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Diffstat (limited to 'engine/src/test/jme3test/bullet/TestFancyCar.java')
| -rw-r--r-- | engine/src/test/jme3test/bullet/TestFancyCar.java | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/engine/src/test/jme3test/bullet/TestFancyCar.java b/engine/src/test/jme3test/bullet/TestFancyCar.java new file mode 100644 index 0000000..9d9a6a5 --- /dev/null +++ b/engine/src/test/jme3test/bullet/TestFancyCar.java @@ -0,0 +1,265 @@ +/* + * Copyright (c) 2009-2010 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.bounding.BoundingBox; +import com.jme3.bullet.BulletAppState; +import com.jme3.bullet.PhysicsSpace; +import com.jme3.bullet.collision.shapes.CollisionShape; +import com.jme3.bullet.control.VehicleControl; +import com.jme3.bullet.objects.VehicleWheel; +import com.jme3.bullet.util.CollisionShapeFactory; +import com.jme3.input.KeyInput; +import com.jme3.input.controls.ActionListener; +import com.jme3.input.controls.KeyTrigger; +import com.jme3.light.DirectionalLight; +import com.jme3.math.FastMath; +import com.jme3.math.Matrix3f; +import com.jme3.math.Vector3f; +import com.jme3.renderer.queue.RenderQueue.ShadowMode; +import com.jme3.scene.Geometry; +import com.jme3.scene.Node; +import com.jme3.scene.Spatial; +import com.jme3.shadow.BasicShadowRenderer; + +public class TestFancyCar extends SimpleApplication implements ActionListener { + + private BulletAppState bulletAppState; + private VehicleControl player; + private VehicleWheel fr, fl, br, bl; + private Node node_fr, node_fl, node_br, node_bl; + private float wheelRadius; + private float steeringValue = 0; + private float accelerationValue = 0; + private Node carNode; + + public static void main(String[] args) { + TestFancyCar app = new TestFancyCar(); + app.start(); + } + + private void setupKeys() { + inputManager.addMapping("Lefts", new KeyTrigger(KeyInput.KEY_H)); + inputManager.addMapping("Rights", new KeyTrigger(KeyInput.KEY_K)); + inputManager.addMapping("Ups", new KeyTrigger(KeyInput.KEY_U)); + inputManager.addMapping("Downs", new KeyTrigger(KeyInput.KEY_J)); + inputManager.addMapping("Space", new KeyTrigger(KeyInput.KEY_SPACE)); + inputManager.addMapping("Reset", new KeyTrigger(KeyInput.KEY_RETURN)); + inputManager.addListener(this, "Lefts"); + inputManager.addListener(this, "Rights"); + inputManager.addListener(this, "Ups"); + inputManager.addListener(this, "Downs"); + inputManager.addListener(this, "Space"); + inputManager.addListener(this, "Reset"); + } + + @Override + public void simpleInitApp() { + bulletAppState = new BulletAppState(); + stateManager.attach(bulletAppState); +// bulletAppState.getPhysicsSpace().enableDebug(assetManager); + if (settings.getRenderer().startsWith("LWJGL")) { + BasicShadowRenderer bsr = new BasicShadowRenderer(assetManager, 512); + bsr.setDirection(new Vector3f(-0.5f, -0.3f, -0.3f).normalizeLocal()); + viewPort.addProcessor(bsr); + } + cam.setFrustumFar(150f); + flyCam.setMoveSpeed(10); + + setupKeys(); + PhysicsTestHelper.createPhysicsTestWorld(rootNode, assetManager, bulletAppState.getPhysicsSpace()); +// setupFloor(); + buildPlayer(); + + DirectionalLight dl = new DirectionalLight(); + dl.setDirection(new Vector3f(-0.5f, -1f, -0.3f).normalizeLocal()); + rootNode.addLight(dl); + + dl = new DirectionalLight(); + dl.setDirection(new Vector3f(0.5f, -0.1f, 0.3f).normalizeLocal()); + rootNode.addLight(dl); + } + + private PhysicsSpace getPhysicsSpace() { + return bulletAppState.getPhysicsSpace(); + } + +// public void setupFloor() { +// Material mat = assetManager.loadMaterial("Textures/Terrain/BrickWall/BrickWall.j3m"); +// mat.getTextureParam("DiffuseMap").getTextureValue().setWrap(WrapMode.Repeat); +//// mat.getTextureParam("NormalMap").getTextureValue().setWrap(WrapMode.Repeat); +//// mat.getTextureParam("ParallaxMap").getTextureValue().setWrap(WrapMode.Repeat); +// +// Box floor = new Box(Vector3f.ZERO, 140, 1f, 140); +// floor.scaleTextureCoordinates(new Vector2f(112.0f, 112.0f)); +// Geometry floorGeom = new Geometry("Floor", floor); +// floorGeom.setShadowMode(ShadowMode.Receive); +// floorGeom.setMaterial(mat); +// +// PhysicsNode tb = new PhysicsNode(floorGeom, new MeshCollisionShape(floorGeom.getMesh()), 0); +// tb.setLocalTranslation(new Vector3f(0f, -6, 