Rename rounded -> round.

examples3d/heightfield3.rs

@@ -59,7 +59,7 @@ pub fn init_world(testbed: &mut Testbed) {
                     1 => ColliderBuilder::ball(rad).build(),
                     // Rounded cylinders are much more efficient that cylinder, even if the
                     // rounding margin is small.
-                    2 => ColliderBuilder::rounded_cylinder(rad, rad, rad / 10.0).build(),
+                    2 => ColliderBuilder::round_cylinder(rad, rad, rad / 10.0).build(),
                     _ => ColliderBuilder::cone(rad, rad).build(),
                 };