GImpactShape Test Added (#1117)
* GImpactShape Test Added * GImpactShape Test Updates (WIP) * Minor tweaks based on feedback * Minor corrections + documentation added * Final tweaksaccellbaker
Lou H
5 years ago
committed by
Stephen Gold
parent
cff4dec57d
commit
8856ba7d25
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/* |
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* Copyright (c) 2009-2019 jMonkeyEngine |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* * Neither the name of 'jMonkeyEngine' nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package jme3test.bullet.shape; |
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|
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import com.jme3.app.SimpleApplication; |
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import com.jme3.bullet.BulletAppState; |
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import com.jme3.bullet.PhysicsSpace; |
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import com.jme3.bullet.collision.shapes.GImpactCollisionShape; |
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import com.jme3.bullet.control.RigidBodyControl; |
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import com.jme3.bullet.debug.BulletDebugAppState; |
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import com.jme3.font.BitmapFont; |
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import com.jme3.font.BitmapText; |
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import com.jme3.input.KeyInput; |
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import com.jme3.input.controls.ActionListener; |
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import com.jme3.input.controls.KeyTrigger; |
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import com.jme3.light.DirectionalLight; |
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import com.jme3.material.Material; |
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import com.jme3.math.ColorRGBA; |
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import com.jme3.math.FastMath; |
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import com.jme3.math.Vector3f; |
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import com.jme3.scene.Geometry; |
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import com.jme3.scene.Mesh; |
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import com.jme3.scene.Node; |
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import com.jme3.scene.Spatial; |
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import com.jme3.scene.shape.PQTorus; |
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import com.jme3.scene.shape.Torus; |
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import com.jme3.system.AppSettings; |
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import java.util.ArrayList; |
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import java.util.List; |
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import jme3test.bullet.PhysicsTestHelper; |
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|
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/** |
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* This test demonstrates various GImpactCollisionShapes colliding against two identical curved surfaces. The |
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* left surface is a MeshCollisionShape, right surface is another GImpactCollisionShape. An ideal result is |
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* for all objects to land and change to a blue colored mesh indicating they are inactive. Falling through the |
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* floor, or never going inactive (bouncing forever) are failure conditions. |
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* <p> |
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* Observations as of June 2019 (JME v3.3.0-alpha2): |
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* <ol> |
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* <li> |
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* With default starting parameters, Native Bullet should pass the test parameters above. JBullet fails due to |
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* the rocket/MeshCollisionShape never going inactive. |
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* </li> |
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* <li> |
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* Native Bullet behaves better than JBullet. JBullet sometimes allows objects to "gain too much energy" after |
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* a collision, such as the rocket or teapot. Native also does this, to a lesser degree. This generally |
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* appears to happen at larger object scales. |
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* </li> |
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* <li> |
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* JBullet allows some objects to get "stuck" inside the floor, which usually results in a fall-through |
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* eventually, generally a larger scales for this test. |
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* </li> |
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* <li> |
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* Some shapes such as PQTorus & signpost never go inactive at larger scales for both Native and JBullet (test |
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* at 1.5 and 1.9 scale) |
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* </li> |
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* </ol> |
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* |
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* @author lou |
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*/ |
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public class TestGimpactShape extends SimpleApplication { |
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private static TestGimpactShape test; |
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private BulletAppState bulletAppState; |
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private int solverNumIterations = 10; |
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private BitmapFont font; |
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private final BitmapText[] testInfo = new BitmapText[2]; |
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private BitmapText timeElapsedTxt; |
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private BitmapText solverNumIterationsTxt; |
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private BitmapText testScale; |
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private final List<Spatial> testObjects = new ArrayList<>(); |
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private float testTimer = 0; |
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private float scaleMod = 1; |
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private boolean restart = true; |
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private static final boolean SKIP_SETTINGS = false;//Used for repeated runs of this test during dev
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public static void main(String[] args) { |
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test = new TestGimpactShape(); |
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test.setSettings(new AppSettings(true)); |
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test.settings.setFrameRate(60); |
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if (SKIP_SETTINGS) { |
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test.settings.setWidth(1920); |
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test.settings.setHeight(1150); |
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test.showSettings = !SKIP_SETTINGS; |
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} |
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test.start(); |
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} |
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@Override |
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public void simpleInitApp() { |
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getCamera().setLocation(new Vector3f(40, 30, 160)); |
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getCamera().lookAt(new Vector3f(40, -5, 0), Vector3f.UNIT_Y); |
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getFlyByCamera().setMoveSpeed(25); |
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|
