use boxddd::{BodyDef, BodyType, Recording, ShapeDef, Sphere, World, WorldDef};
fn main() -> boxddd::Result<()> {
let mut world = World::new(WorldDef::builder().gravity([0.0, -9.8, 0.0]).build())?;
let mut recording = Recording::new()?;
world.try_start_recording(&mut recording)?;
let body = world.create_body(
BodyDef::builder()
.body_type(BodyType::Dynamic)
.position([0.0, 2.0, 0.0])
.build(),
);
world.create_sphere_shape(
body,
&ShapeDef::builder().density(1.0).build(),
&Sphere::new([0.0, 0.0, 0.0], 0.25),
);
for _ in 0..30 {
world.try_step(1.0 / 60.0, 4)?;
}
world.try_stop_recording(&mut recording)?;
let mut player = recording.create_player(1)?;
while player.step_frame()? {}
println!(
"replayed {} frames, diverged: {}",
player.frame(),
player.has_diverged()
);
Ok(())
}