Player, player movement, camera control

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3D FPS/Assets/KinematicCharacterController/Walkthrough/6- Crouching/Scripts.meta

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3D FPS/Assets/KinematicCharacterController/Walkthrough/6- Crouching/Scripts/MyCharacterController.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using KinematicCharacterController;
+using System;
+
+namespace KinematicCharacterController.Walkthrough.Crouching
+{
+    public struct PlayerCharacterInputs
+    {
+        public float MoveAxisForward;
+        public float MoveAxisRight;
+        public Quaternion CameraRotation;
+        public bool JumpDown;
+        public bool CrouchDown;
+        public bool CrouchUp;
+    }
+
+    public class MyCharacterController : MonoBehaviour, ICharacterController
+    {
+        public KinematicCharacterMotor Motor;
+
+        [Header("Stable Movement")]
+        public float MaxStableMoveSpeed = 10f;
+        public float StableMovementSharpness = 15;
+        public float OrientationSharpness = 10;
+
+        [Header("Air Movement")]
+        public float MaxAirMoveSpeed = 10f;
+        public float AirAccelerationSpeed = 5f;
+        public float Drag = 0.1f;
+
+        [Header("Jumping")]
+        public bool AllowJumpingWhenSliding = false;
+        public bool AllowDoubleJump = false;
+        public bool AllowWallJump = false;
+        public float JumpSpeed = 10f;
+        public float JumpPreGroundingGraceTime = 0f;
+        public float JumpPostGroundingGraceTime = 0f;
+
+        [Header("Misc")]
+        public Vector3 Gravity = new Vector3(0, -30f, 0);
+        public Transform MeshRoot;
+
+        private Collider[] _probedColliders = new Collider[8];
+        private Vector3 _moveInputVector;
+        private Vector3 _lookInputVector;
+        private bool _jumpRequested = false;
+        private bool _jumpConsumed = false;
+        private bool _jumpedThisFrame = false;
+        private float _timeSinceJumpRequested = Mathf.Infinity;
+        private float _timeSinceLastAbleToJump = 0f;
+        private bool _doubleJumpConsumed = false;
+        private bool _canWallJump = false;
+        private Vector3 _wallJumpNormal;
+        private Vector3 _internalVelocityAdd = Vector3.zero;
+        private bool _shouldBeCrouching = false;
+        private bool _isCrouching = false;
+
+        private void Start()
+        {
+            // Assign to motor
+            Motor.CharacterController = this;
+        }
+
+        /// <summary>
+        /// This is called every frame by MyPlayer in order to tell the character what its inputs are
+        /// </summary>
+        public void SetInputs(ref PlayerCharacterInputs inputs)
+        {
+            // Clamp input
+            Vector3 moveInputVector = Vector3.ClampMagnitude(new Vector3(inputs.MoveAxisRight, 0f, inputs.MoveAxisForward), 1f);
+
+            // Calculate camera direction and rotation on the character plane
+            Vector3 cameraPlanarDirection = Vector3.ProjectOnPlane(inputs.CameraRotation * Vector3.forward, Motor.CharacterUp).normalized;
+            if (cameraPlanarDirection.sqrMagnitude == 0f)
+            {
+                cameraPlanarDirection = Vector3.ProjectOnPlane(inputs.CameraRotation * Vector3.up, Motor.CharacterUp).normalized;
+            }
+            Quaternion cameraPlanarRotation = Quaternion.LookRotation(cameraPlanarDirection, Motor.CharacterUp);
+
+            // Move and look inputs
+            _moveInputVector = cameraPlanarRotation * moveInputVector;
+            _lookInputVector = cameraPlanarDirection;
+
+            // Jumping input
+            if (inputs.JumpDown)
+            {
+                _timeSinceJumpRequested = 0f;
+                _jumpRequested = true;
+            }
+
+            // Crouching input
+            if (inputs.CrouchDown)
+            {
+                _shouldBeCrouching = true;
+
+                if (!_isCrouching)
+                {
+                    _isCrouching = true;
+                    Motor.SetCapsuleDimensions(0.5f, 1f, 0.5f);
+                    MeshRoot.localScale = new Vector3(1f, 0.5f, 1f);
+                }
+            }
+            else if (inputs.CrouchUp)
+            {
+                _shouldBeCrouching = false;
+            }
+        }
+
+        /// <summary>
+        /// (Called by KinematicCharacterMotor during its update cycle)
+        /// This is called before the character begins its movement update
+        /// </summary>
+        public void BeforeCharacterUpdate(float deltaTime)
+        {
+        }
+
+        /// <summary>
+        /// (Called by KinematicCharacterMotor during its update cycle)
+        /// This is where you tell your character what its rotation should be right now. 
