use tetra::graphics::{self, Color}; use tetra::{Context, ContextBuilder, State}; struct GameState; impl State for GameState { fn draw(&mut self, ctx: &mut Context) -> tetra::Result { // Cornflower blue, as is tradition graphics::clear(ctx, Color::rgb(0.392, 0.584, 0.929)); Ok(()) } } fn main() -> tetra::Result { ContextBuilder::new("Hello, world!", 1280, 720) .build()? .run(|_| Ok(GameState)) }