# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1454175229 -3600
# Node ID 91a30c1a8c4b17a2693bd6d7b5223957d82c0450
# Parent  785891e2e2c6f6566b99975eb2ebc74b34dfff70
Adding JBox2D sample into our benchmarks

diff -r 785891e2e2c6 -r 91a30c1a8c4b benchmarks/jbox2d-osgi/pom.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/benchmarks/jbox2d-osgi/pom.xml	Sat Jan 30 18:33:49 2016 +0100
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apidesign.bck2brwsr</groupId>
+        <artifactId>benchmarks</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <packaging>bundle</packaging>
+    <artifactId>jbox2d-osgi</artifactId>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.7</maven.compiler.source>
+        <maven.compiler.target>1.7</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <export.packages>org.jbox2d.*</export.packages>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.jbox2d</groupId>
+            <artifactId>jbox2d-library</artifactId>
+            <version>2.2.1.1</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <version>2.3.7</version>
+                <configuration>
+                    <instructions>
+                        <Bundle-Name>${project.artifactId}</Bundle-Name>
+                        <Bundle-SymbolicName>${project.groupId}.${project.artifactId}</Bundle-SymbolicName>
+                        <Bundle-Description>OSGI version of ${project.name}</Bundle-Description>
+                        <Export-Package>${export.packages}</Export-Package>
+                    </instructions>
+                </configuration>
+                <extensions>true</extensions>
+            </plugin>
+            <plugin>
+                <groupId>org.apidesign.bck2brwsr</groupId>
+                <artifactId>bck2brwsr-maven-plugin</artifactId>
+                <version>${project.version}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>library</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff -r 785891e2e2c6 -r 91a30c1a8c4b benchmarks/jbox2d/pom.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/benchmarks/jbox2d/pom.xml	Sat Jan 30 18:33:49 2016 +0100
@@ -0,0 +1,119 @@
+<?xml version="1.0"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apidesign.bck2brwsr</groupId>
+  <artifactId>jbox2d</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>jar</packaging>
+  <parent>
+    <artifactId>benchmarks</artifactId>
+    <groupId>org.apidesign.bck2brwsr</groupId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+
+  <name>JBox2D in Action</name>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <build>
+      <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <version>2.3.2</version>
+            <configuration>
+               <source>1.7</source>
+               <target>1.7</target>
+            </configuration>
+          </plugin>
+          <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-deploy-plugin</artifactId>
+              <version>2.7</version>
+              <configuration>
+                  <skip>true</skip>
+              </configuration>
+          </plugin>      
+          <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-surefire-plugin</artifactId>
+              <configuration>
+                  <systemPropertyVariables>
+                      <vmtest.js>brwsr</vmtest.js>
+                  </systemPropertyVariables>
+              </configuration>
+          </plugin>
+          <plugin>
+              <groupId>org.apidesign.bck2brwsr</groupId>
+              <artifactId>bck2brwsr-maven-plugin</artifactId>
+              <version>${project.version}</version>
+              <executions>
+                  <execution>
+                      <goals>
+                          <goal>library</goal>
+                      </goals>
+                  </execution>
+              </executions>
+              <configuration>
+                  <aotDeps>
+                      <aotDep>org.jbox2d:*</aotDep>
+                  </aotDeps>
+                  <minified>false</minified>
+                  <debug>false</debug>
+              </configuration>
+          </plugin>
+      </plugins>
+  </build>
+  
+  <dependencies>
+    <dependency>
+        <groupId>org.apidesign.bck2brwsr</groupId>
+        <artifactId>emul</artifactId>
+        <version>${project.version}</version>
+        <classifier>bck2brwsr</classifier>
+    </dependency>
+    <dependency>
+      <groupId>org.apidesign.bck2brwsr</groupId>
+      <artifactId>emul</artifactId>
+      <version>${project.version}</version>
+      <classifier>rt</classifier>
+    </dependency>
+    <dependency>
+      <groupId>org.testng</groupId>
+      <artifactId>testng</artifactId>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>junit</artifactId>
+          <groupId>junit</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.apidesign.bck2brwsr</groupId>
+      <artifactId>vmtest</artifactId>
+      <version>${project.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apidesign.bck2brwsr</groupId>
+      <artifactId>launcher.http</artifactId>
+      <version>${project.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apidesign.bck2brwsr</groupId>
+      <artifactId>jbox2d-2.1.1.1-osgi</artifactId>
+      <version>${project.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>org.jbox2d</groupId>
+          <artifactId>jbox2d-library</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+  </dependencies>
+</project>
diff -r 785891e2e2c6 -r 91a30c1a8c4b benchmarks/jbox2d/src/main/java/org/apidesign/benchmark/jbox2d/Scene.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/benchmarks/jbox2d/src/main/java/org/apidesign/benchmark/jbox2d/Scene.java	Sat Jan 30 18:33:49 2016 +0100
@@ -0,0 +1,178 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.benchmark.jbox2d;
+
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  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.
