Function bloom_android_on_touch

native/android/src/lib.rs:271–294

(action: i32, x: f64, y: f64, pointer_index: i32)

/// Called by Perry's Android layer when a touch event occurs.
#[no_mangle]
pub extern "C" fn bloom_android_on_touch(action: i32, x: f64, y: f64, pointer_index: i32) {
    unsafe {
        if let Some(eng) = ENGINE.get_mut() {
            let sw = eng.screen_width();
            let sh = eng.screen_height();
            let lx = x * 0.5;
            let ly = y * 0.5;
            let msg = std::ffi::CString::new(format!("touch a={} raw=({},{}) scaled=({},{}) sw={} sh={}", action, x, y, lx, ly, sw, sh)).unwrap();
            __android_log_print(3, b"BloomTouch\0".as_ptr(), b"%s\0".as_ptr(), msg.as_ptr());
            eng.input.set_mouse_position(lx, ly);
            if action == 1 || action == 3 {
                eng.input.release_touch(pointer_index as usize, lx, ly); // UP / CANCEL
            } else {
                eng.input.set_touch(pointer_index as usize, lx, ly, true); // DOWN / MOVE
            }
            match action {
                0 => eng.input.set_mouse_button_down(0),  // ACTION_DOWN
                1 => eng.input.set_mouse_button_up(0),    // ACTION_UP
                2 => {}                                      // ACTION_MOVE
                _ => {}
            }
        }
    }
}

#[no_mangle]
pub extern "C" fn bloom_begin_drawing() {