80 lines
2.7 KiB
C#
80 lines
2.7 KiB
C#
using UnityEngine;
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public class PlayerMovement : MonoBehaviour
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{
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[Header("Horizontal movement")]
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public float speed = 1f;
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public float sprintSpeedMultiplier = 2f;
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public float crouchSpeedMultiplier = 0.5f;
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public float crouchHeightMultiplier = 0.5f;
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[Header("Vertical movement")]
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public float jumpForce = 1f;
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public float gravityMultiplier = 1f;
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public Transform legsPosition;
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public float legsRadius = 0.5f;
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public LayerMask groundMask;
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[Header("Debug info")]
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[SerializeField] bool isCrouching = false;
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[SerializeField] Vector3 gravityVelocity;
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[SerializeField] bool grounded;
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CharacterController characterController;
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void Start() {
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characterController = GetComponent<CharacterController>();
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}
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void Update() {
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grounded = GetOnGround();
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HandleCrouching();
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HandleMovement();
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HandleJumping();
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DoGravity();
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}
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void HandleCrouching() {
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if (Input.GetKeyDown(KeyCode.C)) {
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isCrouching = !isCrouching;
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if (isCrouching) {
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characterController.center += Vector3.down * (characterController.height * (1 - crouchHeightMultiplier)) / 2;
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characterController.height *= crouchHeightMultiplier;
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} else {
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characterController.height /= crouchHeightMultiplier;
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characterController.center -= Vector3.down * (characterController.height * (1 - crouchHeightMultiplier)) / 2;
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}
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}
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}
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void HandleJumping() {
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if (Input.GetKey(KeyCode.Space) && grounded) {
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gravityVelocity = Vector3.up * (jumpForce * gravityMultiplier);
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}
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}
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void HandleMovement() {
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float horInput = Input.GetAxis("Horizontal");
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float verInput = Input.GetAxis("Vertical");
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Vector3 movementVec = new(horInput, 0, verInput);
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movementVec = transform.TransformDirection(movementVec);
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movementVec = Vector3.ClampMagnitude(movementVec * speed, speed) * Time.deltaTime;
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float modifier = isCrouching ? crouchSpeedMultiplier : Input.GetKey(KeyCode.LeftShift) ? sprintSpeedMultiplier : 1;
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characterController.Move(movementVec * modifier);
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}
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void DoGravity() {
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if (grounded && gravityVelocity.y < 0) gravityVelocity = Vector3.zero;
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gravityVelocity += Physics.gravity * Time.deltaTime;
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characterController.Move(gravityVelocity * (Time.deltaTime * gravityMultiplier));
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}
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bool GetOnGround() {
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return Physics.CheckSphere(legsPosition.position, legsRadius, groundMask);
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}
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void OnControllerColliderHit(ControllerColliderHit hit) {
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hit.gameObject.SendMessage("ReverseOnControllerColliderHit", hit, SendMessageOptions.DontRequireReceiver);
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}
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}
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