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Starfield: Modify speed by command argument

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This change allows us to change the speed variable by passing a
-s or --speed argument.
This commit is contained in:
Pedro Pereira 2021-11-21 10:40:03 +00:00 • committed by Linus Groh
parent 6ac97d4397
commit 7b923d1376
1 changed files with 7 additions and 8 deletions
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15
Userland/Demos/Starfield/Starfield.cpp
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@ -34,6 +34,8 @@ public:
virtual ~Starfield() override;
void create_stars(int, int, int);
void set_speed(unsigned speed) { m_speed = speed; }
private:
Starfield(int);
RefPtr<Gfx::Bitmap> m_bitmap;
@ -142,21 +144,17 @@ int main(int argc, char** argv)
return 1;
}
int star_count = 0;
int refresh_rate = 0;
unsigned star_count = 1000;
unsigned refresh_rate = 16;
unsigned speed = 1;
Core::ArgsParser args_parser;
args_parser.set_general_help("The classic starfield screensaver.");
args_parser.add_option(star_count, "Number of stars to draw (default = 1000)", "stars", 'c', "number");
args_parser.add_option(refresh_rate, "Refresh rate (default = 16)", "rate", 'r', "milliseconds");
args_parser.add_option(speed, "Speed (default = 1)", "speed", 's', "number");
args_parser.parse(argc, argv);
if (star_count == 0)
star_count = 1000;
if (refresh_rate == 0)
refresh_rate = 16;
auto app = GUI::Application::construct(argc, argv);
if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
@ -182,6 +180,7 @@ int main(int argc, char** argv)
window->show();
starfield_window.create_stars(window->width(), window->height(), star_count);
starfield_window.set_speed(speed);
starfield_window.update();
window->move_to_front();