Examples with BoundingBox com.jme3.bounding.BoundingBox used on opensource projects

Example 16 with BoundingBox

use of com.jme3.bounding.BoundingBox in project jmonkeyengine by jMonkeyEngine.

the class TestFancyCar method buildPlayer.

private void buildPlayer() {
    //200=f1 car
    float stiffness = 120.0f;
    //(lower than damp!)
    float compValue = 0.2f;
    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);
}

Example 17 with BoundingBox

use of com.jme3.bounding.BoundingBox in project jmonkeyengine by jMonkeyEngine.

the class TestBatchNode method updateBoindPoints.

//    
public void updateBoindPoints(Vector3f[] points) {
    BoundingBox bb = (BoundingBox) batch.getWorldBound();
    float xe = bb.getXExtent();
    float ye = bb.getYExtent();
    float ze = bb.getZExtent();
    float x = bb.getCenter().x;
    float y = bb.getCenter().y;
    float z = bb.getCenter().z;
    points[0].set(new Vector3f(x - xe, y - ye, z - ze));
    points[1].set(new Vector3f(x - xe, y + ye, z - ze));
    points[2].set(new Vector3f(x + xe, y + ye, z - ze));
    points[3].set(new Vector3f(x + xe, y - ye, z - ze));
    points[4].set(new Vector3f(x + xe, y - ye, z + ze));
    points[5].set(new Vector3f(x - xe, y - ye, z + ze));
    points[6].set(new Vector3f(x - xe, y + ye, z + ze));
    points[7].set(new Vector3f(x + xe, y + ye, z + ze));
}

Example 18 with BoundingBox

use of com.jme3.bounding.BoundingBox in project jmonkeyengine by jMonkeyEngine.

the class TestHoveringTank method makeMissile.

public void makeMissile() {
    Vector3f pos = spaceCraft.getWorldTranslation().clone();
    Quaternion rot = spaceCraft.getWorldRotation();
    Vector3f dir = rot.getRotationColumn(2);
    Spatial missile = assetManager.loadModel("Models/SpaceCraft/Rocket.mesh.xml");
    missile.scale(0.5f);
    missile.rotate(0, FastMath.PI, 0);
    missile.updateGeometricState();
    BoundingBox box = (BoundingBox) missile.getWorldBound();
    final Vector3f extent = box.getExtent(null);
    BoxCollisionShape boxShape = new BoxCollisionShape(extent);
    missile.setName("Missile");
    missile.rotate(rot);
    missile.setLocalTranslation(pos.addLocal(0, extent.y * 4.5f, 0));
    missile.setLocalRotation(hoverControl.getPhysicsRotation());
    missile.setShadowMode(ShadowMode.Cast);
    RigidBodyControl control = new BombControl(assetManager, boxShape, 20);
    control.setLinearVelocity(dir.mult(100));
    control.setCollisionGroup(PhysicsCollisionObject.COLLISION_GROUP_03);
    missile.addControl(control);
    rootNode.attachChild(missile);
    getPhysicsSpace().add(missile);
}

Example 19 with BoundingBox

use of com.jme3.bounding.BoundingBox in project jmonkeyengine by jMonkeyEngine.

the class TerrainTestAdvanced method createAxisMarker.

protected Node createAxisMarker(float arrowSize) {
    Material redMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    redMat.getAdditionalRenderState().setWireframe(true);
    redMat.setColor("Color", ColorRGBA.Red);
    Material greenMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    greenMat.getAdditionalRenderState().setWireframe(true);
    greenMat.setColor("Color", ColorRGBA.Green);
    Material blueMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    blueMat.getAdditionalRenderState().setWireframe(true);
    blueMat.setColor("Color", ColorRGBA.Blue);
    Node axis = new Node();
    // create arrows
    Geometry arrowX = new Geometry("arrowX", new Arrow(new Vector3f(arrowSize, 0, 0)));
    arrowX.setMaterial(redMat);
    Geometry arrowY = new Geometry("arrowY", new Arrow(new Vector3f(0, arrowSize, 0)));
    arrowY.setMaterial(greenMat);
    Geometry arrowZ = new Geometry("arrowZ", new Arrow(new Vector3f(0, 0, arrowSize)));
    arrowZ.setMaterial(blueMat);
    axis.attachChild(arrowX);
    axis.attachChild(arrowY);
    axis.attachChild(arrowZ);
    //axis.setModelBound(new BoundingBox());
    return axis;
}

Example 20 with BoundingBox

use of com.jme3.bounding.BoundingBox in project jmonkeyengine by jMonkeyEngine.

the class TestTexture3D method simpleInitApp.

@Override
public void simpleInitApp() {
    //mouseInput.setCursorVisible(true);
    flyCam.setMoveSpeed(10);
    //creating a sphere
    Sphere sphere = new Sphere(32, 32, 1);
    //getting the boundingbox
    sphere.updateBound();
    BoundingBox bb = (BoundingBox) sphere.getBound();
    Vector3f min = bb.getMin(null);
    float[] ext = new float[] { bb.getXExtent() * 2, bb.getYExtent() * 2, bb.getZExtent() * 2 };
    //we need to change the UV coordinates (the sphere is assumet to be inside the 3D image box)
    sphere.clearBuffer(Type.TexCoord);
    VertexBuffer vb = sphere.getBuffer(Type.Position);
    FloatBuffer fb = (FloatBuffer) vb.getData();
    float[] uvCoordinates = BufferUtils.getFloatArray(fb);
    //now transform the coordinates so that they are in the range of <0; 1>
    for (int i = 0; i < uvCoordinates.length; i += 3) {
        uvCoordinates[i] = (uvCoordinates[i] - min.x) / ext[0];
        uvCoordinates[i + 1] = (uvCoordinates[i + 1] - min.y) / ext[1];
        uvCoordinates[i + 2] = (uvCoordinates[i + 2] - min.z) / ext[2];
    }
    //apply new texture coordinates
    VertexBuffer uvCoordsBuffer = new VertexBuffer(Type.TexCoord);
    uvCoordsBuffer.setupData(Usage.Static, 3, com.jme3.scene.VertexBuffer.Format.Float, BufferUtils.createFloatBuffer(uvCoordinates));
    sphere.setBuffer(uvCoordsBuffer);
    //create geometry, and apply material and our 3D texture
    Geometry g = new Geometry("sphere", sphere);
    Material material = new Material(assetManager, "jme3test/texture/tex3D.j3md");
    try {
        Texture texture = this.getTexture();
        material.setTexture("Texture", texture);
    } catch (IOException e) {
        e.printStackTrace();
    }
    g.setMaterial(material);
    rootNode.attachChild(g);
    //add some light so that it is visible
    PointLight light = new PointLight();
    light.setColor(ColorRGBA.White);
    light.setPosition(new Vector3f(5, 5, 5));
    light.setRadius(20);
    rootNode.addLight(light);
    light = new PointLight();
    light.setColor(ColorRGBA.White);
    light.setPosition(new Vector3f(-5, -5, -5));
    light.setRadius(20);
    rootNode.addLight(light);
}