See the examples in the project
Create an effect component
public struct SimpleTriggerEffect : IComponentData
{
public Color Color;
public bool Used;
}Register the component in the system (See AddTriggerEffectsSystem ComponentSystem)
_triggerDetectorSystem.Conversion.Add(typeof(SimpleTriggerEffect), EcsUtils.CopyComponent<SimpleTriggerEffect>);Create a prefab with conversion for the trigger
public class SimpleTriggerAuthoring : MonoBehaviour, IConvertGameObjectToEntity
{
public Color Color;
public void Convert(Entity entity, EntityManager dstManager, GameObjectConversionSystem conversionSystem)
{
conversionSystem.AddHybridComponent(GetComponent<SpriteRenderer>());
conversionSystem.AddHybridComponent(GetComponent<Transform>());
conversionSystem.AddHybridComponent(GetComponent<Rigidbody2D>());
conversionSystem.AddHybridComponent(GetComponent<BoxCollider2D>());
dstManager.AddComponent<TriggerComponent>(entity);
dstManager.AddComponent<Enabled>(entity);
dstManager.AddComponent<SimpleTriggerEffect>(entity);
dstManager.SetComponentData(entity, new SimpleTriggerEffect
{
Color = Color
});
}
}
Create a prefab with conversion for the detector
public class SimpleDetectorAuthoring : MonoBehaviour, IConvertGameObjectToEntity
{
public void Convert(Entity entity, EntityManager dstManager, GameObjectConversionSystem conversionSystem)
{
conversionSystem.AddHybridComponent(GetComponent<SpriteRenderer>());
conversionSystem.AddHybridComponent(GetComponent<Transform>());
conversionSystem.AddHybridComponent(GetComponent<Rigidbody2D>());
conversionSystem.AddHybridComponent(GetComponent<BoxCollider2D>());
dstManager.AddComponent<DetectorComponent>(entity);
dstManager.AddComponent<InputComponent>(entity);
dstManager.AddComponent<SimpleDetectorTag>(entity);
dstManager.AddComponent<Enabled>(entity);
dstManager.AddComponent<CopyTransformFromGameObject>(entity);
}
}
Create system with custom game logic
public class SimpleTriggerEffectSystem : SystemBase
{
protected override void OnUpdate()
{
Entities.WithoutBurst().WithAll<DetectorComponent>().ForEach(
(Entity e, int entityInQueryIndex, ref SimpleTriggerEffect triggerEffect, in SpriteRenderer spriteRenderer) =>
{
if (!triggerEffect.Used)
{
triggerEffect.Used = true;
spriteRenderer.color = triggerEffect.Color;
}
}).Run();
}
}
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