DOTS_Pong/DOTS_Pong/Assets/Scripts/Systems/BallGoalCheckSystem.cs

using System.Collections;
using System.Collections.Generic;
using Unity.Entities;
using Unity.Transforms;
using UnityEngine;
using Unity.Collections;
using Unity.Mathematics;
using Unity.Jobs;

public class BallGoalCheckSystem : JobComponentSystem
{
    protected override JobHandle OnUpdate(JobHandle inputDeps)
    {
        Entities
            .WithAll<BallTag>()
            .WithStructuralChanges()
            .ForEach((Entity entity, ref Translation trans) =>
            {
                float3 pos = trans.Value;
                float bound = GameManager.main.xBound;

                if (pos.x >= bound)
                {
                    GameManager.main.PlayerScored(0);
                    EntityManager.DestroyEntity(entity);
                }
                else if (pos.x <= -bound)
                {
                    GameManager.main.PlayerScored(1);
                    EntityManager.DestroyEntity(entity);
                }
            }).Run();

        return inputDeps;
    }
}