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DirectionalLight dl = new DirectionalLight(); |
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dl.setDirection(new Vector3f(-1, -1, -1).normalizeLocal()); |
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dl.setColor(ColorRGBA.Green); |
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rootNode.addLight(dl); |
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|
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//Setup test instructions
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guiNode = getGuiNode(); |
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font = assetManager.loadFont("Interface/Fonts/Default.fnt"); |
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testInfo[0] = new BitmapText(font); |
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testInfo[1] = new BitmapText(font); |
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timeElapsedTxt = new BitmapText(font); |
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solverNumIterationsTxt = new BitmapText(font); |
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testScale = new BitmapText(font); |
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|
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float lineHeight = testInfo[0].getLineHeight(); |
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testInfo[0].setText("Camera move:W/A/S/D/Q/Z Solver iterations: 1=10, 2=20, 3=30"); |
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testInfo[0].setLocalTranslation(5, test.settings.getHeight(), 0); |
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guiNode.attachChild(testInfo[0]); |
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testInfo[1].setText("P: Toggle pause Inc/Dec object scale: +, - Space: Restart test"); |
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testInfo[1].setLocalTranslation(5, test.settings.getHeight() - lineHeight, 0); |
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guiNode.attachChild(testInfo[1]); |
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timeElapsedTxt.setLocalTranslation(202, lineHeight * 1, 0); |
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guiNode.attachChild(timeElapsedTxt); |
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solverNumIterationsTxt.setLocalTranslation(202, lineHeight * 2, 0); |
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guiNode.attachChild(solverNumIterationsTxt); |
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testScale.setLocalTranslation(202, lineHeight * 3, 0); |
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guiNode.attachChild(testScale); |
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//Setup interactive test controls
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inputManager.addMapping("restart", new KeyTrigger(KeyInput.KEY_SPACE)); |
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inputManager.addListener((ActionListener) (String name, boolean isPressed, float tpf) -> { |
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restart = true; |
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}, "restart"); |
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inputManager.addMapping("pause", new KeyTrigger(KeyInput.KEY_P)); |
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inputManager.addListener((ActionListener) (String name, boolean isPressed, float tpf) -> { |
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if (!isPressed) { |
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return; |
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} |
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bulletAppState.setSpeed(bulletAppState.getSpeed() > 0.1 ? 0 : 1); |
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}, "pause"); |
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inputManager.addMapping("1", new KeyTrigger(KeyInput.KEY_1)); |
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inputManager.addMapping("2", new KeyTrigger(KeyInput.KEY_2)); |
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inputManager.addMapping("3", new KeyTrigger(KeyInput.KEY_3)); |
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inputManager.addMapping("+", new KeyTrigger(KeyInput.KEY_ADD), new KeyTrigger(KeyInput.KEY_EQUALS)); |
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inputManager.addMapping("-", new KeyTrigger(KeyInput.KEY_SUBTRACT), new KeyTrigger(KeyInput.KEY_MINUS)); |
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inputManager.addListener((ActionListener) (String name, boolean isPressed, float tpf) -> { |
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if (!isPressed) { |
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return; |
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} |
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switch (name) { |
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case "1": |
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solverNumIterations = 10; |
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break; |
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case "2": |
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solverNumIterations = 20; |
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break; |
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case "3": |
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solverNumIterations = 30; |
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break; |
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case "+": |
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scaleMod += scaleMod < 1.9f ? 0.1f : 0; |
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break; |
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case "-": |
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scaleMod -= scaleMod > 0.5f ? 0.1f : 0; |
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break; |
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} |
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restart = true; |
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}, "1", "2", "3", "+", "-"); |
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initializeNewTest(); |
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} |
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private void initializeNewTest() { |
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testScale.setText("Object scale: " + String.format("%.1f", scaleMod)); |
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solverNumIterationsTxt.setText("Solver Iterations: " + solverNumIterations); |
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bulletAppState = new BulletAppState(); |
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bulletAppState.setDebugEnabled(true); |
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stateManager.attach(bulletAppState); |
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bulletAppState.getPhysicsSpace().setSolverNumIterations(solverNumIterations); |
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float floorSize = 80; |
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//Left side test - GImpact objects collide with MeshCollisionShape floor
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Vector3f leftFloorPos = new Vector3f(-41, -5, -10); |
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Vector3f leftFloorCenter = leftFloorPos.add(floorSize / 2, 0, floorSize / 2); |
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dropTest1(leftFloorCenter); |
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dropTest2(leftFloorCenter); |
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dropPot(leftFloorCenter); |
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dropSword(leftFloorCenter); |
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dropSign(leftFloorCenter); |
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dropRocket(leftFloorCenter); |
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Geometry leftFloor = PhysicsTestHelper.createMeshTestFloor(assetManager, floorSize, leftFloorPos); |
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addObject(leftFloor); |
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//Right side test - GImpact objects collide with GImpact floor
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Vector3f rightFloorPos = new Vector3f(41, -5, -10); |
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Vector3f rightFloorCenter = rightFloorPos.add(floorSize / 2, 0, floorSize / 2); |
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dropTest1(rightFloorCenter); |
