extends Spatial

const ROT_MOD = 10 


var _viewRot = false
var _prev_mouse_pos


# 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)
	
	
func _physics_process(delta):
	if _viewRot:
		var mouse_pos = get_viewport().get_mouse_position()
		
		var x_dif = mouse_pos.x - _prev_mouse_pos.x
		var y_dif = mouse_pos.y - _prev_mouse_pos.y
		
		print (x_dif)
		print (y_dif)
		
		rotate_x(x_dif * ROT_MOD * delta * PI/180 - global_transform.basis.get_euler().y)
		rotate_y(y_dif * ROT_MOD * delta * PI/180 - global_transform.basis.get_euler().y)
		
		_prev_mouse_pos = mouse_pos
		
		# 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