extends CharacterBody2D

var targetPos = Vector2(0,0);
var elapsed = 0.0;
var follow_speed = 1;
var threshold = 0.0001;
var direction = 0.0;
var vel = Vector2(0,0);

func _input(event):
	if event.is_action_pressed("ui_mouse_left"):
		# save target position at mouse click.
		targetPos = get_global_mouse_position();

# physics process runs at every physic frames, in delta time, which is constant.
func _physics_process(delta):
	if Input.is_action_pressed("ui_mouse_left"):
		# using normalized to change direction, to point to target position
		direction = (targetPos - position).normalized();
		# characterBody2D is equipped with a velocity parameter, which when changed
		# can put some movement into character 
		velocity = direction * 200;
	# for the actual character to implement a change in position (aka movement), 
	# we have to call the move_and_slide function, which also handles collisions.
	move_and_slide();