Rename the 3D debug-deserialize example

examples3d/debug_deserialize3.rs

@@ -0,0 +1,42 @@
+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 bytes = std::fs::read("state.bin").unwrap();
+    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),
+    }
+}