IntegrationParameters: deprectate dt() and inv_dt() methods

src/dynamics/integration_parameters.rs

@@ -139,6 +139,7 @@ impl IntegrationParameters {
 
     /// The current time-stepping length.
     #[inline(always)]
+    #[deprecated = "You can just read the `IntegrationParams::dt` value directly"]
     pub fn dt(&self) -> f32 {
         self.dt
     }
@@ -157,6 +158,7 @@ impl IntegrationParameters {
 
     /// Sets the time-stepping length.
     #[inline]
+    #[deprecated = "You can just set the `IntegrationParams::dt` value directly"]
     pub fn set_dt(&mut self, dt: f32) {
         assert!(dt >= 0.0, "The time-stepping length cannot be negative.");
         self.dt = dt;

src/dynamics/solver/island_solver.rs

@@ -59,8 +59,7 @@ impl IslandSolver {
         }
 
         counters.solver.velocity_update_time.resume();
-        bodies
-            .foreach_active_island_body_mut_internal(island_id, |_, rb| rb.integrate(params.dt()));
+        bodies.foreach_active_island_body_mut_internal(island_id, |_, rb| rb.integrate(params.dt));
         counters.solver.velocity_update_time.pause();
 
         if manifold_indices.len() != 0 || joint_indices.len() != 0 {

src/dynamics/solver/parallel_island_solver.rs

@@ -234,7 +234,7 @@ impl ParallelIslandSolver {
                         let dvel = mj_lambdas[rb.active_set_offset];
                         rb.linvel += dvel.linear;
                         rb.angvel += rb.world_inv_inertia_sqrt.transform_vector(dvel.angular);
-                        rb.integrate(params.dt());
+                        rb.integrate(params.dt);
                         positions[rb.active_set_offset] = rb.position;
                     }
                 }