/*******************************************************************************
* Copyright 2014 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.ashley.tests;
import com.badlogic.ashley.core.Entity;
import com.badlogic.ashley.core.PooledEngine;
import com.badlogic.ashley.tests.components.MovementComponent;
import com.badlogic.ashley.tests.components.PositionComponent;
import com.badlogic.ashley.tests.systems.MovementSystem;
import com.badlogic.ashley.tests.utils.Timer;
import com.badlogic.gdx.utils.Array;
public class SpeedTest {
public static int NUMBER_ENTITIES = 100000;
public static void main(String[] args){
Timer timer = new Timer();
Array<Entity> entities = new Array<>();
PooledEngine engine = new PooledEngine();
engine.addSystem(new MovementSystem());
System.out.println("Number of entities: " + NUMBER_ENTITIES);
/** Adding entities */
timer.start("entities");
entities.ensureCapacity(NUMBER_ENTITIES);
for(int i=0; i<NUMBER_ENTITIES; i++){
Entity entity = engine.createEntity();
entity.add(new MovementComponent(10, 10));
entity.add(new PositionComponent(0, 0));
engine.addEntity(entity);
entities.add(entity);
}
System.out.println("Entities added time: " + timer.stop("entities") + "ms");
/** Removing components */
timer.start("componentRemoved");
for(Entity e:entities){
e.remove(PositionComponent.class);
}
System.out.println("Component removed time: " + timer.stop("componentRemoved") + "ms");
/** Adding components */
timer.start("componentAdded");
for(Entity e:entities){
e.add(new PositionComponent(0, 0));
}
System.out.println("Component added time: " + timer.stop("componentAdded") + "ms");
/** System processing */
timer.start("systemProcessing");
engine.update(0);
System.out.println("System processing times " + timer.stop("systemProcessing") + "ms");
/** Removing entities */
timer.start("entitiesRemoved");
engine.removeAllEntities();
System.out.println("Entity removed time: " + timer.stop("entitiesRemoved") + "ms");
}
}