UNITY引擎下简单FPS类游戏编写脚本一览

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Spin : MonoBehaviour {
    public float speed = 3.0f;
    // Use this for initialization
    void Start () {
        
    }
    
    // Update is called once per frame
    void Update () {
        transform.Rotate (0, speed, 0, Space.World);
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class MouseLook : MonoBehaviour {
	public enum RotationAxes{
		MouseXAndY = 0,
		MouseX = 1,
		MouseY = 2,
	}

	public RotationAxes axes = RotationAxes.MouseX;
	public float sensitivityHor = 9.0f;
	public float sensivtiityVert = 9.0f;

	public float minimumVert = -45.0f;
	public float maxiimumVert = 45.0f;

	private float _rotationX = 0;
	// Use this for initialization
	void Start () {
		Rigidbody body = GetComponent<Rigidbody> ();
		if(body != null){
			body.freezeRotation = true;
		}
	}
	
	// Update is called once per frame
	void Update () {
		if (axes == RotationAxes.MouseX){
			transform.Rotate (0, Input.GetAxis ("Mouse X") * sensitivityHor, 0);
		}
		else if (axes == RotationAxes.MouseY){
			_rotationX -= Input.GetAxis (
				"Mouse Y") * sensivtiityVert;
			_rotationX = Mathf.Clamp (_rotationX, minimumVert, maxiimumVert);

			float rotationY = transform.localEulerAngles.y;

			transform.localEulerAngles = new Vector3 (
				_rotationX, rotationY, 0);
		}
		else {
			_rotationX -= Input.GetAxis (
				"Mouse Y") * sensivtiityVert;
			_rotationX = Mathf.Clamp (_rotationX, minimumVert, maxiimumVert);

			float delta = Input.GetAxis ("Mouse X") * sensitivityHor;
			float rotatuinY = 
				transform.localEulerAngles.y + delta;

			transform.localEulerAngles = new Vector3 (_rotationX, rotatuinY, 0);

		}
	}
}

　　

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class FPSinput : MonoBehaviour {
    public float speed = 6.0f;
    private CharacterController _characterController;
    public float gravity = -9.8f;

    // Use this for initialization
    void Start () {
        _characterController = GetComponent<
            CharacterController> ();
    }
    
    // Update is called once per frame
    void Update () {
        float deltaX = Input.GetAxis ("Horizontal") * speed;
        float deltaZ = Input.GetAxis ("Vertical") * speed;
        Vector3 movement = new Vector3 (deltaX, 0, deltaZ);
        movement = Vector3.ClampMagnitude (movement, speed);
        movement.y = gravity;

        movement *= Time.deltaTime;
        movement = transform.TransformDirection (movement);
        _characterController.Move (movement);
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class RayShooter : MonoBehaviour {
    private Camera _camera;


    // Use this for initialization
    void Start () {
        _camera = GetComponent<Camera> ();

        Cursor.lockState = CursorLockMode.Locked;
        Cursor.visible = false;
    }

    void OnGUI(){
        int size = 12;
        float posX = _camera.pixelWidth / 2 - size / 4;
        float posY = _camera.pixelHeight / 2 - size / 2;
        GUI.Label (new Rect (posX, posY, size, size), "*");
    }
    
    // Update is called once per frame
    void Update () {
        if(Input.GetMouseButtonDown(0)){
            Vector3 point = new Vector3 (_camera.pixelWidth / 2,
                                _camera.pixelHeight / 2, 0);
            Ray ray = _camera.ScreenPointToRay (point);
            RaycastHit hit;
            if(Physics.Raycast(ray, out hit)){
                GameObject hitObject = hit.transform.gameObject;
                ReactiveTarget target = hitObject.GetComponent<ReactiveTarget> ();

                if(target != null){
                    target.ReactToHit ();
                }else{
                    StartCoroutine (SphereIndicator (hit.point));
                }

            }
        }
    }
    private IEnumerator SphereIndicator(Vector3 pos){
        GameObject sphere = GameObject.CreatePrimitive (PrimitiveType.Sphere);
        sphere.transform.position = pos;

        yield return new WaitForSeconds (1);

        Destroy (sphere);
    }
}