mouseAbsolute.y = Mathf.Clamp (_mouseAbsolute.y, -clampInDegrees.y * 0.5f, clampInDegrees.y * 0.5f);
transform.localRotation *= targetOrientation;
// If there's a character body that acts as a parent to the camera
if (characterBody) {
var yRotation = Quaternion.AngleAxis (_mouseAbsolute.x, characterBody.transform.up);
characterBody.transform.localRotation = yRotation;
characterBody.transform.localRotation *= targetCharacterOrientation;
} else {
var yRotation = Quaternion.AngleAxis (_mouseAbsolute.x, transform.InverseTransformDirection (Vector3.up));
transform.localRotation *= yRotation;
}
if (Input.GetKey (rightKey)) {
transform.Translate (new Vector3 (speed * Time.deltaTime, 0, 0));
}
if (Input.GetKey (leftKey)) {
transform.Translate (new Vector3 (-speed * Time.deltaTime, 0, 0));
}
if (Input.GetKey (backKey)) {
transform.Translate (new Vector3 (0, 0, -speed * Time.deltaTime));
}
if (Input.GetKey (fwdKey)) {
transform.Translate (new Vector3 (0, 0, speed * Time.deltaTime));
}
}
}
