import net.minecraft.client.renderer.culling.Frustrum; //导入依赖的package包/类
@SubscribeEvent
public void onRenderWorldLast(RenderWorldLastEvent event) {
	Minecraft mc = Minecraft.getMinecraft();
	if (!Minecraft.isGuiEnabled())
		return;
	EntityLivingBase cameraEntity = mc.renderViewEntity;
	Vec3 renderingVector = cameraEntity.getPosition(event.partialTicks);
	Frustrum frustrum = new Frustrum();

	double viewX = cameraEntity.lastTickPosX + (cameraEntity.posX - cameraEntity.lastTickPosX) * event.partialTicks;
	double viewY = cameraEntity.lastTickPosY + (cameraEntity.posY - cameraEntity.lastTickPosY) * event.partialTicks;
	double viewZ = cameraEntity.lastTickPosZ + (cameraEntity.posZ - cameraEntity.lastTickPosZ) * event.partialTicks;
	frustrum.setPosition(viewX, viewY, viewZ);

	List<Entity> loadedEntities = mc.theWorld.getLoadedEntityList();
	for (Entity entity : loadedEntities) {
		if (entity != null && entity instanceof EntityLivingBase && entity.isInRangeToRender3d(renderingVector.xCoord, renderingVector.yCoord, renderingVector.zCoord) && (entity.ignoreFrustumCheck || frustrum.isBoundingBoxInFrustum(entity.boundingBox)) && entity.isEntityAlive()) {
			renderHealthBar((EntityLivingBase) entity, event.partialTicks, cameraEntity);
		}
	}
}