/******************************************************************************* * 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.siondream.superjumper.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.gdx.math.Vector2; import com.siondream.superjumper.components.MovementComponent; import com.siondream.superjumper.components.TransformComponent; public class MovementSystem extends IteratingSystem { private Vector2 tmp = new Vector2(); private ComponentMapper<TransformComponent> tm; private ComponentMapper<MovementComponent> mm; public MovementSystem() { super(Family.all(TransformComponent.class, MovementComponent.class).get()); tm = ComponentMapper.getFor(TransformComponent.class); mm = ComponentMapper.getFor(MovementComponent.class); } @Override public void processEntity(Entity entity, float deltaTime) { TransformComponent pos = tm.get(entity); MovementComponent mov = mm.get(entity);; tmp.set(mov.accel).scl(deltaTime); mov.velocity.add(tmp); tmp.set(mov.velocity).scl(deltaTime); pos.pos.add(tmp.x, tmp.y, 0.0f); } }