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Test for issue #1120 - JBullet GImpactShape fall-through (#1137)

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Lou H 2019-07-07 23:40:02 -04:00 committed by Stephen Gold
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jme3-examples/src/main/java/jme3test/bullet/TestIssue1120.java Normal file
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/*
* Copyright (c) 2009-2019 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.SimpleApplication;
import com.jme3.bullet.BulletAppState;
import com.jme3.bullet.PhysicsSpace;
import com.jme3.bullet.collision.shapes.GImpactCollisionShape;
import com.jme3.bullet.control.RigidBodyControl;
import com.jme3.bullet.debug.BulletDebugAppState;
import com.jme3.font.BitmapFont;
import com.jme3.font.BitmapText;
import com.jme3.input.KeyInput;
import com.jme3.input.MouseInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.input.controls.MouseButtonTrigger;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Mesh;
import com.jme3.scene.Spatial;
import com.jme3.scene.shape.Cylinder;
import com.jme3.system.AppSettings;
import java.util.ArrayList;
import java.util.List;
/**
* Test demonstrating a GImpactCollisionShape falling through a curved mesh, when using JBullet. Bullet native
* does not experience this issue at the time this test was created.
*
* @author lou
*/
public class TestIssue1120 extends SimpleApplication {
private static TestIssue1120 test;
private BulletAppState bulletAppState;
private final boolean physicsDebug = true;
protected BitmapFont font;
private final BitmapText[] testInfo = new BitmapText[2];
private BitmapText speedText;
private final List<Spatial> testObjects = new ArrayList<>();
private static final boolean SKIP_SETTINGS = false;//Used for repeated runs of this test during dev
private float bulletSpeed = 0.5f;
public static void main(String[] args) {
test = new TestIssue1120();
test.setSettings(new AppSettings(true));
test.settings.setFrameRate(60);
if (SKIP_SETTINGS) {
test.settings.setWidth(1920);
test.settings.setHeight(1150);
test.showSettings = !SKIP_SETTINGS;
}
test.start();
}
@Override
public void simpleInitApp() {
cam.setLocation(new Vector3f(-7.285349f, -2.2638104f, 4.954474f));
cam.setRotation(new Quaternion(0.07345789f, 0.92521834f, -0.2876841f, 0.23624739f));
getFlyByCamera().setMoveSpeed(5);
DirectionalLight dl = new DirectionalLight();
dl.setDirection(new Vector3f(-1, -1, -1).normalizeLocal());
dl.setColor(ColorRGBA.Green);
rootNode.addLight(dl);
//Setup interactive test controls
inputManager.addMapping("restart", new KeyTrigger(KeyInput.KEY_SPACE));
inputManager.addMapping("pause", new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
inputManager.addMapping("+", new KeyTrigger(KeyInput.KEY_ADD), new KeyTrigger(KeyInput.KEY_EQUALS));
inputManager.addMapping("-", new KeyTrigger(KeyInput.KEY_SUBTRACT), new KeyTrigger(KeyInput.KEY_MINUS));
inputManager.addListener((ActionListener) (String name, boolean isPressed, float tpf) -> {
if (!isPressed) {
return;
}
switch (name) {
case "restart":
cleanup();
initializeNewTest();
break;
case "pause":
bulletAppState.setSpeed(bulletAppState.getSpeed() > 0.1 ? 0 : bulletSpeed);
break;
case "+":
bulletSpeed += 0.1f;
if (bulletSpeed > 1f) {
bulletSpeed = 1f;
}
bulletAppState.setSpeed(bulletSpeed);
break;
case "-":
bulletSpeed -= 0.1f;
if (bulletSpeed < 0.1f) {
bulletSpeed = 0.1f;
}
bulletAppState.setSpeed(bulletSpeed);
break;
}
}, "pause", "restart", "+", "-");
guiNode = getGuiNode();
font = assetManager.loadFont("Interface/Fonts/Default.fnt");
testInfo[0] = new BitmapText(font);
testInfo[1] = new BitmapText(font);
speedText = new BitmapText(font);
float lineHeight = testInfo[0].getLineHeight();
testInfo[0].setText("Camera move: W/A/S/D/Q/Z +/-: Increase/Decrease Speed");
testInfo[0].setLocalTranslation(5, test.settings.getHeight(), 0);
guiNode.attachChild(testInfo[0]);
testInfo[1].setText("Left Click: Toggle pause Space: Restart test");
testInfo[1].setLocalTranslation(5, test.settings.getHeight() - lineHeight, 0);
guiNode.attachChild(testInfo[1]);
speedText.setLocalTranslation(202, lineHeight * 1, 0);
guiNode.attachChild(speedText);
initializeNewTest();
}
private void initializeNewTest() {
bulletAppState = new BulletAppState();
bulletAppState.setDebugEnabled(physicsDebug);
stateManager.attach(bulletAppState);
bulletAppState.setSpeed(bulletSpeed);
dropTest();
Geometry leftFloor = PhysicsTestHelper.createMeshTestFloor(assetManager, 20, new Vector3f(-11, -5, -10));
addObject(leftFloor);
//Hide physics debug visualization for floors
if (physicsDebug) {
BulletDebugAppState bulletDebugAppState = stateManager.getState(BulletDebugAppState.class);
bulletDebugAppState.setFilter((Object obj) -> {
return !(obj.equals(leftFloor.getControl(RigidBodyControl.class)));
});
}
}
private void addObject(Spatial s) {
testObjects.add(s);
rootNode.attachChild(s);
physicsSpace().add(s);
}
private void dropTest() {
attachTestObject(new Cylinder(2, 16, 0.2f, 2f, true), new Vector3f(0f, 2f, -5f), 2);
attachTestObject(new Cylinder(2, 16, 0.2f, 2f, true), new Vector3f(-1f, 2f, -5f), 2);
attachTestObject(new Cylinder(2, 16, 0.2f, 2f, true), new Vector3f(-2f, 2f, -5f), 2);
attachTestObject(new Cylinder(2, 16, 0.2f, 2f, true), new Vector3f(-3f, 2f, -5f), 2);
}
private void attachTestObject(Mesh mesh, Vector3f position, float mass) {
Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
Geometry g = new Geometry("mesh", mesh);
g.setLocalTranslation(position);
g.setMaterial(material);
RigidBodyControl control = new RigidBodyControl(new GImpactCollisionShape(mesh), mass);
g.addControl(control);
addObject(g);
}
private PhysicsSpace physicsSpace() {
return bulletAppState.getPhysicsSpace();
}
@Override
public void simpleUpdate(float tpf) {
speedText.setText("Speed: " + String.format("%.1f", bulletSpeed));
}
private void cleanup() {
stateManager.detach(bulletAppState);
stateManager.detach(stateManager.getState(BulletDebugAppState.class));
for (Spatial s : testObjects) {
rootNode.detachChild(s);
}
}
}