xref: /external/replicaisland/src/com/replica/replicaisland/VectorPool.java

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * 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.replica.replicaisland;

/**
 * A pool of 2D vectors.
 */
public class VectorPool extends TObjectPool<Vector2> {

    public VectorPool() {
        super();
    }

    @Override
    protected void fill() {
        for (int x = 0; x < getSize(); x++) {
            getAvailable().add(new Vector2());
        }
    }

    @Override
    public void release(Object entry) {
        ((Vector2)entry).zero();
        super.release(entry);
    }

    /** Allocates a vector and assigns the value of the passed source vector to it. */
    public Vector2 allocate(Vector2 source) {
        Vector2 entry = super.allocate();
        entry.set(source);
        return entry;
    }

}