66 lines
2.0 KiB
GDScript
66 lines
2.0 KiB
GDScript
|
|
extends Node2D
|
|
|
|
# Member variables
|
|
const INITIAL_BALL_SPEED = 80
|
|
var ball_speed = INITIAL_BALL_SPEED
|
|
var screen_size = Vector2(640, 400)
|
|
# Default ball direction
|
|
var direction = Vector2(-1, 0)
|
|
var pad_size = Vector2(8, 32)
|
|
const PAD_SPEED = 150
|
|
|
|
|
|
func _process(delta):
|
|
# Get ball position and pad rectangles
|
|
var ball_pos = get_node("ball").get_position()
|
|
var left_rect = Rect2(get_node("left").get_position() - pad_size * 0.5, pad_size)
|
|
var right_rect = Rect2(get_node("right").get_position() - pad_size * 0.5, pad_size)
|
|
|
|
# Integrate new ball postion
|
|
ball_pos += direction * ball_speed * delta
|
|
|
|
# Flip when touching roof or floor
|
|
if (ball_pos.y < 0 and direction.y < 0) or (ball_pos.y > screen_size.y and direction.y > 0):
|
|
direction.y = -direction.y
|
|
|
|
# Flip, change direction and increase speed when touching pads
|
|
if (left_rect.has_point(ball_pos) and direction.x < 0) or (right_rect.has_point(ball_pos) and direction.x > 0):
|
|
direction.x = -direction.x
|
|
ball_speed *= 1.1
|
|
direction.y = randf() * 2.0 - 1
|
|
direction = direction.normalized()
|
|
|
|
# Check gameover
|
|
if ball_pos.x < 0 or ball_pos.x > screen_size.x:
|
|
ball_pos = screen_size * 0.5
|
|
ball_speed = INITIAL_BALL_SPEED
|
|
direction = Vector2(-1, 0)
|
|
|
|
get_node("ball").set_position(ball_pos)
|
|
|
|
# Move left pad
|
|
var left_pos = get_node("left").get_position()
|
|
|
|
if left_pos.y > 0 and Input.is_action_pressed("left_move_up"):
|
|
left_pos.y += -PAD_SPEED * delta
|
|
if left_pos.y < screen_size.y and Input.is_action_pressed("left_move_down"):
|
|
left_pos.y += PAD_SPEED * delta
|
|
|
|
get_node("left").set_position(left_pos)
|
|
|
|
# Move right pad
|
|
var right_pos = get_node("right").get_position()
|
|
if right_pos.y > 0 and Input.is_action_pressed("right_move_up"):
|
|
right_pos.y += -PAD_SPEED * delta
|
|
if right_pos.y < screen_size.y and Input.is_action_pressed("right_move_down"):
|
|
right_pos.y += PAD_SPEED * delta
|
|
|
|
get_node("right").set_position(right_pos)
|
|
|
|
|
|
func _ready():
|
|
screen_size = get_viewport_rect().size # Get actual size
|
|
pad_size = get_node("left").get_texture().get_size()
|
|
set_process(true)
|