Method is_mouse_down

perro_source/api_modules/perro_input_api/src/snapshot.rs:426–428

(&self, button: MouseButton)

        y: f32,
        extra: f32,
        distance: f32,
    ) {
        let state = self.joycon_mut(index);
        state.set_mouse_sensor(x, y, extra, distance);
    }