+        /// This is the ONLY place where you should set the character's rotation
+        /// </summary>
+        public void UpdateRotation(ref Quaternion currentRotation, float deltaTime)
+        {
+            if (_lookInputVector != Vector3.zero && OrientationSharpness > 0f)
+            {
+                // Smoothly interpolate from current to target look direction
+                Vector3 smoothedLookInputDirection = Vector3.Slerp(Motor.CharacterForward, _lookInputVector, 1 - Mathf.Exp(-OrientationSharpness * deltaTime)).normalized;
+
+                // Set the current rotation (which will be used by the KinematicCharacterMotor)
+                currentRotation = Quaternion.LookRotation(smoothedLookInputDirection, Motor.CharacterUp);
+            }
+        }
+
+        /// <summary>
+        /// (Called by KinematicCharacterMotor during its update cycle)
+        /// This is where you tell your character what its velocity should be right now. 
+        /// This is the ONLY place where you can set the character's velocity
+        /// </summary>
+        public void UpdateVelocity(ref Vector3 currentVelocity, float deltaTime)
+        {
+            Vector3 targetMovementVelocity = Vector3.zero;
+            if (Motor.GroundingStatus.IsStableOnGround)
+            {
+                // Reorient velocity on slope
+                currentVelocity = Motor.GetDirectionTangentToSurface(currentVelocity, Motor.GroundingStatus.GroundNormal) * currentVelocity.magnitude;
+
+                // Calculate target velocity
+                Vector3 inputRight = Vector3.Cross(_moveInputVector, Motor.CharacterUp);
+                Vector3 reorientedInput = Vector3.Cross(Motor.GroundingStatus.GroundNormal, inputRight).normalized * _moveInputVector.magnitude;
+                targetMovementVelocity = reorientedInput * MaxStableMoveSpeed;
+
+                // Smooth movement Velocity
+                currentVelocity = Vector3.Lerp(currentVelocity, targetMovementVelocity, 1 - Mathf.Exp(-StableMovementSharpness * deltaTime));
+            }
+            else
+            {
+                // Add move input
+                if (_moveInputVector.sqrMagnitude > 0f)
+                {
+                    targetMovementVelocity = _moveInputVector * MaxAirMoveSpeed;
+
+                    // Prevent climbing on un-stable slopes with air movement
+                    if (Motor.GroundingStatus.FoundAnyGround)
+                    {
+                        Vector3 perpenticularObstructionNormal = Vector3.Cross(Vector3.Cross(Motor.CharacterUp, Motor.GroundingStatus.GroundNormal), Motor.CharacterUp).normalized;
+                        targetMovementVelocity = Vector3.ProjectOnPlane(targetMovementVelocity, perpenticularObstructionNormal);
+                    }
+
+                    Vector3 velocityDiff = Vector3.ProjectOnPlane(targetMovementVelocity - currentVelocity, Gravity);
+                    currentVelocity += velocityDiff * AirAccelerationSpeed * deltaTime;
+                }
+
+                // Gravity
+                currentVelocity += Gravity * deltaTime;
+
+                // Drag
+                currentVelocity *= (1f / (1f + (Drag * deltaTime)));
+            }
+
+            // Handle jumping
+            {
+                _jumpedThisFrame = false;
+                _timeSinceJumpRequested += deltaTime;
+                if (_jumpRequested)
+                {
+                    // Handle double jump
+                    if (AllowDoubleJump)
+                    {
+                        if (_jumpConsumed && !_doubleJumpConsumed && (AllowJumpingWhenSliding ? !Motor.GroundingStatus.FoundAnyGround : !Motor.GroundingStatus.IsStableOnGround))
+                        {
+                            Motor.ForceUnground(0.1f);
+
+                            // Add to the return velocity and reset jump state
+                            currentVelocity += (Motor.CharacterUp * JumpSpeed) - Vector3.Project(currentVelocity, Motor.CharacterUp);
+                            _jumpRequested = false;
+                            _doubleJumpConsumed = true;
+                            _jumpedThisFrame = true;
+                        }
+                    }
+
+                    // See if we actually are allowed to jump
+                    if (_canWallJump ||
+                        (!_jumpConsumed && ((AllowJumpingWhenSliding ? Motor.GroundingStatus.FoundAnyGround : Motor.GroundingStatus.IsStableOnGround) || _timeSinceLastAbleToJump <= JumpPostGroundingGraceTime)))
+                    {
+                        // Calculate jump direction before ungrounding
+                        Vector3 jumpDirection = Motor.CharacterUp;
+                        if (_canWallJump)
+                        {
+                            jumpDirection = _wallJumpNormal;
+                        }
+                        else if (Motor.GroundingStatus.FoundAnyGround && !Motor.GroundingStatus.IsStableOnGround)
+                        {
+                            jumpDirection = Motor.GroundingStatus.GroundNormal;
+                        }
+
+                        // Makes the character skip ground probing/snapping on its next update. 
