Function macroquad::texture::draw_texture

source · 
pub fn draw_texture(texture: &Texture2D, x: f32, y: f32, color: Color)
Examples found in repository?
examples/texture.rs (line 9)
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async fn main() {
    let texture: Texture2D = load_texture("examples/ferris.png").await.unwrap();

    loop {
        clear_background(LIGHTGRAY);
        draw_texture(&texture, 0., 0., WHITE);
        next_frame().await
    }
}
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examples/rustaceanmark.rs (lines 50-55)
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async fn main() {
    let mut rustaceanes: Vec<Rustaceane> = Vec::new();
    let rustacean_tex = load_texture("examples/rustacean_happy.png").await.unwrap();
    rustacean_tex.set_filter(FilterMode::Nearest);

    loop {
        clear_background(Color::default());

        if macroquad::input::is_mouse_button_down(MouseButton::Left) {
            for _i in 0..100 {
                rustaceanes.push(Rustaceane {
                    pos: Vec2::from(macroquad::input::mouse_position()),
                    speed: Vec2::new(
                        rand::gen_range(-250., 250.) / 60.,
                        rand::gen_range(-250., 250.) / 60.,
                    ),
                    color: Color::from_rgba(
                        rand::gen_range(50, 240),
                        rand::gen_range(80, 240),
                        rand::gen_range(100, 240),
                        255,
                    ),
                })
            }
        }

        for rustaceane in &mut rustaceanes {
            rustaceane.pos += rustaceane.speed;

            if ((rustaceane.pos.x + rustacean_tex.width() / 2.) > screen_width())
                || ((rustaceane.pos.x + rustacean_tex.width() / 2.) < 0.)
            {
                rustaceane.speed.x *= -1.;
            }
            if ((rustaceane.pos.y + rustacean_tex.height() / 2.) > screen_height())
                || ((rustaceane.pos.y + rustacean_tex.height() / 2.) < 0.)
            {
                rustaceane.speed.y *= -1.;
            }

            draw_texture(
                &rustacean_tex,
                rustaceane.pos.x,
                rustaceane.pos.y,
                rustaceane.color,
            );
        }

        draw_text(format!("FPS: {}", get_fps()).as_str(), 0., 16., 32., WHITE);
        draw_text(
            format!("Rustaceanes: {}", rustaceanes.len()).as_str(),
            0.,
            32.,
            32.,
            WHITE,
        );

        next_frame().await
    }
}
examples/life.rs (line 89)
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async fn main() {
    let w = screen_width() as usize;
    let h = screen_height() as usize;

    let mut cells = vec![CellState::Dead; w * h];
    let mut buffer = vec![CellState::Dead; w * h];

    let mut image = Image::gen_image_color(w as u16, h as u16, WHITE);

    for cell in cells.iter_mut() {
        if rand::gen_range(0, 5) == 0 {
            *cell = CellState::Alive;
        }
    }
    let texture = Texture2D::from_image(&image);

    loop {
        clear_background(WHITE);

        let w = image.width();
        let h = image.height();

        for y in 0..h as i32 {
            for x in 0..w as i32 {
                let mut neighbors_count = 0;

                for j in -1i32..=1 {
                    for i in -1i32..=1 {
                        // out of bounds
                        if y + j < 0 || y + j >= h as i32 || x + i < 0 || x + i >= w as i32 {
                            continue;
                        }
                        // cell itself
                        if i == 0 && j == 0 {
                            continue;
                        }

                        let neighbor = cells[(y + j) as usize * w + (x + i) as usize];
                        if neighbor == CellState::Alive {
                            neighbors_count += 1;
                        }
                    }
                }

                let current_cell = cells[y as usize * w + x as usize];
                buffer[y as usize * w + x as usize] = match (current_cell, neighbors_count) {
                    // Rule 1: Any live cell with fewer than two live neighbours
                    // dies, as if caused by underpopulation.
                    (CellState::Alive, x) if x < 2 => CellState::Dead,
                    // Rule 2: Any live cell with two or three live neighbours
                    // lives on to the next generation.
                    (CellState::Alive, 2) | (CellState::Alive, 3) => CellState::Alive,
                    // Rule 3: Any live cell with more than three live
                    // neighbours dies, as if by overpopulation.
                    (CellState::Alive, x) if x > 3 => CellState::Dead,
                    // Rule 4: Any dead cell with exactly three live neighbours
                    // becomes a live cell, as if by reproduction.
                    (CellState::Dead, 3) => CellState::Alive,
                    // All other cells remain in the same state.
                    (otherwise, _) => otherwise,
                };
            }
        }

        for i in 0..buffer.len() {
            cells[i] = buffer[i];

            image.set_pixel(
                (i % w) as u32,
                (i / w) as u32,
                match buffer[i as usize] {
                    CellState::Alive => BLACK,
                    CellState::Dead => WHITE,
                },
            );
        }

        texture.update(&image);

        draw_texture(&texture, 0., 0., WHITE);

        next_frame().await
    }
}