jmonkeyengine/jme3-benchmark/src/main/java/com/jme3/bounding/BoundingVolumeBenchmark.java at 5fe394eac9a9899b39674a61d32f0c3059511116 · jMonkeyEngine/jmonkeyengine · GitHub

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/*
 * Copyright (c) 2009-2026 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jme3.bounding;

import com.jme3.math.Vector3f;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.infra.Blackhole;

@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 5, time = 200, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 5, time = 200, timeUnit = TimeUnit.MILLISECONDS)
@Fork(2)
@State(Scope.Thread)
public class BoundingVolumeBenchmark {

    @Param({"inside", "outside"})
    public String pointLocation;

    private BoundingBox box;
    private BoundingSphere sphere;
    private Vector3f point;

    @Setup(Level.Trial)
    public void setupTrial() {
        box = new BoundingBox(new Vector3f(3f, -2f, 7f), 5f, 9f, 13f);
        sphere = new BoundingSphere(11f, new Vector3f(3f, -2f, 7f));
        if ("inside".equals(pointLocation)) {
            point = new Vector3f(4f, 0f, 9f);
        } else {
            point = new Vector3f(39f, -31f, 45f);
        }
    }

    @Benchmark
    public void boxDistanceToEdge(Blackhole blackhole) {
        blackhole.consume(box.distanceToEdge(point));
    }

    @Benchmark
    public void boxIntersectsPoint(Blackhole blackhole) {
        blackhole.consume(box.intersects(point));
    }

    @Benchmark
    public void sphereDistanceToEdge(Blackhole blackhole) {
        blackhole.consume(sphere.distanceToEdge(point));
    }

    @Benchmark
    public void sphereIntersectsPoint(Blackhole blackhole) {
        blackhole.consume(sphere.intersects(point));
    }
}