unity rotate fps view towards point on screen code example
Example: unity make 3d object spin towards mouse
public class LookTowardMouse : MonoBehaviour { // Update is called once per frame void Update () { //Get the Screen positions of the object Vector2 positionOnScreen = Camera.main.WorldToViewportPoint (transform.position); //Get the Screen position of the mouse Vector2 mouseOnScreen = (Vector2)Camera.main.ScreenToViewportPoint(Input.mousePosition); //Get the angle between the points float angle = AngleBetweenTwoPoints(positionOnScreen, mouseOnScreen); //Ta Daaa transform.rotation = Quaternion.Euler (new Vector3(0f,0f,angle)); } float AngleBetweenTwoPoints(Vector3 a, Vector3 b) { return Mathf.Atan2(a.y - b.y, a.x - b.x) * Mathf.Rad2Deg; } }