Struct game_loop::GameLoop

pub struct GameLoop<G, T: TimeTrait, W> {
    pub game: G,
    pub updates_per_second: u32,
    pub max_frame_time: f64,
    pub exit_next_iteration: bool,
    pub window: W,
    /* private fields */
}

Fields

game: G

updates_per_second: u32

max_frame_time: f64

exit_next_iteration: bool

window: W

Implementations

impl<G, T: TimeTrait, W> GameLoop<G, T, W>

pub fn new(
    game: G,
    updates_per_second: u32,
    max_frame_time: f64,
    window: W
) -> Self

pub fn next_frame<U, R>(&mut self, update: U, render: R) -> boolwhere
    U: FnMut(&mut GameLoop<G, T, W>),
    R: FnMut(&mut GameLoop<G, T, W>),

pub fn re_accumulate(&mut self)

pub fn exit(&mut self)

Examples found in repository

examples/game_of_life.rs (line 21)

fn main() {
    let mut game = GameOfLife::new(12, 12);

    // Make some of the cells alive.
    game.set(5, 5);
    game.set(5, 6);
    game.set(5, 7);
    game.set(6, 6);

    // Run the game loop with 2 updates per second.
    let g = game_loop(game, 2, 1.0, |g| {
        g.game.update();
    }, |g| {
        // Pass the blending factor (even though this example doesn't use it).
        g.game.render(g.blending_factor());

        // Exit after 10 seconds.
        if g.running_time() > 10.0 {
            g.exit();
        }
    });

    // Use the 'g' variable to query the game loop after it finishes.
    println!("Exiting after {} seconds", g.running_time());
    println!("");
    println!("Last frame time: {}", g.last_frame_time());
    println!("Number of updates: {}", g.number_of_updates());
    println!("Number of renders: {}", g.number_of_renders());
}

pub fn set_updates_per_second(&mut self, new_updates_per_second: u32)

pub fn fixed_time_step(&self) -> f64

pub fn number_of_updates(&self) -> u32

Examples found in repository

examples/game_of_life.rs (line 29)

fn main() {
    let mut game = GameOfLife::new(12, 12);

    // Make some of the cells alive.
    game.set(5, 5);
    game.set(5, 6);
    game.set(5, 7);
    game.set(6, 6);

    // Run the game loop with 2 updates per second.
    let g = game_loop(game, 2, 1.0, |g| {
        g.game.update();
    }, |g| {
        // Pass the blending factor (even though this example doesn't use it).
        g.game.render(g.blending_factor());

        // Exit after 10 seconds.
        if g.running_time() > 10.0 {
            g.exit();
        }
    });

    // Use the 'g' variable to query the game loop after it finishes.
    println!("Exiting after {} seconds", g.running_time());
    println!("");
    println!("Last frame time: {}", g.last_frame_time());
    println!("Number of updates: {}", g.number_of_updates());
    println!("Number of renders: {}", g.number_of_renders());
}

pub fn number_of_renders(&self) -> u32

Examples found in repository

examples/game_of_life.rs (line 30)

fn main() {
    let mut game = GameOfLife::new(12, 12);

    // Make some of the cells alive.
    game.set(5, 5);
    game.set(5, 6);
    game.set(5, 7);
    game.set(6, 6);

    // Run the game loop with 2 updates per second.
    let g = game_loop(game, 2, 1.0, |g| {
        g.game.update();
    }, |g| {
        // Pass the blending factor (even though this example doesn't use it).
        g.game.render(g.blending_factor());

        // Exit after 10 seconds.
        if g.running_time() > 10.0 {
            g.exit();
        }
    });

    // Use the 'g' variable to query the game loop after it finishes.
    println!("Exiting after {} seconds", g.running_time());
    println!("");
    println!("Last frame time: {}", g.last_frame_time());
    println!("Number of updates: {}", g.number_of_updates());
    println!("Number of renders: {}", g.number_of_renders());
}

pub fn last_frame_time(&self) -> f64

Examples found in repository

examples/game_of_life.rs (line 28)

fn main() {
    let mut game = GameOfLife::new(12, 12);

    // Make some of the cells alive.
    game.set(5, 5);
    game.set(5, 6);
    game.set(5, 7);
    game.set(6, 6);

    // Run the game loop with 2 updates per second.
    let g = game_loop(game, 2, 1.0, |g| {
        g.game.update();
    }, |g| {
        // Pass the blending factor (even though this example doesn't use it).
        g.game.render(g.blending_factor());

        // Exit after 10 seconds.
        if g.running_time() > 10.0 {
            g.exit();
        }
    });

    // Use the 'g' variable to query the game loop after it finishes.
    println!("Exiting after {} seconds", g.running_time());
    println!("");
    println!("Last frame time: {}", g.last_frame_time());
    println!("Number of updates: {}", g.number_of_updates());
    println!("Number of renders: {}", g.number_of_renders());
}

pub fn running_time(&self) -> f64

Examples found in repository

examples/game_of_life.rs (line 20)

fn main() {
    let mut game = GameOfLife::new(12, 12);

    // Make some of the cells alive.
    game.set(5, 5);
    game.set(5, 6);
    game.set(5, 7);
    game.set(6, 6);

    // Run the game loop with 2 updates per second.
    let g = game_loop(game, 2, 1.0, |g| {
        g.game.update();
    }, |g| {
        // Pass the blending factor (even though this example doesn't use it).
        g.game.render(g.blending_factor());

        // Exit after 10 seconds.
        if g.running_time() > 10.0 {
            g.exit();
        }
    });

    // Use the 'g' variable to query the game loop after it finishes.
    println!("Exiting after {} seconds", g.running_time());
    println!("");
    println!("Last frame time: {}", g.last_frame_time());
    println!("Number of updates: {}", g.number_of_updates());
    println!("Number of renders: {}", g.number_of_renders());
}

pub fn accumulated_time(&self) -> f64

pub fn blending_factor(&self) -> f64

Examples found in repository

examples/game_of_life.rs (line 17)

fn main() {
    let mut game = GameOfLife::new(12, 12);

    // Make some of the cells alive.
    game.set(5, 5);
    game.set(5, 6);
    game.set(5, 7);
    game.set(6, 6);

    // Run the game loop with 2 updates per second.
    let g = game_loop(game, 2, 1.0, |g| {
        g.game.update();
    }, |g| {
        // Pass the blending factor (even though this example doesn't use it).
        g.game.render(g.blending_factor());

        // Exit after 10 seconds.
        if g.running_time() > 10.0 {
            g.exit();
        }
    });

    // Use the 'g' variable to query the game loop after it finishes.
    println!("Exiting after {} seconds", g.running_time());
    println!("");
    println!("Last frame time: {}", g.last_frame_time());
    println!("Number of updates: {}", g.number_of_updates());
    println!("Number of renders: {}", g.number_of_renders());
}

pub fn previous_instant(&self) -> T

pub fn current_instant(&self) -> T