Collision

@Entity('tank')
export class Tank {
  @Sync() position!: Vector3;

  @Body({ shape: 'capsule', radius: 0.6, layer: 'vehicles' })
  @CollidesWith('walls', Response.Slide)
  @CollidesWith('pickups', Response.Pass)        // reported, motion passes through
  body: Body;
}

@entity("tank")
class Tank:
    position: Vector3 = sync()

    body = collision.body(shape="capsule", radius=0.6, layer="vehicles",
                           collides_with=[
                               ("walls", Response.SLIDE),
                               ("pickups", Response.PASS),   # reported, motion passes through
                           ])

// the declaration rides inside the engine's own reflection macros, in the specifier position —
// UHT reads it from the header text, and the member is a reflected property at the same time
UCLASS(PSEntity = "tank")
class UTank : public UObject
{
    GENERATED_BODY()

    UPROPERTY(PSSync)
    FVector3f Position;

    // walls slide, pickups report the contact and let motion pass through —
    // multi-entry values are one quoted list (a specifier value is a single token)
    UPROPERTY(PSBody = (Shape = "Capsule", Radius = "0.6", Layer = "vehicles"),
              PSCollidesWith = "walls:Slide, pickups:Pass")
    FPSBody Body;
};
// declarations compile into the same pushed model — playserv push from the UE project or CI

[Entity("tank")]
public class Tank
{
    [Sync] public Vector3 Position;

    [Body(Shape.Capsule, Radius = 0.6f, Layer = "vehicles")]
    [CollidesWith("walls", Response.Slide)]
    [CollidesWith("pickups", Response.Pass)]        // reported, motion passes through
    public Body Body;
}