+ */
+
+import org.jbox2d.collision.shapes.CircleShape;
+import org.jbox2d.collision.shapes.PolygonShape;
+import org.jbox2d.common.Vec2;
+import org.jbox2d.dynamics.*;
+import org.jbox2d.dynamics.joints.RevoluteJointDef;
+
+/** Taken from TeaVM.
+ * <a href="https://github.com/konsoletyper/teavm/blob/3341df3668bbe3f0c3ed78b621e311361c88acfc/samples/benchmark/src/main/java/org/teavm/samples/benchmark/Scene.java">Sample</a>
+ * is licensed under Apache license.
+ *
+ * @author Alexey Andreev
+ */
+public class Scene {
+    private World world;
+    private Body axis;
+    private Body reel;
+    private long lastCalculated;
+    private long startTime;
+
+    public Scene() {
+        world = new World(new Vec2(0, -9.8f));
+        initAxis();
+        initReel();
+        joinReelToAxis();
+        initBalls();
+        lastCalculated = System.currentTimeMillis();
+        startTime = lastCalculated;
+    }
+
+    private void initAxis() {
+        BodyDef axisDef = new BodyDef();
+        axisDef.type = BodyType.STATIC;
+        axisDef.position = new Vec2(3, 3);
+        axis = world.createBody(axisDef);
+
+        CircleShape axisShape = new CircleShape();
+        axisShape.setRadius(0.02f);
+        axisShape.m_p.set(0, 0);
+
+        FixtureDef axisFixture = new FixtureDef();
+        axisFixture.shape = axisShape;
+        axis.createFixture(axisFixture);
+    }
+
+    private void initReel() {
+        BodyDef reelDef = new BodyDef();
+        reelDef.type = BodyType.DYNAMIC;
+        reelDef.position = new Vec2(3, 3);
+        reel = world.createBody(reelDef);
+
+        FixtureDef fixture = new FixtureDef();
+        fixture.friction = 0.5f;
+        fixture.restitution = 0.4f;
+        fixture.density = 1;
+
+        int parts = 30;
+        for (int i = 0; i < parts; ++i) {
+            PolygonShape shape = new PolygonShape();
+            double angle1 = i / (double) parts * 2 * Math.PI;
+            double x1 = 2.7 * Math.cos(angle1);
+            double y1 = 2.7 * Math.sin(angle1);
+            double angle2 = (i + 1) / (double) parts * 2 * Math.PI;
+            double x2 = 2.7 * Math.cos(angle2);
+            double y2 = 2.7 * Math.sin(angle2);
+            double angle = (angle1 + angle2) / 2;
+            double x = 0.01 * Math.cos(angle);
+            double y = 0.01 * Math.sin(angle);
+
+            shape.set(new Vec2[] { new Vec2((float) x1, (float) y1), new Vec2((float) x2, (float) y2),
+                    new Vec2((float) (x2 - x), (float) (y2 - y)), new Vec2((float) (x1 - x), (float) (y1 - y)) }, 4);
+            fixture.shape = shape;
+            reel.createFixture(fixture);
+        }
+    }
+
+    private void initBalls() {
+        float ballRadius = 0.15f;
+
+        BodyDef ballDef = new BodyDef();
+        ballDef.type = BodyType.DYNAMIC;
+        FixtureDef fixtureDef = new FixtureDef();
+        fixtureDef.friction = 0.3f;
+        fixtureDef.restitution = 0.3f;
+        fixtureDef.density = 0.2f;
+        CircleShape shape = new CircleShape();
+        shape.m_radius = ballRadius;
+        fixtureDef.shape = shape;
+
+        for (int i = 0; i < 5; ++i) {
+            for (int j = 0; j < 5; ++j) {
