/*******************************************************************************
* 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.systems;
import com.badlogic.ashley.core.ComponentMapper;
import com.badlogic.ashley.core.Entity;
import com.badlogic.ashley.core.Family;
import com.badlogic.ashley.systems.IteratingSystem;
import com.badlogic.ashley.tests.components.MovementComponent;
import com.badlogic.ashley.tests.components.PositionComponent;
public class MovementSystem extends IteratingSystem {
private ComponentMapper<PositionComponent> pm = ComponentMapper.getFor(PositionComponent.class);
private ComponentMapper<MovementComponent> mm = ComponentMapper.getFor(MovementComponent.class);
public MovementSystem() {
super(Family.getFor(PositionComponent.class, MovementComponent.class));
}
@Override
public void processEntity(Entity entity, float deltaTime) {
PositionComponent position = pm.get(entity);
MovementComponent movement = mm.get(entity);
position.x += movement.velocityX * deltaTime;
position.y += movement.velocityY * deltaTime;
}
}