+                        // If this line weren't here, the character would remain snapped to the ground when trying to jump. Try commenting this line out and see.
+                        Motor.ForceUnground(0.1f);
+
+                        // Add to the return velocity and reset jump state
+                        currentVelocity += (jumpDirection * JumpSpeed) - Vector3.Project(currentVelocity, Motor.CharacterUp);
+                        _jumpRequested = false;
+                        _jumpConsumed = true;
+                        _jumpedThisFrame = true;
+                    }
+                }
+
+                // Reset wall jump
+                _canWallJump = false;
+            }
+
+            // Take into account additive velocity
+            if (_internalVelocityAdd.sqrMagnitude > 0f)
+            {
+                currentVelocity += _internalVelocityAdd;
+                _internalVelocityAdd = Vector3.zero;
+            }
+        }
+
+        /// <summary>
+        /// (Called by KinematicCharacterMotor during its update cycle)
+        /// This is called after the character has finished its movement update
+        /// </summary>
+        public void AfterCharacterUpdate(float deltaTime)
+        {
+            // Handle jump-related values
+            {
+                // Handle jumping pre-ground grace period
+                if (_jumpRequested && _timeSinceJumpRequested > JumpPreGroundingGraceTime)
+                {
+                    _jumpRequested = false;
+                }
+
+                if (AllowJumpingWhenSliding ? Motor.GroundingStatus.FoundAnyGround : Motor.GroundingStatus.IsStableOnGround)
+                {
+                    // If we're on a ground surface, reset jumping values
+                    if (!_jumpedThisFrame)
+                    {
+                        _doubleJumpConsumed = false;
+                        _jumpConsumed = false;
+                    }
+                    _timeSinceLastAbleToJump = 0f;
+                }
+                else
+                {
+                    // Keep track of time since we were last able to jump (for grace period)
+                    _timeSinceLastAbleToJump += deltaTime;
+                }
+            }
+
+            // Handle uncrouching
+            if (_isCrouching && !_shouldBeCrouching)
+            {
+                // Do an overlap test with the character's standing height to see if there are any obstructions
+                Motor.SetCapsuleDimensions(0.5f, 2f, 1f);
+                if (Motor.CharacterCollisionsOverlap(
+                        Motor.TransientPosition,
+                        Motor.TransientRotation,
+                        _probedColliders) > 0)
+                {
+                    // If obstructions, just stick to crouching dimensions
+                    Motor.SetCapsuleDimensions(0.5f, 1f, 0.5f);
+                }
+                else
+                {
+                    // If no obstructions, uncrouch
+                    MeshRoot.localScale = new Vector3(1f, 1f, 1f);
+                    _isCrouching = false;
+                }
+            }
+        }
+
+        public bool IsColliderValidForCollisions(Collider coll)
+        {
+            return true;
+        }
+
+        public void OnGroundHit(Collider hitCollider, Vector3 hitNormal, Vector3 hitPoint, ref HitStabilityReport hitStabilityReport)
+        {
+        }
+
+        public void OnMovementHit(Collider hitCollider, Vector3 hitNormal, Vector3 hitPoint, ref HitStabilityReport hitStabilityReport)
+        {
+            // We can wall jump only if we are not stable on ground and are moving against an obstruction
+            if (AllowWallJump && !Motor.GroundingStatus.IsStableOnGround && !hitStabilityReport.IsStable)
+            {
+                _canWallJump = true;
+                _wallJumpNormal = hitNormal;
+            }
+        }
+
+        public void ProcessHitStabilityReport(Collider hitCollider, Vector3 hitNormal, Vector3 hitPoint, Vector3 atCharacterPosition, Quaternion atCharacterRotation, ref HitStabilityReport hitStabilityReport)
