7ea3e8267a
-Made a few demos using Viewport to show it's true power! -Fixed some start-up error messages.
74 lines
2.0 KiB
GDScript
74 lines
2.0 KiB
GDScript
|
|
extends Node2D
|
|
|
|
# member variables here, example:
|
|
# var a=2
|
|
# var b="textvar"
|
|
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 positio and pad rectangles
|
|
var ball_pos = get_node("ball").get_pos()
|
|
var left_rect = Rect2( get_node("left").get_pos() - pad_size*0.5, pad_size )
|
|
var right_rect = Rect2( get_node("right").get_pos() - 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_pos(ball_pos)
|
|
|
|
#move left pad
|
|
var left_pos = get_node("left").get_pos()
|
|
|
|
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_pos(left_pos)
|
|
|
|
#move right pad
|
|
var right_pos = get_node("right").get_pos()
|
|
|
|
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_pos(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)
|
|
|