extends CharacterBody2D

@onready var _sprite = $AnimatedSprite2D

const GRAVITY: Vector2 = Vector2(0, 9.8)
const MAX_SPEED: int = 500
const IMPULSE: int = 80
const JUMP: int = -400 #TODO: proper jump arch

func _ready():
	_sprite.play("idle", 1)

#physics and controls
func _physics_process(_delta) -> void:
	#falling or jumping
	if is_on_floor() and Input.is_action_just_pressed("input_jump"):
		velocity.y = JUMP
	
	velocity += GRAVITY
	
	var direction = Input.get_axis("input_left", "input_right")
	if direction:
		velocity.x += IMPULSE * direction
		if abs(velocity.x) > MAX_SPEED:
			velocity.x = MAX_SPEED * sign(velocity.x)
	elif velocity.x != 0:
		velocity.x = log(abs(velocity.x)) * sign(velocity.x)
	
	move_and_slide()

#animation stuff
func _on_animation_finished() -> void:
	if randf() < 0.2:
		_sprite.play("idle_glance", 2)
	else:
		_sprite.play("idle", 2)