+        {
+        }
+
+        public void PostGroundingUpdate(float deltaTime)
+        {
+        }
+
+        public void AddVelocity(Vector3 velocity)
+        {
+            _internalVelocityAdd += velocity;
+        }
+
+        public void OnDiscreteCollisionDetected(Collider hitCollider)
+        {
+        }
+    }
+}

3D FPS/Assets/KinematicCharacterController/Walkthrough/6- Crouching/Scripts/MyCharacterController.cs.meta

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3D FPS/Assets/KinematicCharacterController/Walkthrough/6- Crouching/Scripts/MyPlayer.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using KinematicCharacterController;
+using KinematicCharacterController.Examples;
+
+namespace KinematicCharacterController.Walkthrough.Crouching
+{
+    public class MyPlayer : MonoBehaviour
+    {
+        public ExampleCharacterCamera OrbitCamera;
+        public Transform CameraFollowPoint;
+        public MyCharacterController Character;
+
+        private const string MouseXInput = "Mouse X";
+        private const string MouseYInput = "Mouse Y";
+        private const string MouseScrollInput = "Mouse ScrollWheel";
+        private const string HorizontalInput = "Horizontal";
+        private const string VerticalInput = "Vertical";
+
+        private void Start()
+        {
+            Cursor.lockState = CursorLockMode.Locked;
+
+            // Tell camera to follow transform
+            OrbitCamera.SetFollowTransform(CameraFollowPoint);
+
+            // Ignore the character's collider(s) for camera obstruction checks
+            OrbitCamera.IgnoredColliders.Clear();
+            OrbitCamera.IgnoredColliders.AddRange(Character.GetComponentsInChildren<Collider>());
+        }
+
+        private void Update()
+        {
+            if (Input.GetMouseButtonDown(0))
+            {
+                Cursor.lockState = CursorLockMode.Locked;
+            }
+
+            HandleCharacterInput();
+        }
+
+        private void LateUpdate()
+        {
+            HandleCameraInput();
+        }
+
+        private void HandleCameraInput()
+        {
+            // Create the look input vector for the camera
+            float mouseLookAxisUp = Input.GetAxisRaw(MouseYInput);
+            float mouseLookAxisRight = Input.GetAxisRaw(MouseXInput);
+            Vector3 lookInputVector = new Vector3(mouseLookAxisRight, mouseLookAxisUp, 0f);
+
+            // Prevent moving the camera while the cursor isn't locked
+            if (Cursor.lockState != CursorLockMode.Locked)
+            {
+                lookInputVector = Vector3.zero;
+            }
+
+            // Input for zooming the camera (disabled in WebGL because it can cause problems)
+            float scrollInput = -Input.GetAxis(MouseScrollInput);
+#if UNITY_WEBGL
+        scrollInput = 0f;
+#endif
+
+            // Apply inputs to the camera
+            OrbitCamera.UpdateWithInput(Time.deltaTime, scrollInput, lookInputVector);
+
+            // Handle toggling zoom level
+            if (Input.GetMouseButtonDown(1))
+            {
+                OrbitCamera.TargetDistance = (OrbitCamera.TargetDistance == 0f) ? OrbitCamera.DefaultDistance : 0f;
+            }
+        }
+
+        private void HandleCharacterInput()
+        {
+            PlayerCharacterInputs characterInputs = new PlayerCharacterInputs();
+
+            // Build the CharacterInputs struct
+            characterInputs.MoveAxisForward = Input.GetAxisRaw(VerticalInput);
+            characterInputs.MoveAxisRight = Input.GetAxisRaw(HorizontalInput);
+            characterInputs.CameraRotation = OrbitCamera.Transform.rotation;
+            characterInputs.JumpDown = Input.GetKeyDown(KeyCode.Space);
+            characterInputs.CrouchDown = Input.GetKeyDown(KeyCode.C);
+            characterInputs.CrouchUp = Input.GetKeyUp(KeyCode.C);
+
+            // Apply inputs to character
+            Character.SetInputs(ref characterInputs);
+        }
+    }
+}

3D FPS/Assets/KinematicCharacterController/Walkthrough/6- Crouching/Scripts/MyPlayer.cs.meta

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