extends Spatial

const ROT_MOD = 500 
const ROT_DECLINE = 0.1

var _viewRot = false
var _prev_mouse_pos

var _velx = 0
var _vely = 0

var _torso : RigidBody

# Called when the node enters the scene tree for the first time.
func _ready():
	PhysicsServer.area_set_param(get_viewport().find_world().get_space(), PhysicsServer.AREA_PARAM_GRAVITY, 0)
	_torso = get_node("Torso")
	
func _process(delta):
	if _viewRot:
		var mouse_pos = get_viewport().get_mouse_position()
		
		_velx = (mouse_pos.x - _prev_mouse_pos.x) * delta
		_vely = (mouse_pos.y - _prev_mouse_pos.y) * delta
		
		_prev_mouse_pos = mouse_pos
	
	if not(_velx < 0.001 and _velx > -0.001) or not(_vely < 0.001 and _vely > -0.001) or _viewRot:
		_torso.rotate_x(_vely * ROT_MOD * delta * PI/180 - global_transform.basis.get_euler().x)
		_torso.rotate_y(_velx * ROT_MOD * delta * PI/180 - global_transform.basis.get_euler().y)
		
		var decline = (1 - ROT_DECLINE * (delta*100))
		
		if decline > 1:
			decline = 1
		elif decline < 0:
			decline = 0
		
		_velx *= decline
		_vely *= decline
	
	

func _physics_process(delta):
	pass
		# Get the camera
		#var camera = get_node("GUI/HBoxC/ViewportContainer/Viewport/Camera")
		
		#var mouse_pos = get_viewport().get_mouse_position()
		
		# Project mouse into a 3D ray
		#var ray_origin = camera.project_ray_origin(mouse_pos)
		#var ray_direction = camera.project_ray_normal(mouse_pos)

		# Cast a ray
		#var from = ray_origin
		#var to = ray_origin + ray_direction * 1000.0
		#var space_state = get_world().get_direct_space_state()
		#var hit = space_state.intersect_ray(from, to)
		
		#print("test")
		
		#if hit.size() != 0:
			# collider will be the node you hit
			#print(hit.collider)
			#pass

func _input(event):
	if event is InputEventMouseButton:
		if event.pressed:
			print("Mouse Click at: ", event.position)
			_prev_mouse_pos = event.position
			_viewRot = true
		else: 
			print("mouse unpressed at: ", event.position)
			_viewRot = false