Using deltaTime in movement system?

[Shadowblitz16]

Your examples for BaseSystem doesn't include how to use deltatime

You can't just use deltaTime from the outer scope due to it not being valid in the lambda.

using Arch.Core;
using Arch.System;
using MineClone.Components;

namespace MineClone.Systems;

public class MovementSystem(World world) : BaseSystem<World, float>(world)
{
    private QueryDescription _description = new QueryDescription().WithAll<Position, Velocity>();
    public override void Update(in float delta)
    {
        base.Update(in delta);
        World.Query(in _description, (ref Position position, ref Velocity velocity) =>
        {
            position.Value += velocity.Value * delta; // cannot use in parameter delta
        });
    }
}

[ClxS]

Copy it to a local

float localDeltaTime = deltaTime;

And use that instead. I know it's arch here and not you, but in here at all feels strange.