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sdl2rでDXRuby互換ぽいライブラリを作る(2)
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require 'sdl2r' | |
require_relative 'fpstimer' | |
SDL.init(SDL::INIT_EVERYTHING) | |
module DXRuby | |
module Window | |
@width = 640 | |
@height = 480 | |
@window = SDL.create_window("dxsdl2r Sample Application", | |
SDL::WINDOWPOS_UNDEFINED, | |
SDL::WINDOWPOS_UNDEFINED, | |
@width, | |
@height, | |
SDL::WINDOW_HIDDEN) | |
@renderer = SDL.create_renderer(@window, -1, 0) | |
def self.width;@width;end | |
def self.height;@height;end | |
def self._window;@window;end | |
def self._renderer;@renderer;end | |
def self.width=(v);@width=v;end | |
def self.height=(v);@height=v;end | |
@reservation = [] | |
def self.draw_box_fill(x1, y1, x2, y2, color, z=0) | |
tmp = DXRuby._convert_color_dxruby_to_sdl(color) | |
prc = ->{ | |
SDL.set_render_draw_color(@renderer, tmp[0], tmp[1], tmp[2], tmp[3]) | |
SDL.render_fill_rect(@renderer, SDL::Rect.new(x1, y1, x2 - x1 + 1, y2 - y1 + 1)) | |
} | |
@reservation << [z, prc] | |
end | |
def self.loop | |
timer = FPSTimer.instance | |
timer.reset | |
SDL.set_window_size(@window, @width, @height) | |
SDL.show_window(@window) | |
Kernel.loop do | |
timer.wait_frame do | |
return if Input.update | |
SDL.set_render_draw_color(@renderer, 0, 0, 0, 255) | |
SDL.render_clear(@renderer) | |
yield | |
@reservation.sort_by!{|v|v[0]}.each{|v|v[1].call} | |
@reservation.clear | |
SDL.render_present(@renderer) | |
end | |
end | |
end | |
def self.caption | |
SDL.get_window_title(@window) | |
end | |
def self.caption=(str) | |
SDL.set_window_title(@window, str) | |
str | |
end | |
end | |
module Input | |
@mouse_x = @mouse_y = 0 | |
def self.update | |
while event = SDL.poll_event do | |
case event.type | |
when SDL::QUIT | |
return true | |
when SDL::MOUSEMOTION | |
@mouse_x, @mouse_y = event.x, event.y | |
end | |
end | |
false | |
end | |
def self.mouse_x | |
@mouse_x | |
end | |
def self.mouse_y | |
@mouse_y | |
end | |
end | |
def self._convert_color_dxruby_to_sdl(color) | |
if color.size == 3 | |
color + [255] | |
else | |
color[1..3] << color[0] | |
end | |
end | |
end | |
include DXRuby | |
END{ | |
SDL.quit | |
} |
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