0f)); +//// tb.attachDebugShape(assetManager); +// rootNode.attachChild(tb); +// getPhysicsSpace().add(tb); +// } + + private Geometry findGeom(Spatial spatial, String name) { + if (spatial instanceof Node) { + Node node = (Node) spatial; + for (int i = 0; i < node.getQuantity(); i++) { + Spatial child = node.getChild(i); + Geometry result = findGeom(child, name); + if (result != null) { + return result; + } + } + } else if (spatial instanceof Geometry) { + if (spatial.getName().startsWith(name)) { + return (Geometry) spatial; + } + } + return null; + } + + private void buildPlayer() { + float stiffness = 120.0f;//200=f1 car + float compValue = 0.2f; //(lower than damp!) + float dampValue = 0.3f; + final float mass = 400; + + //Load model and get chassis Geometry + carNode = (Node)assetManager.loadModel("Models/Ferrari/Car.scene"); + carNode.setShadowMode(ShadowMode.Cast); + Geometry chasis = findGeom(carNode, "Car"); + BoundingBox box = (BoundingBox) chasis.getModelBound(); + + //Create a hull collision shape for the chassis + CollisionShape carHull = CollisionShapeFactory.createDynamicMeshShape(chasis); + + //Create a vehicle control + player = new VehicleControl(carHull, mass); + carNode.addControl(player); + + //Setting default values for wheels + player.setSuspensionCompression(compValue * 2.0f * FastMath.sqrt(stiffness)); + player.setSuspensionDamping(dampValue * 2.0f * FastMath.sqrt(stiffness)); + player.setSuspensionStiffness(stiffness); + player.setMaxSuspensionForce(10000); + + //Create four wheels and add them at their locations + //note that our fancy car actually goes backwards.. + Vector3f wheelDirection = new Vector3f(0, -1, 0); + Vector3f wheelAxle = new Vector3f(-1, 0, 0); + + Geometry wheel_fr = findGeom(carNode, "WheelFrontRight"); + wheel_fr.center(); + box = (BoundingBox) wheel_fr.getModelBound(); + wheelRadius = box.getYExtent(); + float back_wheel_h = (wheelRadius * 1.7f) - 1f; + float front_wheel_h = (wheelRadius * 1.9f) - 1f; + player.addWheel(wheel_fr.getParent(), box.getCenter().add(0, -front_wheel_h, 0), + wheelDirection, wheelAxle, 0.2f, wheelRadius, true); + + Geometry wheel_fl = findGeom(carNode, "WheelFrontLeft"); + wheel_fl.center(); + box = (BoundingBox) wheel_fl.getModelBound(); + player.addWheel(wheel_fl.getParent(), box.getCenter().add(0, -front_wheel_h, 0), + wheelDirection, wheelAxle, 0.2f, wheelRadius, true); + + Geometry wheel_br = findGeom(carNode, "WheelBackRight"); + wheel_br.center(); + box = (BoundingBox) wheel_br.getModelBound(); + player.addWheel(wheel_br.getParent(), box.getCenter().add(0, -back_wheel_h, 0), + wheelDirection, wheelAxle, 0.2f, wheelRadius, false); + + Geometry wheel_bl = findGeom(carNode, "WheelBackLeft"); + wheel_bl.center(); + box = (BoundingBox) wheel_bl.getModelBound(); + player.addWheel(wheel_bl.getParent(), box.getCenter().add(0, -back_wheel_h, 0), + wheelDirection, wheelAxle, 0.2f, wheelRadius, false); + + player.getWheel(2).setFrictionSlip(4); + player.getWheel(3).setFrictionSlip(4); + + rootNode.attachChild(carNode); + getPhysicsSpace().add(player); + } + + public void onAction(String binding, boolean value, float tpf) { + if (binding.equals("Lefts")) { + if (value) { + steeringValue += .5f; + } else { + steeringValue += -.5f; + } + player.steer(steeringValue); + } else if (binding.equals("Rights")) { + if (value) { + steeringValue += -.5f; + } else { + steeringValue += .5f; + } + player.steer(steeringValue); + } //note that our fancy car actually goes backwards.. + else if (binding.equals("Ups")) { + if (value) { + accelerationValue -= 800; + } else { + accelerationValue += 800; + } + player.accelerate(accelerationValue); + player.setCollisionShape(CollisionShapeFactory.createDynamicMeshShape(findGeom(carNode, "Car"))); + } else if (binding.equals("Downs")) { + if (value) { + player.brake(40f); + } else { + player.brake(0f); + } + } else if (binding.equals("Reset")) { + if (value) { + System.out.println("Reset"); + player.setPhysicsLocation(Vector3f.ZERO); + player.setPhysicsRotation(new Matrix3f()); + player.setLinearVelocity(Vector3f.ZERO); + player.setAngularVelocity(Vector3f.ZERO); + player.resetSuspension(); + } else { + } + } + } + + @Override + public void simpleUpdate(float tpf) { + cam.lookAt(carNode.getWorldTranslation(), Vector3f.UNIT_Y); + } +} |