/*******************************************************************************
* 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.benchmark.artemis.systems;
import com.artemis.Aspect;
import com.artemis.ComponentMapper;
import com.artemis.Entity;
import com.artemis.annotations.Mapper;
import com.artemis.systems.EntityProcessingSystem;
import com.badlogic.ashley.benchmark.artemis.components.MovementComponent;
import com.badlogic.ashley.benchmark.artemis.components.PositionComponent;
import com.badlogic.gdx.math.Vector2;
public class MovementSystem extends EntityProcessingSystem {
private Vector2 tmp = new Vector2();
@Mapper ComponentMapper<PositionComponent> pm;
@Mapper ComponentMapper<MovementComponent> mm;
public MovementSystem() {
super(Aspect.getAspectForAll(PositionComponent.class, MovementComponent.class));
}
@Override
protected void initialize() {
pm = world.getMapper(PositionComponent.class);
mm = world.getMapper(MovementComponent.class);
};
@Override
protected void process(Entity entity) {
PositionComponent pos = pm.get(entity);
MovementComponent mov = mm.get(entity);
tmp.set(mov.accel).scl(world.getDelta());
mov.velocity.add(tmp);
tmp.set(mov.velocity).scl(world.getDelta());
pos.pos.add(tmp.x, tmp.y, 0.0f);
}
}