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use rapier3d::prelude::*;
use rapier_testbed3d::Testbed;
#[derive(serde::Deserialize)]
struct PhysicsState {
pub gravity: Vector<f32>,
pub integration_parameters: IntegrationParameters,
pub islands: IslandManager,
pub broad_phase: BroadPhase,
pub narrow_phase: NarrowPhase,
pub bodies: RigidBodySet,
pub colliders: ColliderSet,
pub impulse_joints: ImpulseJointSet,
pub multibody_joints: MultibodyJointSet,
}
pub fn init_world(testbed: &mut Testbed) {
/*
* Set up the testbed.
*/
let path = "state.bin";
let bytes = match std::fs::read(path) {
Ok(bytes) => bytes,
Err(err) => {
println!(
"Failed to open the serialzed scene file {:?}: {}",
path, err
);
return;
}
};
match bincode::deserialize(&bytes) {
Ok(state) => {
let state: PhysicsState = state;
testbed.set_world(
state.bodies,
state.colliders,
state.impulse_joints,
state.multibody_joints,
);
testbed.harness_mut().physics.islands = state.islands;
testbed.harness_mut().physics.broad_phase = state.broad_phase;
testbed.harness_mut().physics.narrow_phase = state.narrow_phase;
testbed.harness_mut().physics.integration_parameters = state.integration_parameters;
testbed.harness_mut().physics.gravity = state.gravity;
testbed.set_graphics_shift(vector![-541.0, -6377257.0, -61.0]);
testbed.look_at(point![10.0, 10.0, 10.0], point![0.0, 0.0, 0.0]);
}
Err(err) => println!("Failed to deserialize the world state: {}", err),
}
}
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