107 lines
3.0 KiB
C#
107 lines
3.0 KiB
C#
using UnityEngine;
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public class FirstPersonController : MonoBehaviour
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{
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[Header("Movement Settings")]
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public float walkSpeed = 8f;
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public float runSpeed = 14f;
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public float jumpHeight = 2.5f;
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public float gravity = -20f;
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[Header("Mouse Look Settings")]
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public float mouseSensitivity = 3f;
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public float maxLookAngle = 90f;
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[Header("References")]
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public Camera playerCamera;
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// Private variables
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private CharacterController controller;
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private Vector3 velocity;
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private bool isGrounded;
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private float xRotation = 0f;
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void Start()
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{
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// Get the CharacterController component
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controller = GetComponent<CharacterController>();
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// If no camera is assigned, try to find one
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if (playerCamera == null)
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{
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playerCamera = GetComponentInChildren<Camera>();
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}
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// Lock and hide the cursor
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Cursor.lockState = CursorLockMode.Locked;
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Cursor.visible = false;
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}
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void Update()
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{
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// Check if player is on the ground
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isGrounded = controller.isGrounded;
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// Reset vertical velocity when grounded
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if (isGrounded && velocity.y < 0)
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{
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velocity.y = -2f;
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}
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// Get movement input
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float moveX = Input.GetAxis("Horizontal"); // A/D or Left/Right arrows
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float moveZ = Input.GetAxis("Vertical"); // W/S or Up/Down arrows
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// Calculate movement direction
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Vector3 move = transform.right * moveX + transform.forward * moveZ;
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// Determine current speed (run if Shift is held)
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float currentSpeed = Input.GetKey(KeyCode.LeftShift) ? runSpeed : walkSpeed;
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// Move the character
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controller.Move(move * currentSpeed * Time.deltaTime);
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// Jumping
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if (Input.GetButtonDown("Jump") && isGrounded)
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{
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velocity.y = Mathf.Sqrt(jumpHeight * -2f * gravity);
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}
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// Apply gravity
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velocity.y += gravity * Time.deltaTime;
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controller.Move(velocity * Time.deltaTime);
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// Mouse look
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HandleMouseLook();
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// Press Escape to unlock cursor
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if (Input.GetKeyDown(KeyCode.Escape))
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{
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Cursor.lockState = CursorLockMode.None;
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Cursor.visible = true;
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}
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// Click to lock cursor again
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if (Input.GetMouseButtonDown(0) && Cursor.lockState == CursorLockMode.None)
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{
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Cursor.lockState = CursorLockMode.Locked;
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Cursor.visible = false;
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}
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}
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void HandleMouseLook()
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{
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// Get mouse input
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float mouseX = Input.GetAxis("Mouse X") * mouseSensitivity;
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float mouseY = Input.GetAxis("Mouse Y") * mouseSensitivity;
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// Rotate camera up/down (pitch)
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xRotation -= mouseY;
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xRotation = Mathf.Clamp(xRotation, -maxLookAngle, maxLookAngle);
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playerCamera.transform.localRotation = Quaternion.Euler(xRotation, 0f, 0f);
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// Rotate player left/right (yaw)
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transform.Rotate(Vector3.up * mouseX);
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}
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}
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