extends Spatial

export var camera_dist = 50
export var angle_speed = 15
var ang = Vector3()

func _ready():
	ang = $Camera.rotation_degrees

func _process(delta):
	ang.y += angle_speed * delta
	set_camera_angle(ang)

func _input(event):
	if event is InputEventMouseMotion:
		ang.y -= (event.relative.x * 360 / 1280)
		ang.x -= (event.relative.y * 180 / 720)
		set_camera_angle(ang)
		
func set_camera_angle(angle):
	var pos = Vector3()
	var d = abs(camera_dist * cos(deg2rad(angle.x)))
	pos.y = camera_dist * sin(deg2rad(-angle.x))
	pos.z = d * cos(deg2rad(angle.y))
	pos.x = d * sin(deg2rad(angle.y))
	$Camera.rotation_degrees = angle
	$Camera.translation = pos