Hello World! can be printed using the puts method in Gosu. Here’s how you can do it:
“`ruby
require 'gosu'
class MyWindow < Gosu::Window
def initialize
super(640, 480)
self.caption = "Hello World!"
end
def update
end
def draw
end
def button_down(id)
if id == Gosu::KbEscape
close
end
end
end
MyWindow.new do |window|
window.puts "Hello World!"
end
“` This code creates a new instance of the MyWindow class, which inherits from Gosu::Window. It then initializes the window and sets its caption to “Hello World!”. The update method is left empty, but you can add any logic or event handling there if needed. In the draw method, we leave it empty as well.
In the button_down method, we check if the escape key was pressed and close the window if so. Finally, we create a new instance of MyWindow and call the puts method inside the block to print “Hello World!” on the console. When you run this code, you’ll see “Hello World!” printed in the console. Note that Gosu is primarily used for creating graphical applications like games, but it can also be used to print simple text as shown here.
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