FPSController.cs

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

// Generic First-Person-Shooter-like Controller 
[RequireComponent(typeof(CharacterController))]
public class FPSController : MonoBehaviour
{
    [Tooltip("How fast the player moves when walking (default move speed).")]
    [SerializeField]
    private float movementWalkSpeed = 6.0f;
 
    [Tooltip("How fast the player moves when running.")]
    [SerializeField]
    private float movementRunSpeed = 11.0f;
 
    [Tooltip("If true, diagonal speed (when strafing + moving forward or back) can't exceed normal move speed; otherwise it's about 1.4 times faster.")]
    [SerializeField]
    public bool movementLimitDiagonalSpeed = true;
 
    [Tooltip("If checked, the run key toggles between running and walking. Otherwise player runs if the key is held down.")]
    [SerializeField]
    private bool movementToggleRun = false;
 
    [Tooltip("How high the player jumps when hitting the jump button.")]
    [SerializeField]
    private float movementJumpSpeed = 8.0f;
 
    [Tooltip("How fast the player falls when not standing on anything.")]
    [SerializeField]
    private float movementGravity = 20.0f;
 
    [Tooltip("Units that player can fall before a falling function is run. To disable, type \"infinity\" in the inspector.")]
    [SerializeField]
    private float movementFallingThreshold = 10.0f;
 
    [Tooltip("If the player ends up on a slope which is at least the Slope Limit as set on the character controller, then he will slide down.")]
    [SerializeField]
    private bool movementSlideWhenOverSlopeLimit = false;
 
    [Tooltip("If checked and the player is on an object tagged \"Slide\", he will slide down it regardless of the slope limit.")]
    [SerializeField]
    private bool movementSlideOnTaggedObjects = false;
 
    [Tooltip("How fast the player slides when on slopes as defined above.")]
    [SerializeField]
    private float movementSlideSpeed = 12.0f;
 
    [Tooltip("If checked, then the player can change direction while in the air.")]
    [SerializeField]
    private bool movementAirControl = false;
 
    [Tooltip("Small amounts of this results in bumping when walking down slopes, but large amounts results in falling too fast.")]
    [SerializeField]
    private float movementAntiBumpFactor = .75f;
 
    [Tooltip("Player must be grounded for at least this many physics frames before being able to jump again; set to 0 to allow bunny hopping.")]
    [SerializeField]
    private int movementAntiBunnyHopFactor = 1;
 
    private Vector3 movementMoveDirection = Vector3.zero;
    private bool movementGrounded = false;
    private CharacterController movementController;
    private Transform movementTransform;
    private float movementSpeed;
    private RaycastHit movementHit;
    private float movementFallStartLevel;
    private bool movementFalling;
    private float movementSlideLimit;
    private float movementRayDistance;