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dropTest2(rightFloorCenter); |
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dropPot(rightFloorCenter); |
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dropSword(rightFloorCenter); |
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dropSign(rightFloorCenter); |
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dropRocket(rightFloorCenter); |
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Geometry rightFloor = PhysicsTestHelper.createGImpactTestFloor(assetManager, floorSize, rightFloorPos); |
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addObject(rightFloor); |
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//Hide physics debug visualization for floors
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BulletDebugAppState bulletDebugAppState = stateManager.getState(BulletDebugAppState.class); |
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bulletDebugAppState.setFilter((Object obj) -> { |
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return !(obj.equals(rightFloor.getControl(RigidBodyControl.class)) |
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|| obj.equals(leftFloor.getControl(RigidBodyControl.class))); |
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}); |
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} |
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private void addObject(Spatial s) { |
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testObjects.add(s); |
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rootNode.attachChild(s); |
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physicsSpace().add(s); |
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} |
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private void dropTest1(Vector3f offset) { |
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offset = offset.add(-18, 6, -18); |
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attachTestObject(new Torus(16, 16, 0.15f, 0.5f), new Vector3f(-12f, 0f, 5f).add(offset), 1); |
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attachTestObject(new PQTorus(2f, 3f, 0.6f, 0.2f, 48, 16), new Vector3f(0, 0, 0).add(offset), 5); |
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} |
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private void dropTest2(Vector3f offset) { |
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offset = offset.add(18, 6, -18); |
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attachTestObject(new Torus(16, 16, 0.3f, 0.8f), new Vector3f(12f, 0f, 5f).add(offset), 3); |
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attachTestObject(new PQTorus(3f, 5f, 0.8f, 0.2f, 96, 16), new Vector3f(0, 0, 0).add(offset), 10); |
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} |
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private void dropPot(Vector3f offset) { |
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drop(offset.add(-12, 7, 15), "Models/Teapot/Teapot.mesh.xml", 1.0f, 2); |
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} |
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private void dropSword(Vector3f offset) { |
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drop(offset.add(-10, 5, 3), "Models/Sinbad/Sword.mesh.xml", 1.0f, 2); |
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} |
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private void dropSign(Vector3f offset) { |
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drop(offset.add(9, 15, 5), "Models/Sign Post/Sign Post.mesh.xml", 1.0f, 1); |
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} |
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private void dropRocket(Vector3f offset) { |
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RigidBodyControl c = drop(offset.add(26, 4, 7), "Models/SpaceCraft/Rocket.mesh.xml", 4.0f, 3); |
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c.setAngularDamping(0.5f); |
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c.setLinearDamping(0.5f); |
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} |
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private RigidBodyControl drop(Vector3f offset, String model, float scale, float mass) { |
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scale *= scaleMod; |
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Node n = (Node) assetManager.loadModel(model); |
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n.setLocalTranslation(offset); |
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n.rotate(0, 0, -FastMath.HALF_PI); |
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Geometry tp = ((Geometry) n.getChild(0)); |
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tp.scale(scale); |
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Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md"); |
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tp.setMaterial(mat); |
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Mesh mesh = tp.getMesh(); |
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GImpactCollisionShape shape = new GImpactCollisionShape(mesh); |
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shape.setScale(new Vector3f(scale, scale, scale)); |
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RigidBodyControl control = new RigidBodyControl(shape, mass); |
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n.addControl(control); |
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addObject(n); |
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return control; |
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} |
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private void attachTestObject(Mesh mesh, Vector3f position, float mass) { |
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Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md"); |
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material.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg")); |
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Geometry g = new Geometry("mesh", mesh); |
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g.scale(scaleMod); |
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g.setLocalTranslation(position); |
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g.setMaterial(material); |
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GImpactCollisionShape shape = new GImpactCollisionShape(mesh); |
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shape.setScale(new Vector3f(scaleMod, scaleMod, scaleMod)); |
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RigidBodyControl control = new RigidBodyControl(shape, mass); |
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g.addControl(control); |
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addObject(g); |
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} |
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private PhysicsSpace physicsSpace() { |
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return bulletAppState.getPhysicsSpace(); |
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} |
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@Override |
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public void simpleUpdate(float tpf) { |
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testTimer += tpf * bulletAppState.getSpeed(); |
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if (restart) { |
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cleanup(); |
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initializeNewTest(); |
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restart = false; |
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testTimer = 0; |
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} |
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timeElapsedTxt.setText("Time Elapsed: " + String.format("%.3f", testTimer)); |
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} |
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private void cleanup() { |
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stateManager.detach(bulletAppState); |
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stateManager.detach(stateManager.getState(BulletDebugAppState.class)); |
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for (Spatial s : testObjects) { |
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rootNode.detachChild(s); |
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} |
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} |
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} |
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