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extern crate ctru;
use ctru::gfx::Gfx;
use ctru::console::Console;
use ctru::services::apt::Apt;
use ctru::services::hid::{Hid, KeyPad};
fn main() {
// Setup services
let apt = Apt::init().unwrap();
let hid = Hid::init().unwrap();
let gfx = Gfx::default();
let console = Console::default();
println!("Hi there! Try pressing a button");
println!("\x1b[29;16HPress Start to exit");
// This struct will contain the keys that we held on the previous frame
let mut old_keys = KeyPad::empty();
while apt.main_loop() {
// Scan for user input on the current frame.
hid.scan_input();
// Get information about which keys were held down on this frame
let keys = hid.keys_held();
// We only want to print when the keys we're holding now are different
// from what they were on the previous frame
if keys != old_keys {
// Clear the screen
console.clear();
// We print these again because we just cleared the screen above
println!("Hi there! Try pressing a button");
println!("\x1b[29;16HPress Start to exit");
// Move the cursor back to the top of the screen
println!("\x1b[3;0H");
// Print to the screen depending on which keys were held.
//
// The .contains() method checks for all of the provided keys,
// and the .intersects() method checks for any of the provided keys.
//
// You can also use the .bits() method to do direct comparisons on
// the underlying bits
if keys.contains(KeyPad::KEY_A) {
println!("You held A!");
}
if keys.bits() & KeyPad::KEY_B.bits() != 0 {
println!("You held B!");
}
if keys.contains(KeyPad::KEY_X | KeyPad::KEY_Y) {
println!("You held X and Y!");
}
if keys.intersects(KeyPad::KEY_L | KeyPad::KEY_R | KeyPad::KEY_ZL | KeyPad::KEY_ZR) {
println!("You held a shoulder button!");
}
if keys.intersects(KeyPad::KEY_START) {
println!("See ya!");
break
}
}
// Save our current key presses for the next frame
old_keys = keys;
// Flush and swap framebuffers
gfx.flush_buffers();
gfx.swap_buffers();
gfx.wait_for_vblank();
}
}
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