unity 3d fps movement script code example
Example 1: fps movment unity
public float walkSpeed = 6.0F;
public float jumpSpeed = 8.0F;
public float runSpeed = 8.0F;
public float gravity = 20.0F;
private Vector3 moveDirection = Vector3.zero;
private CharacterController controller;
void Start()
{
controller = GetComponent<CharacterController>();
}
void Update()
{
if (controller.isGrounded)
{
moveDirection = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical"));
moveDirection = transform.TransformDirection(moveDirection);
moveDirection *= walkSpeed;
if (Input.GetButton("Jump"))
moveDirection.y = jumpSpeed;
}
moveDirection.y -= gravity * Time.deltaTime;
controller.Move(moveDirection * Time.deltaTime);
}
Example 2: 3d fps movement script
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
[RequireComponent(typeof(CharacterController))]
public class SC_FPSController : MonoBehaviour
{
public float walkingSpeed = 7.5f;
public float runningSpeed = 11.5f;
public float jumpSpeed = 8.0f;
public float gravity = 20.0f;
public Camera playerCamera;
public float lookSpeed = 2.0f;
public float lookXLimit = 45.0f;
CharacterController characterController;
Vector3 moveDirection = Vector3.zero;
float rotationX = 0;
[HideInInspector]
public bool canMove = true;
void Start()
{
characterController = GetComponent<CharacterController>();
Cursor.lockState = CursorLockMode.Locked;
Cursor.visible = false;
}
void Update()
{
Vector3 forward = transform.TransformDirection(Vector3.forward);
Vector3 right = transform.TransformDirection(Vector3.right);
bool isRunning = Input.GetKey(KeyCode.LeftShift);
float curSpeedX = canMove ? (isRunning ? runningSpeed : walkingSpeed) * Input.GetAxis("Vertical") : 0;
float curSpeedY = canMove ? (isRunning ? runningSpeed : walkingSpeed) * Input.GetAxis("Horizontal") : 0;
float movementDirectionY = moveDirection.y;
moveDirection = (forward * curSpeedX) + (right * curSpeedY);
if (Input.GetButton("Jump") && canMove && characterController.isGrounded)
{
moveDirection.y = jumpSpeed;
}
else
{
moveDirection.y = movementDirectionY;
}
if (!characterController.isGrounded)
{
moveDirection.y -= gravity * Time.deltaTime;
}
characterController.Move(moveDirection * Time.deltaTime);
if (canMove)
{
rotationX += -Input.GetAxis("Mouse Y") * lookSpeed;
rotationX = Mathf.Clamp(rotationX, -lookXLimit, lookXLimit);
playerCamera.transform.localRotation = Quaternion.Euler(rotationX, 0, 0);
transform.rotation *= Quaternion.Euler(0, Input.GetAxis("Mouse X") * lookSpeed, 0);
}
}
}