Rename rigid-body static to fixed

benchmarks3d/joint_fixed3.rs

@@ -35,7 +35,7 @@ pub fn init_world(testbed: &mut Testbed) {
                         // a joint between these.
 
                         let status = if i == 0 && (k % 4 == 0 && k != num - 2 || k == num - 1) {
-                            RigidBodyType::Static
+                            RigidBodyType::Fixed
                         } else {
                             RigidBodyType::Dynamic
                         };