Platform #4 - Last tutorial starting code

extends KinematicBody2D

var input_direction = 0
var direction = 1

var speed = Vector2()
var velocity = Vector2()

const MAX_SPEED = 600
const ACCELERATION = 1200
const DECELERATION = 2000

const JUMP_FORCE = 700
const GRAVITY = 2000


func _ready():
    set_process(true)
    set_process_input(true)


func _input(event):
    if jump_count < MAX_JUMP_COUNT and event.is_action_pressed("jump"):
        speed.y = -JUMP_FORCE
        jump_count += 1


func _process(delta):
    if input_direction:
        direction = input_direction

    if Input.is_action_pressed("move_left"):
        input_direction = -1
    elif Input.is_action_pressed("move_right"):
        input_direction = 1
    else:
        input_direction = 0

    if input_direction == - direction:
        speed.x /= 3
    if input_direction:
        speed.x += ACCELERATION * delta
    else:
        speed.x -= DECELERATION * delta
    speed.x = clamp(speed.x, 0, MAX_SPEED)

    speed.y += GRAVITY * delta

    velocity = Vector2(speed.x * delta * direction, speed.y * delta)
    var movement_remainder = move(velocity)

    if is_colliding():
        var normal = get_collision_normal()
        var final_movement = normal.slide(movement_remainder)
        speed = normal.slide(speed)
        move(final_movement)