こんにちは、ルビーとルビーゲームでクローンポンプログラムを構築しています。現時点での私の主な問題は、左側の衝突です。衝突は後方に起こります。右は完全に正常に機能します。私は助けが必要です。誰でもこれを修正できますか？私のコードはこちら
require 'rubygems'
require 'rubygame'
Rubygame::TTF.setup
class Game
def initialize
@screen = Rubygame::Screen.new [640,480], 0,
[Rubygame::HWSURFACE, Rubygame::DOUBLEBUF]
@screen.title = "Pong"
@queue = Rubygame::EventQueue.new
@clock = Rubygame::Clock.new
@clock.target_framerate = 60
limit = @screen.height - 10
@player = Paddle.new 50, 10, Rubygame::K_W, Rubygame::K_S, 10, limit
@enemy = Paddle.new @screen.width-50-@player.width, 10,
Rubygame::K_UP, Rubygame::K_DOWN, 10, limit
@player.center_y @screen.height
@enemy.center_y @screen.height
@ball = Ball.new @screen.width/2, @screen.height/2
@background = Background.new @screen.width, @screen.height
end
def run!
loop do
update
draw
@clock.tick
end
end
def update
@player.update
@enemy.update
@ball.update @screen
@queue.each do |ev|
@player.handle_event ev
@enemy.handle_event ev
case ev
when Rubygame::QuitEvent
Rubygame.quit
exit
when Rubygame::KeyDownEvent
if ev.key==Rubygame::K_ESCAPE
@queue.push Rubygame::QuitEvent.new
end
end
end
if collision? @ball, @player
@ball.collision @player, @ball
elsif collision? @ball, @enemy
@ball.collision @enemy, @ball
end
end
def draw
@screen.fill [0,0,0]
@background.draw @screen
@player.draw @screen
@enemy.draw @screen
@ball.draw @screen
@screen.flip
end
def collision? obj1, obj2
if obj1.y + obj1.height < obj2.y ; return false ; end
if obj1.y > obj2.y + obj2.height ; return false ; end
if obj1.x + obj1.width < obj2.x ; return false ; end
if obj1.x > obj2.x + obj2.width ; return false ; end
return true
end
end
class GameObject
attr_accessor :x, :y, :width, :height, :surface
def initialize x, y, surface
@x = x
@y = y
@surface = surface
@width = surface.width
@height = surface.height
end
def update
end
def draw screen
@surface.blit screen, [@x, @y]
end
def handle_event event
end
end
class Paddle < GameObject
def initialize x,y,up_key,down_key,top_limit,bottom_limit
surface = Rubygame::Surface.new [20, 100]
surface.fill [255, 255, 255]
@up_key = up_key
@down_key = down_key
@moving_up = false
@moving_down = false
@top_limit = top_limit
@bottom_limit = bottom_limit
super x, y, surface
end
def center_y h
@y = h/2-@height/2
end
def handle_event event
case event
when Rubygame::KeyDownEvent
if event.key==@up_key
@moving_up = true
elsif event.key==@down_key
@moving_down = true
end
when Rubygame::KeyUpEvent
if event.key==@up_key
@moving_up = false
elsif event.key==@down_key
@moving_down = false
end
end
end
def update
if @moving_up and @y > @top_limit
@y -= 5
end
if @moving_down and @y+@height < @bottom_limit
@y += 5
end
end
end
class Background < GameObject
def initialize width, height
surface = Rubygame::Surface.new [width, height]
# Draw Background
white = [255, 255, 255]
#Top
surface.draw_box_s [0, 0], [surface.width, 10], white
#Left
surface.draw_box_s [0, 0], [10, surface.height], white
#Bottom
surface.draw_box_s [0, surface.height-10, 10],
[surface.width, surface.height], white
#Right
surface.draw_box_s [surface.width-10, 0],
[surface.width, surface.height], white
#Middle Divide
surface.draw_box_s [surface.width/2-5, 0],
[surface.width/2+5, surface.height], white
super 0, 0, surface
end
end
class Ball < GameObject
def initialize x, y
surface = Rubygame::Surface.load('Ball.png')
@vx = @vy = 5
super x, y, surface
end
def update screen
@x += @vx
@y += @vy
if @x <= 10 or @x+@width >= screen.width-10
@vx *= -1
end
if @y <= 10 or @y+@height >= screen.height-10
@vy *= -1
end
end
def collision paddle, screen
if paddle.x < screen.width/2
unless @x < paddle.x-5
@x = paddle.x+paddle.width+1
@vx *= -1
end
else
unless @x > paddle.x+5
@x = paddle.x-@width-1
@vx *= -1
end
end
end
end
class Text < GameObject
def initialize x=0, y=0, text="Hello, World!", size=40
@font = Rubygame::TTF.new "font.ttf", size
@text = textssssw
super x, y, @font.render(@text, true, [255,255,255])
end
end
g = Game.new
g.run! `