ruby 也能开发游戏

shijiang1130

https://github.com/belen-albeza/space-shooter
Running
=======

You'll need the gosu gem:
$ gem install gosu

Then run the main.rb file:
$ruby main.rb

shijiang1130

1. require 'singleton'
   
2. 
   
3. module Engine
   
4.   class Game < Gosu::Window
   
5.     include Singleton
   
6.    
   
7.     ScreenWidth = 550
   
8.     ScreenHeight = 600
   
9.     FadingTime = 1000
   
10. 
    
11.     # Constructor. Setups the video mode and creates a window (60 fps)
    
12.     def initialize      
    
13.       super(ScreenWidth, ScreenHeight, false)
    
14.       self.caption = "Space Shooter"
    
15.       @@sprite_collection = SpriteCollection.new
    
16.       @@images = Hash.new
    
17.       @@fonts = Hash.new      
    
18.       load_images
    
19.       load_fonts
    
20.       
    
21.       @@img_fade = @@images["black"]
    
22.       @@fading_off = false
    
23.       @@fading_on = false
    
24.       @@end_fade = 0
    
25.       @@start_fade = 0
    
26.       
    
27.       @@change_game_state = nil
    
28.       @@game_state = MenuState.new
    
29.     end
    
30. 
    
31.     # Returns a hash map with the images collection
    
32.     def Game.images
    
33.       @@images
    
34.     end
    
35.    
    
36.     # Returns a hash map with the fonts collection
    
37.     def Game.fonts
    
38.       @@fonts
    
39.     end
    
40.    
    
41.     # Returns a hash map with the sprite lists
    
42.     def Game.sprites
    
43.       @@sprite_collection.sprites
    
44.     end
    
45.    
    
46.     # Returns the sprite collection
    
47.     def Game.sprite_collection
    
48.       @@sprite_collection
    
49.     end
    
50.    
    
51.     # Returns the current game state
    
52.     def Game.game_state
    
53.       @@game_state
    
54.     end
    
55.    
    
56.     # Changes to another game state
    
57.     def Game.game_state=(st)
    
58.       @@change_game_state = st.new
    
59.       Game.fade_off(FadingTime)
    
60.     end
    
61.    
    
62.     # Quits game
    
63.     def Game.quit
    
64.       self.instance.close
    
65.     end
    
66.    
    
67.     # Starts a fade off transition
    
68.     def Game.fade_off(time)
    
69.       return if Game.fading?
    
70.       @@start_fade = Gosu::milliseconds
    
71.       @@end_fade = @@start_fade + time
    
72.       @@fading_off = true
    
73.     end
    
74.    
    
75.     # Starts a fade on transition
    
76.     def Game.fade_on(time)
    
77.       return if Game.fading?
    
78.       @@start_fade = Gosu::milliseconds
    
79.       @@end_fade = @@start_fade + time
    
80.       @@fading_on = true
    
81.     end
    
82.    
    
83.     # Returns whether there is a fade running or not
    
84.     def Game.fading?
    
85.       @@fading_off or @@fading_on
    
86.     end
    
87.    
    
88.     # Ends fade transitions
    
89.     def Game.end_fade!
    
90.       @@fading_off = false
    
91.       @@fading_on = false
    
92.     end
    
93. 
    
94.     # Updates the game logic. Gets called automatically by Gosu each frame
    
95.     def update
    
96.       @@game_state.update unless Game.fading?      
    
97.       
    
98.       # update fading
    
99.       Game.end_fade! if Gosu::milliseconds >= @@end_fade and Game.fading?
    
100.       
     
101.       #update changing between game states
     
102.       if @@change_game_state and not Game.fading?
     
103.         @@game_state = @@change_game_state
     
104.         @@change_game_state = nil
     
105.         Game.fade_on(FadingTime)
     
106.       end
     
107.     end
     
108. 
     
109.     # Draws the game entities on the screen. Gets called automatically by Gosu each frame
     
110.     def draw
     
111.       @@game_state.draw
     
112. 
     
113.       if Game.fading?
     
114.         delta = (Gosu::milliseconds - @@start_fade).to_f / (@@end_fade - @@start_fade)
     
115.         alpha = @@fading_off ? delta : 1 - delta
     
116.         @@img_fade.draw(0, 0, ZOrder::Fade, 1, 1, Gosu::Color.new((alpha * 0xff).to_i, 0xff, 0xff, 0xff))
     
117.       end
     
118.     end
     
119. 
     
120.     # Gets called automatically by Gosu when a button is released
     
121.     def button_up(id)
     
122.       @@game_state.button_up(id)
     
123.     end
     
124. 
     
125.     # Gets called automatically by Gosu when a button is pressed
     
126.     def button_down(id)
     
127.       @@game_state.button_down(id)
     
128.     end
     
129. 
     
130.     # Loads all the images and stores them into the images hash map
     
131.     def load_images
     
132.       @@images["black"] = Gosu::Image.new(self, "gfx/black.png", true)
     
133.       @@images["background"] = Gosu::Image.new(self, "gfx/background.png", true)
     
134.       @@images["captain"] = Gosu::Image.new(self, "gfx/captain.png", false)
     
135.       @@images["laser"] = Gosu::Image.new(self, "gfx/laser.png", false)
     
136.       @@images["alien"] = Gosu::Image.load_tiles(self, "gfx/alien.png", 48, 42, false)
     
137.       @@images["energy full"] = Gosu::Image.new(self, "gfx/energy_full.png", false)
     
138.       @@images["energy low"] = Gosu::Image.new(self, "gfx/energy_low.png", false)
     
139.       @@images["hud"] = Gosu::Image.new(self, "gfx/hud.png", false)
     
140.       @@images["boom"] = Gosu::Image.new(self, "gfx/boom.png", false)
     
141.       @@images["gameover"] = Gosu::Image.new(self, "gfx/game_over.png", false)
     
142.       @@images["logo"] = Gosu::Image.new(self, "gfx/game_logo.png", false)
     
143.       @@images["credits"] = Gosu::Image.new(self, "gfx/credits.png", false)
     
144.     end
     
145.    
     
146.     # Loads all fonts needed and stores them into the fonts hash map
     
147.     def load_fonts
     
148.       @@fonts["menu"] = Gosu::Font.new(self, "Courier", 40)
     
149.       @@fonts["score"] = Gosu::Font.new(self, "Courier", 50)
     
150.       @@fonts["small"] = Gosu::Font.new(self, "Courier", 30)
     
151.     end
     
152. 
     
153.   end
     
154. 
     
155. end

复制代码

pitonas

最深深深滴支持楼主！

shijiang1130

pitonas 发表于 2013-07-12 12:25
最深深深滴支持楼主！

老大，你是混哪个场的，到处都看到你

rubyish

支持楼主！

ddd010

这倒是个新鲜领域。。

laputa73

大名鼎鼎的RPGmaker系列都是用的RGSS引擎
ruby的方言

RHCE520

支持，赞一个！:wink:

RHCE520

回复 8# Sevk


    大侠，你在Ubuntu上装成功了没？