From 7e6fa030094fdec33c3e5a5d5813f9e9fc0f1792 Mon Sep 17 00:00:00 2001
From: Stephen Gold <sgold@sonic.net>
Date: Mon, 4 Mar 2019 07:15:17 -0800
Subject: [PATCH] added a test for issue #1029

---
 .../java/jme3test/bullet/TestIssue1029.java   | 104 ++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 jme3-examples/src/main/java/jme3test/bullet/TestIssue1029.java

diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestIssue1029.java b/jme3-examples/src/main/java/jme3test/bullet/TestIssue1029.java
new file mode 100644
index 000000000..fa3546f61
--- /dev/null
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestIssue1029.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2019 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 jme3test.bullet;
+
+import com.jme3.app.Application;
+import com.jme3.app.SimpleApplication;
+import com.jme3.bullet.BulletAppState;
+import com.jme3.bullet.PhysicsSpace;
+import com.jme3.bullet.collision.PhysicsCollisionEvent;
+import com.jme3.bullet.collision.PhysicsCollisionListener;
+import com.jme3.bullet.collision.shapes.CollisionShape;
+import com.jme3.bullet.collision.shapes.SphereCollisionShape;
+import com.jme3.bullet.objects.PhysicsGhostObject;
+import com.jme3.bullet.objects.PhysicsRigidBody;
+
+/**
+ * Test case for JME issue #1029: sphere-sphere collisions not reported.
+ * <p>
+ * If successful, the app will terminate normally, without a RuntimeException.
+ *
+ * @author Stephen Gold sgold@sonic.net
+ */
+public class TestIssue1029
+        extends SimpleApplication
+        implements PhysicsCollisionListener {
+
+    private double elapsedSeconds = 0.0;
+
+    public static void main(String[] arguments) {
+        Application application = new TestIssue1029();
+        application.start();
+    }
+
+    @Override
+    public void simpleInitApp() {
+        BulletAppState bulletAppState = new BulletAppState();
+        stateManager.attach(bulletAppState);
+        bulletAppState.setDebugEnabled(true);
+
+        PhysicsSpace physicsSpace = bulletAppState.getPhysicsSpace();
+        physicsSpace.addCollisionListener(this);
+
+        CollisionShape shape;
+        shape = new SphereCollisionShape(1f);
+        //shape = new BoxCollisionShape(new Vector3f(1f, 1f, 1f));
+
+        PhysicsRigidBody staticBody = new PhysicsRigidBody(shape, 0f);
+        physicsSpace.add(staticBody);
+
+        PhysicsGhostObject ghost = new PhysicsGhostObject(shape);
+        physicsSpace.add(ghost);
+    }
+
+    @Override
+    public void simpleUpdate(float tpf) {
+        super.simpleUpdate(tpf);
+
+        elapsedSeconds += tpf;
+        if (elapsedSeconds > 1.0) {
+            throw new RuntimeException("No collisions reported!");
+        }
+    }
+
+    @Override
+    public void collision(PhysicsCollisionEvent event) {
+        Class aClass = event.getObjectA().getCollisionShape().getClass();
+        String aShape = aClass.getSimpleName().replace("CollisionShape", "");
+        Class bClass = event.getObjectB().getCollisionShape().getClass();
+        String bShape = bClass.getSimpleName().replace("CollisionShape", "");
+
+        System.out.printf("%s-%s collision reported at t = %f sec%n",
+                aShape, bShape, elapsedSeconds);
+        stop();
+    }
+}