Game 2D

extends Node2D

var screen_size
var pad_size


var ballspeed = 80
var ball_direction = Vector2(-1,0)
var PAD_SPEED = 150


func _ready():


    screen_size = get_viewport_rect().size
    pad_size = get_node("left").get_texture().get_size()
    set_process(true)



func _process(delta):
    var ball_pos = get_node("ball").get_pos()
    var left_rect = Rect2( get_node("left").get_pos() - pad_size/2, pad_size )
    var right_rect = Rect2( get_node("right").get_pos() - pad_size/2, pad_size )

    ball_pos += ball_direction*ballspeed*delta

    if ( (ball_pos.y < 0 and ball_direction.y < 0) or (ball_pos.y > screen_size.y and ball_direction.y > 0)  ):
        ball_direction.y = - ball_direction.y

    if ( (left_rect.has_point(ball_pos) and ball_direction.x < 0) or (right_rect.has_point(ball_pos) and ball_direction.x > 0)):
        ball_direction.x=-ball_direction.x
        ballspeed*=1.1
        ball_direction.y=randf()*2.0-1
        ball_direction = ball_direction.normalized()

    if (ball_pos.x < 0 or ball_pos.x > screen_size.x):
        ball_pos = screen_size/2
        ballspeed = 80
        ball_direction=Vector2(-1,0)

    get_node("ball").set_pos(ball_pos)