extends Camera2D

var velocity = Vector2(0, 0)
var mouse_down_pos = Vector2.ZERO

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


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	var dir = Vector2(0,0)
	
	if Input.is_key_pressed(KEY_W):
		dir.y -= 1
	if Input.is_key_pressed(KEY_S):
		dir.y += 1
	if Input.is_key_pressed(KEY_A):
		dir.x -= 1
	if Input.is_key_pressed(KEY_D):
		dir.x += 1
		
	position += dir * delta * 100
	
	
func _input(event):
	if event is InputEventMouseButton:
		if event.button_index == 1:
			if event.pressed:
				mouse_down_pos = event.position
			else:
				var move = mouse_down_pos - event.position
				position += move
		
		var zoomf = 0
		var nzoom = 0
		if event.button_index == 4:
			zoomf += 0.1
			
		if event.button_index == 5:
			zoomf -= 0.1
		
		nzoom = zoom + Vector2(zoomf, zoomf)
		if nzoom.length() != 0 and zoomf != 0:
			zoom = nzoom
		
				
			
		# print( event.button_index)