Replace Kiss3d by Bevy for the testbed renderer.

examples3d/domino3.rs

@@ -60,7 +60,7 @@ pub fn init_world(testbed: &mut Testbed) {
             let handle = bodies.insert(rigid_body);
             let collider = ColliderBuilder::cuboid(thickness, width * 2.0, width).build();
             colliders.insert(collider, handle, &mut bodies);
-            testbed.set_body_color(handle, colors[i % 2]);
+            testbed.set_initial_body_color(handle, colors[i % 2]);
         } else {
             skip -= 1;
         }
@@ -78,8 +78,3 @@ pub fn init_world(testbed: &mut Testbed) {
     testbed.set_world(bodies, colliders, joints);
     testbed.look_at(Point3::new(100.0, 100.0, 100.0), Point3::origin());
 }
-
-fn main() {
-    let testbed = Testbed::from_builders(0, vec![("Boxes", init_world)]);
-    testbed.run()
-}