How to use animation in Pure ECS? Any examples?

Thanks in advance

 

At the moment the methods for the Animator class are not thread safe. For the time being I have a bandaid workaround until the devs release an official ECS component for the Animator:

• AnimationTriggerComponent containing the integer hash for a trigger
• AnimationTriggerSystem written in Hybrid ECS (Animator methods cannot be jobified YET) that executes SetTrigger for each entity that has a AnimationTriggerComponent

Code (CSharp):

1. [Serializable]
2. public struct AnimationTrigger : IComponentData
3. {
4.     public int Value;
5. }
6.  
7. public class AnimationTriggerSystem : ComponentSystem
8. {
9.     [UsedImplicitly] [Inject] private AnimationTriggerGroup _animatedEntities;
10.  
11.     protected override void OnUpdate()
12.     {
13.         for (var i = 0; i < _animatedEntities.Length; i++)
14.         {
15.             var animationTrigger = _animatedEntities.AnimationTriggers[i];
16.             var animator = _animatedEntities.Animators[i];
17.             var entity = _animatedEntities.Entities[i];
18.  
19.             PostUpdateCommands.RemoveComponent<AnimationTrigger>(entity);
20.  
21.             animator.SetTrigger(animationTrigger.Value);
22.         }
23.     }
24.  
25.     private struct AnimationTriggerGroup
26.     {
27.         [UsedImplicitly] [ReadOnly] public ComponentDataArray<AnimationTrigger> AnimationTriggers;
28.         [UsedImplicitly] [ReadOnly] public ComponentArray<Animator> Animators;
29.         [UsedImplicitly] [ReadOnly] public EntityArray Entities;
30.         [UsedImplicitly] public readonly int Length;
31.     }
32. }

 

Thanks for the reply, I am just learning ECS, how to add Animator to an entity?

Code (CSharp):

1.      Entity entity = entityManager.CreateEntity(archetype);
2.      entityManager.SetComponentData(entity,//Animator);

 

Since Animator ist not an ECS component, you have to add it to the underlying GameObject as usual. Either via inspector or in code.

 

Thank you, new to ECS, this helps a lot to see a bit more clearly..