IJob

Definition

• Type: Interface
• Namespace: Unity.Jobs
• Assembly: UnityEngine.CoreModule

[JobProducerType(typeof(IJobExtensions.JobStruct<>))]public interface IJob

Remarks

Examples

using UnityEngine;using Unity.Collections;using Unity.Jobs;class ApplyVelocitySample : MonoBehaviour{    struct VelocityJob : IJob    {        // Jobs declare all data that will be accessed in the job        // By declaring it as read only, multiple jobs are allowed to access the data in parallel        [ReadOnly]        public NativeArray<Vector3> velocity;        // By default containers are assumed to be read & write        public NativeArray<Vector3> position;        // Delta time must be copied to the job since jobs generally don't have concept of a frame.        // The main thread waits for the job on the same frame or the next frame, but the job should        // perform work in a deterministic and independent way when running on worker threads.        public float deltaTime;        // The code actually running on the job        public void Execute()        {            // Move the positions based on delta time and velocity            for (var i = 0; i < position.Length; i++)                position[i] = position[i] + velocity[i] * deltaTime;        }    }    public void Update()    {        var position = new NativeArray<Vector3>(500, Allocator.Persistent);        var velocity = new NativeArray<Vector3>(500, Allocator.Persistent);        for (var i = 0; i < velocity.Length; i++)            velocity[i] = new Vector3(0, 10, 0);        // Initialize the job data        var job = new VelocityJob()        {            deltaTime = Time.deltaTime,            position = position,            velocity = velocity        };        // Schedule the job, returns the JobHandle which can be waited upon later on        JobHandle jobHandle = job.Schedule();        // Ensure the job has completed        // It is not recommended to Complete a job immediately,        // since that gives you no actual parallelism.        // You optimally want to schedule a job early in a frame and then wait for it later in the frame.        jobHandle.Complete();        Debug.Log(job.position[0]);        // Native arrays must be disposed manually        position.Dispose();        velocity.Dispose();    }}

Methods