How can I implement and adjust mouse sensitivity settings in my Unity first-person shooter game?

Implementing and Adjusting Mouse Sensitivity in Unity

Mouse sensitivity tuning is crucial for creating a responsive and customizable experience in first-person shooter games. In Unity, you can achieve this through various approaches, ensuring users can personalize their gameplay experience.

1. Setting Up Mouse Sensitivity Variables

public class MouseLook : MonoBehaviour {
    public float mouseSensitivity = 100f;
    public Transform playerBody;

    private float xRotation = 0f;

    void Start() {
        Cursor.lockState = CursorLockMode.Locked;
    }

    void Update() {
        float mouseX = Input.GetAxis("Mouse X") * mouseSensitivity * Time.deltaTime;
        float mouseY = Input.GetAxis("Mouse Y") * mouseSensitivity * Time.deltaTime;

        xRotation -= mouseY;
        xRotation = Mathf.Clamp(xRotation, -90f, 90f);

        transform.localRotation = Quaternion.Euler(xRotation, 0f, 0f);
        playerBody.Rotate(Vector3.up * mouseX);
    }
}

2. Adjusting Sensitivity Through UI

• Create a UI slider to adjust in-game mouse sensitivity.
• Bind the slider value to the mouseSensitivity variable.

using UnityEngine.UI;

public Slider sensitivitySlider;

void Start() {
    sensitivitySlider.value = PlayerPrefs.GetFloat("mouseSensitivity", 100f);
    sensitivitySlider.onValueChanged.AddListener(OnSensitivityChanged);
}

void OnSensitivityChanged(float value) {
    mouseSensitivity = value;
    PlayerPrefs.SetFloat("mouseSensitivity", value);
}

3. Saving and Loading Sensitivity Settings

• Use Unity’s PlayerPrefs to save and retrieve user’s sensitivity settings across game sessions.

4. Fine-Tuning Precision

Consider allowing the use of DPI adjustments in conjunction with in-game sensitivity to offer precision tuning. Provide options for different control schemes, such as low-DPI-high-sensitivity or high-DPI-low-sensitivity settings.

5. Testing and Feedback

• Conduct testing sessions with players to gather feedback on mouse settings.
• Ensure sensitivity adjustments align with user preferences for both accuracy and comfort.

Joyst1ck

Gaming Writer & HTML5 Developer

Answering gaming questions—from Roblox and Minecraft to the latest indie hits. I write developer‑focused HTML5 articles and share practical tips on game design, monetisation, and scripting.

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