extends Camera2D

var zoom_speed=Vector2(.2,.2)
var scrolling=false;

# Called when the node enters the scene tree for the first time.
func _ready():
	pass # Replace with function body.

func _input(event):
	if event is InputEventMouseButton:
		if event.is_pressed():
			if event.button_index==MOUSE_BUTTON_WHEEL_UP:
				zoom+=zoom_speed
			if event.button_index==MOUSE_BUTTON_WHEEL_DOWN:
				zoom-=zoom_speed
			if event.button_index==MOUSE_BUTTON_MIDDLE:
				scrolling=true
		if event.is_released():
			if event.button_index==MOUSE_BUTTON_MIDDLE:
				scrolling=false
	if event is InputEventMouseMotion:
		if scrolling:
			offset-=event.velocity*0.1
				
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	if Input.is_action_pressed('move_up'):
		offset.y -= 1
	if Input.is_action_pressed('move_down'):
		offset.y += 1
	if Input.is_action_pressed('move_left'):
		offset.x -= 1
	if Input.is_action_pressed('move_right'):
		offset.x += 1
#	if Input.is_action_just_pressed('take'):
#		drop()