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use crate::{ffi::system as ffi, sf_box::Dispose, system::Time, SfBox};
pub use ffi::sfClock as Clock;
impl Dispose for Clock {
unsafe fn dispose(&mut self) {
ffi::sfClock_delete(self);
}
}
impl Clock {
/// Creates a new Clock and starts it automatically.
#[must_use]
pub fn start() -> SfBox<Self> {
unsafe { SfBox::new(ffi::sfClock_new()).unwrap() }
}
/// Gets the elapsed time.
///
/// This function returns the time elapsed since the last call to [`restart`]
/// (or the construction of the instance if [`restart`] has not been called).
///
/// [`restart`]: Clock::restart
#[must_use]
pub fn elapsed_time(&self) -> Time {
unsafe { Time::from_raw(ffi::sfClock_getElapsedTime(self)) }
}
/// Restarts the clock.
///
/// This function puts the time counter back to zero.
/// It also returns the time elapsed since the clock was started.
pub fn restart(&mut self) -> Time {
unsafe { Time::from_raw(ffi::sfClock_restart(self)) }
}
}
impl Default for SfBox<Clock> {
/// Equivalent to `Clock::start()`.
fn default() -> Self {
Clock::start()
}
}