extends CharacterBody3D

const SPEED = 5.0
const JUMP_VELOCITY = 10

var is_wall_sliding : bool =false
var camoffset=0
var camfollow = 0
# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")

@onready var Raycast_Down= $RayCastDown

func _physics_process(delta):
    # Add the gravity.
    if not is_on_floor():
        velocity.y -= gravity * delta

    # Handle jump.

    jump()
    wall_slide(delta)

    # Get the input direction and handle the movement/deceleration.
    var input_dir = Input.get_vector("Walk_Left", "Walk_Right", "Move_Up", "Move_Down")
    var direction = (transform.basis * Vector3(input_dir.x, input_dir.y, 0)).normalized()
    if direction:
        velocity.x = direction.x * SPEED
        velocity.z = direction.z * SPEED
    else:
        velocity.x = move_toward(velocity.x, 0, SPEED)
        velocity.z = move_toward(velocity.z, 0, SPEED)

    move_and_slide()

    #Camera Offset
    if direction.x != 0 and position.x==0:
        camoffset=(direction.x/abs(direction.x)*(5))
        camfollow=0.012
    else:
        camoffset=0
        camfollow=0.03

    #Make Camera Follow the player
    #$CameraController.position = lerp($CameraController.position, position + Vector3((direction.x)*6,-(direction.y),0), camfollow)
    $CameraController.position.x = lerp($CameraController.position.x, position.x + camoffset, camfollow)
    $CameraController.position.y = lerp($CameraController.position.y, position.y - direction.y, 0.1)

func jump():
    if Input.is_action_just_pressed("ui_accept"):
        if  is_on_floor():
            velocity.y = JUMP_VELOCITY
        if is_on_wall() and Input.is_action_pressed("Walk_Right"):
                velocity.y = JUMP_VELOCITY
                velocity.x = JUMP_VELOCITY
        if is_on_wall() and Input.is_action_pressed("Walk_Left"):
            velocity.y = JUMP_VELOCITY
            velocity.x = -JUMP_VELOCITY

func wall_slide(delta):
    if is_on_wall_only():
        if (Input.is_action_pressed("Walk_Left") or Input.is_action_pressed("Walk_Right")):
            is_wall_sliding=true
        else:
            is_wall_sliding=false
    else:
        is_wall_sliding=false

    if is_wall_sliding:
        var _wall_slide_speed= -10*(delta)
        velocity.y += _wall_slide_speed
        velocity.y = min(velocity.y, -gravity * delta)
        print(velocity.y, "    ", _wall_slide_speed,"    ",-gravity * delta)

#Fix wall slide