1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4.  
5. public class Movement : MonoBehaviour {
6.  
7.     public float movementSpeed;
8.     public float rotationSpeed;
9.     public float rotX;
10.     public float rotY;
11.     public float rotZ;
12.     public Rigidbody rb;
13.     public bool playerIsOnTheGround = true;
14.  
15.     // Use this for initialization
16.     private void Start() {
17.         rb = GetComponent<Rigidbody>();
18.     }
19.  
20.     //Update is called once per frame
21.     void FixedUpdate() {
22.  
23.         if (Input.GetKey(KeyCode.LeftShift) && Input.GetKey("w")) {
24.             transform.position += transform.TransformDirection(Vector3.forward) * Time.deltaTime * movementSpeed * 2.5f;
25.         } else if (Input.GetKey("w") && !Input.GetKey(KeyCode.LeftShift)) {
26.             transform.position += transform.TransformDirection(Vector3.forward) * Time.deltaTime * movementSpeed;
27.         } else if (Input.GetKey("s")) {
28.             transform.position -= transform.TransformDirection(Vector3.forward) * Time.deltaTime * movementSpeed;
29.         }
30.  
31.         if (Input.GetKey("a") && !Input.GetKey("d")) {
32.             transform.position += transform.TransformDirection(Vector3.left) * Time.deltaTime * movementSpeed;
33.         } else if (Input.GetKey("d") && !Input.GetKey("a")) {
34.             transform.position -= transform.TransformDirection(Vector3.left) * Time.deltaTime * movementSpeed;
35.         }
36.     }
37.  
38.     void Update() {
39.         if (Input.GetButtonDown("Jump") && playerIsOnTheGround)
40.         {
41.             rb.AddForce(new Vector3(0, 5, 0), ForceMode.Impulse);
42.             playerIsOnTheGround = false;
43.         }
44.  
45.         private void OnCollisionEnter(Collision collision)
46.         {
47.  
48.             if (collision.gameObject.name == "Floor")
49.             {
50.  
51.                 playerIsOnTheGround = true;
52.             }
53.         }
54.      
55.         rotX -= Input.GetAxis ("Mouse Y") * Time.deltaTime * rotationSpeed;
56.         rotY += Input.GetAxis ("Mouse X") * Time.deltaTime * rotationSpeed;
57.  
58.         if (rotX < -90) {
59.             rotX = -90;
60.         }   else if (rotX > 90) {
61.             rotX = 90;
62.         }
63.    
64.         transform.rotation = Quaternion.Euler (0, rotY, 0);
65.         GameObject.FindWithTag  ("MainCamera").transform.rotation = Quaternion.Euler (rotX, rotY, 0);
66.     }
67. }