simple gravity

extends Node2D

var y = 0
var speed = 0
var gravity = .01


func _ready():
    set_process(true)
    pass

func _process(delta):
	y = y + speed
	speed = speed + gravity
	get_node("ship").set_pos(Vector2(150,y))
	print(y)
	if y > 400:
		speed = speed *  - .95