Simple FryFlee Cam for Godot 3

freefly_godot3.gd

extends Camera

var yaw_pitch = Vector2(0,0)

func _process(delta):
	var speedmod =  35.0 if Input.is_action_pressed("move_sprint") else 18.0
	self.translate(Vector3(
		Input.get_axis("move_left","move_right"),
		Input.get_axis("equipCamera", "Interact"),
		Input.get_axis("move_forward","move_backward")
		) * delta * speedmod )
	self.transform.basis = Basis(
		Quat(Vector3(0.0, 1.0, 0.0), -yaw_pitch.x)
		*
		Quat(Vector3(1.0, 0.0, 0.0), -yaw_pitch.y)
		)

func _input(event):
	if event is InputEventMouseButton:
		var ev = event as InputEventMouseButton
		if ev.pressed:
			Input.set_mouse_mode(
				Input.MOUSE_MODE_CAPTURED 
				if Input.get_mouse_mode() != Input.MOUSE_MODE_CAPTURED #^
				else Input.MOUSE_MODE_VISIBLE
				)
	elif event is InputEventMouseMotion and Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED:
		var ev = event as InputEventMouseMotion
		yaw_pitch += ev.relative * 1.0 / TAU  * 0.01#* ev.speed