+                float x = (j + 0.5f) * (ballRadius * 2 + 0.01f);
+                float y = (i + 0.5f) * (ballRadius * 2 + 0.01f);
+                ballDef.position.x = 3 + x;
+                ballDef.position.y = 3 + y;
+                Body body = world.createBody(ballDef);
+                body.createFixture(fixtureDef);
+
+                ballDef.position.x = 3 - x;
+                ballDef.position.y = 3 + y;
+                body = world.createBody(ballDef);
+                body.createFixture(fixtureDef);
+
+                ballDef.position.x = 3 + x;
+                ballDef.position.y = 3 - y;
+                body = world.createBody(ballDef);
+                body.createFixture(fixtureDef);
+
+                ballDef.position.x = 3 - x;
+                ballDef.position.y = 3 - y;
+                body = world.createBody(ballDef);
+                body.createFixture(fixtureDef);
+            }
+        }
+    }
+
+    private void joinReelToAxis() {
+        RevoluteJointDef jointDef = new RevoluteJointDef();
+        jointDef.bodyA = axis;
+        jointDef.bodyB = reel;
+        world.createJoint(jointDef);
+    }
+
+    public void calculate() {
+        long currentTime = System.currentTimeMillis();
+        int timeToCalculate = (int) (currentTime - lastCalculated);
+        long relativeTime = currentTime - startTime;
+        while (timeToCalculate > 10) {
+            int period = (int) ((relativeTime + 5000) / 10000);
+            reel.applyTorque(period % 2 == 0 ? 8f : -8f);
+            world.step(0.01f, 20, 40);
+            lastCalculated += 10;
+            timeToCalculate -= 10;
+        }
+    }
+
+    public int timeUntilNextStep() {
+        return (int) Math.max(0, lastCalculated + 10 - System.currentTimeMillis());
+    }
+
+    public World getWorld() {
+        return world;
+    }
+}
diff -r 785891e2e2c6 -r 91a30c1a8c4b benchmarks/jbox2d/src/test/java/org/apidesign/benchmark/jbox2d/JBox2dSimulationTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/benchmarks/jbox2d/src/test/java/org/apidesign/benchmark/jbox2d/JBox2dSimulationTest.java	Sat Jan 30 18:33:49 2016 +0100
@@ -0,0 +1,42 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.benchmark.jbox2d;
+
+import java.io.IOException;
+import org.apidesign.bck2brwsr.vmtest.Compare;
+import org.apidesign.bck2brwsr.vmtest.VMTest;
+import org.testng.annotations.Factory;
+
+public class JBox2dSimulationTest {
+    public JBox2dSimulationTest() {
+    }
+
+    @Compare(slowdown = 40.0)
+    public int tenThousand() throws IOException {
+        Scene s = new Scene();
+        for (int i = 0; i < 10000; i++) {
+            s.calculate();
+        }
+        return s.getWorld().getBodyCount();
+    }
+
+    @Factory
+    public static Object[] create() {
+        return VMTest.create(JBox2dSimulationTest.class);
+    }
+}
diff -r 785891e2e2c6 -r 91a30c1a8c4b benchmarks/pom.xml
--- a/benchmarks/pom.xml	Wed Jan 27 23:33:22 2016 +0100
+++ b/benchmarks/pom.xml	Sat Jan 30 18:33:49 2016 +0100
@@ -13,5 +13,7 @@
   <name>Performance benchmarks</name>
   <modules>
     <module>sieve</module>
+    <module>jbox2d</module>
+    <module>jbox2d-osgi</module>
   </modules>
 </project>