diff --git a/src/main.rs b/src/main.rs index 782f8e5..387ab6c 100644 --- a/src/main.rs +++ b/src/main.rs @@ -18,6 +18,12 @@ struct InputState { y: f32, } +#[derive(Component, Default)] +struct SailboatState { + sail_extension: f32, + rudder_dir: f32, +} + fn main() { let mut app = App::new(); @@ -50,6 +56,7 @@ fn sprite_setup(assets: Res, mut commands: Commands) { }, EntityPhysics::default(), InputState::default(), + SailboatState::default(), )) .with_child(( Sprite { @@ -93,28 +100,45 @@ fn handle_keys(mut q_player: Query<&mut InputState>, keys: Res) { - let Ok((input, mut physics, mut transform)) = q_player.single_mut() else { +fn player_physics( + mut q_player: Query<( + &InputState, + &mut SailboatState, + &mut EntityPhysics, + &mut Transform, + )>, +) { + let Ok((input, mut boat_state, mut physics, mut transform)) = q_player.single_mut() else { return; }; if input.x < 0. { - physics.turn_speed -= 0.1; + boat_state.rudder_dir = (-1.0 + boat_state.rudder_dir) * 0.5; } else if input.x > 0. { - physics.turn_speed += 0.1; + boat_state.rudder_dir = (1.0 + boat_state.rudder_dir) * 0.5; } else { - physics.turn_speed *= 0.99; + boat_state.rudder_dir *= 0.5; } + physics.turn_speed *= 0.1; + + physics.turn_speed += boat_state.rudder_dir * (physics.speed.abs() / MAX_SAILING_SPEED); + physics.turn_speed = physics.turn_speed.clamp(-MAX_TURN_SPEED, MAX_TURN_SPEED); physics.heading += physics.turn_speed * 0.1; if input.y > 0. { - physics.speed += 0.1; + boat_state.sail_extension = (1.0 + boat_state.sail_extension) * 0.5; } else if input.y < 0. { - physics.speed -= 0.1; - } else { - physics.speed *= 0.999; + boat_state.sail_extension *= 0.5; + } + + boat_state.sail_extension = boat_state.sail_extension.clamp(0., 1.); + + physics.speed *= 0.99; + + if boat_state.sail_extension > 0. { + physics.speed += 0.01 * boat_state.sail_extension; } physics.speed = physics.speed.clamp(-MAX_SAILING_SPEED, MAX_SAILING_SPEED);