Contents

require 'gosu'

IM1 = "/home/trader/Pictures/Screenshot-inf-walle.mkv-19.png"

class GameTestWindow < Gosu::Window
  def initialize
    super(640, 480, false)
    self.caption = "Gosu Tutorial Game"
    
    @background_image = Gosu::Image.new(self, IM1, true)
  end
  
  def update
  end
  
  def draw
    puts "draw called"
    @background_image.draw(0, 0, 0)
  end
end


class Player
  def initialize(window)
    @image = Gosu::Image.new(window, IM1, false)
    @x = @y = @vel_x = @vel_y = @angle = 0.0
    @score = 0
  end

  def warp(x, y)
    @x, @y = x, y
  end
  
  def turn_left
    @angle -= 4.5
  end
  
  def turn_right
    @angle += 4.5
  end
  
  def accelerate
    @vel_x += Gosu::offset_x(@angle, 0.5)
    @vel_y += Gosu::offset_y(@angle, 0.5)
  end
  
  def move
    @x += @vel_x
    @y += @vel_y
    @x %= 640
    @y %= 480
    
    @vel_x *= 0.95
    @vel_y *= 0.95
  end

  def draw
    @image.draw_rot(@x, @y, 1, @angle)
  end
end

class GameWindow < Gosu::Window
  def initialize
    super(640, 480, false)
    self.caption = "Gosu Tutorial Game"

    @background_image = Gosu::Image.new(self, IM1, true)

    @player = Player.new(self)
    @player.warp(320, 240)
  end

  def update
    if button_down? Gosu::KbLeft or button_down? Gosu::GpLeft then
      @player.turn_left
    end
    if button_down? Gosu::KbRight or button_down? Gosu::GpRight then
      @player.turn_right
    end
    if button_down? Gosu::KbUp or button_down? Gosu::GpButton0 then
      @player.accelerate
    end
    @player.move
  end

  def draw
    @player.draw
    @background_image.draw(0, 0, 0);
  end

  def button_down(id)
    if id == Gosu::KbEscape
      close
    end
  end
end

gw = GameWindow.new
gw.show

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rubyneat-0.3.5.alpha.3	foo/foo_gosu.rb
rubyneat-0.3.5.alpha.2	foo/foo_gosu.rb