extends Camera


# Depression
var downForceStrength = 0

#Mania
export var max_offset = 0.3  # Maximum hor/ver shake in pixels.
export var max_roll = 0.1  # Maximum rotation in radians (use sparingly).

var trauma = 0.0  # Current shake strength.
var trauma_power = 2  # Trauma exponent. Use [2, 3].

var downForce = false;

onready var noise = OpenSimplexNoise.new()
var noise_y = 0

var pivot

# Called when the node enters the scene tree for the first time.
func _ready():
	randomize()
	noise.seed = randi()
	noise.period = 4
	noise.octaves = 2
	pivot = get_parent();


func changeShaking(setTrauma):
	trauma = setTrauma
	
func changeDownForce(force):
	downForceStrength = force
	
	
func _process(_delta):
	if trauma:
		shake()
		
	if downForceStrength<0:
		if(pivot.rotation.x > -1.4):
			pivot.rotate_x(downForceStrength)
		


func shake():
	var amount = pow(trauma, trauma_power)
	noise_y += 1
	# Using noise
	v_offset = max_offset * amount * noise.get_noise_2d(noise.seed*3, noise_y)
	h_offset = max_offset * amount * noise.get_noise_2d(noise.seed*2, noise_y)
	
func reset():
	trauma = 0
	downForce=false
	downForceStrength = 0;