Examples with Sphere com.jme3.scene.shape.Sphere used on opensource projects

Example 46 with Sphere

use of com.jme3.scene.shape.Sphere in project jmonkeyengine by jMonkeyEngine.

the class LightFilterTest method testPointFiltering.

@Test
public void testPointFiltering() {
    PointLight pl = new PointLight(Vector3f.ZERO);
    geom.addLight(pl);
    // Infinite point lights must never be filtered
    checkFilteredLights(1);
    // Light at origin does not intersect geom which is at Z=10
    pl.setRadius(1);
    checkFilteredLights(0);
    // Put it closer to geom, the very edge of the sphere touches the box.
    // Still not considered an intersection though.
    pl.setPosition(new Vector3f(0, 0, 8f));
    checkFilteredLights(0);
    // And more close - now its an intersection.
    pl.setPosition(new Vector3f(0, 0, 8f + FastMath.ZERO_TOLERANCE));
    checkFilteredLights(1);
    // Move the geometry away
    geom.move(0, 0, FastMath.ZERO_TOLERANCE);
    checkFilteredLights(0);
    // Test if the algorithm converts the sphere 
    // to a box before testing the collision (incorrect)
    float sqrt3 = FastMath.sqrt(3);
    pl.setPosition(new Vector3f(2, 2, 8));
    pl.setRadius(sqrt3);
    checkFilteredLights(0);
    // Make it a wee bit larger.
    pl.setRadius(sqrt3 + FastMath.ZERO_TOLERANCE);
    checkFilteredLights(1);
    // Rotate the camera so it is up, light is outside frustum.
    cam.lookAtDirection(Vector3f.UNIT_Y, Vector3f.UNIT_Y);
    checkFilteredLights(0);
    // ==================================
    // Tests for bounding Sphere
    geom.setModelBound(new BoundingSphere(1f, Vector3f.ZERO));
    geom.setLocalTranslation(0, 0, 2);
    pl.setPosition(new Vector3f(0, 0, 2f));
    // Infinite point lights must never be filtered
    pl.setRadius(0);
    checkFilteredLights(1);
    pl.setRadius(1f);
    // Put the light at the very close to the geom,
    // the very edge of the sphere touches the other bounding sphere
    // Still not considered an intersection though.
    pl.setPosition(new Vector3f(0, 0, 0));
    checkFilteredLights(0);
    // And more close - now its an intersection.
    pl.setPosition(new Vector3f(0, 0, 0f + FastMath.ZERO_TOLERANCE));
    checkFilteredLights(1);
    geom.setLocalTranslation(0, 0, 0);
    // In this case its an intersection for pointLight v. box
    // But not for pointLight v. sphere
    // Vector3f(0, 0.5f, 0.5f).normalize().mult(2) ~ >= (0.0, 1.4142135, 1.4142135)
    //pl.setPosition(new Vector3f(0, 0.5f, 0.5f).normalizeLocal().multLocal(2 + FastMath.ZERO_TOLERANCE));
    pl.setPosition(new Vector3f(0f, 1.4142135f, 1.4142135f).multLocal(1 + FastMath.ZERO_TOLERANCE));
    checkFilteredLights(0);
    // Make the distance a wee bit closer, now its an intersection
    //pl.setPosition(new Vector3f(0, 0.5f, 0.5f).normalizeLocal().multLocal(2 - FastMath.ZERO_TOLERANCE));
    pl.setPosition(new Vector3f(0f, 1.4142135f, 1.4142135f).multLocal(1 - FastMath.ZERO_TOLERANCE));
    checkFilteredLights(1);
    // it's a point light, also test for the other corner
    pl.setPosition(new Vector3f(0f, -1.4142135f, -1.4142135f).multLocal(1 - FastMath.ZERO_TOLERANCE));
    checkFilteredLights(0);
}

Example 47 with Sphere

use of com.jme3.scene.shape.Sphere in project jmonkeyengine by jMonkeyEngine.

the class TestBatchNodeTower method simpleInitApp.

@Override
public void simpleInitApp() {
    timer = new NanoTimer();
    bulletAppState = new BulletAppState();
    bulletAppState.setThreadingType(BulletAppState.ThreadingType.PARALLEL);
    //   bulletAppState.setEnabled(false);
    stateManager.attach(bulletAppState);
    bullet = new Sphere(32, 32, 0.4f, true, false);
    bullet.setTextureMode(TextureMode.Projected);
    bulletCollisionShape = new SphereCollisionShape(0.4f);
    brick = new Box(brickWidth, brickHeight, brickDepth);
    brick.scaleTextureCoordinates(new Vector2f(1f, .5f));
    //bulletAppState.getPhysicsSpace().enableDebug(assetManager);
    initMaterial();
    initTower();
    initFloor();
    initCrossHairs();
    this.cam.setLocation(new Vector3f(0, 25f, 8f));
    cam.lookAt(Vector3f.ZERO, new Vector3f(0, 1, 0));
    cam.setFrustumFar(80);
    inputManager.addMapping("shoot", new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
    inputManager.addListener(actionListener, "shoot");
    rootNode.setShadowMode(ShadowMode.Off);
    batchNode.batch();
    batchNode.setShadowMode(ShadowMode.CastAndReceive);
    rootNode.attachChild(batchNode);
    shadowRenderer = new DirectionalLightShadowFilter(assetManager, 1024, 2);
    DirectionalLight dl = new DirectionalLight();
    dl.setDirection(new Vector3f(-1, -1, -1).normalizeLocal());
    shadowRenderer.setLight(dl);
    shadowRenderer.setLambda(0.55f);
    shadowRenderer.setShadowIntensity(0.6f);
    shadowRenderer.setShadowCompareMode(CompareMode.Hardware);
    shadowRenderer.setEdgeFilteringMode(EdgeFilteringMode.PCF4);
    FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
    fpp.addFilter(shadowRenderer);
    viewPort.addProcessor(fpp);
}

Example 48 with Sphere

use of com.jme3.scene.shape.Sphere in project jmonkeyengine by jMonkeyEngine.

the class PhysicsTestHelper method createPhysicsTestWorld.

/**
     * creates a simple physics test world with a floor, an obstacle and some test boxes
     * @param rootNode
     * @param assetManager
     * @param space
     */
public static void createPhysicsTestWorld(Node rootNode, AssetManager assetManager, PhysicsSpace space) {
    AmbientLight light = new AmbientLight();
    light.setColor(ColorRGBA.LightGray);
    rootNode.addLight(light);
    Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    material.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
    Box floorBox = new Box(140, 0.25f, 140);
    Geometry floorGeometry = new Geometry("Floor", floorBox);
    floorGeometry.setMaterial(material);
    floorGeometry.setLocalTranslation(0, -5, 0);
    //        Plane plane = new Plane();
    //        plane.setOriginNormal(new Vector3f(0, 0.25f, 0), Vector3f.UNIT_Y);
    //        floorGeometry.addControl(new RigidBodyControl(new PlaneCollisionShape(plane), 0));
    floorGeometry.addControl(new RigidBodyControl(0));
    rootNode.attachChild(floorGeometry);
    space.add(floorGeometry);
    //movable boxes
    for (int i = 0; i < 12; i++) {
        Box box = new Box(0.25f, 0.25f, 0.25f);
        Geometry boxGeometry = new Geometry("Box", box);
        boxGeometry.setMaterial(material);
        boxGeometry.setLocalTranslation(i, 5, -3);
        //RigidBodyControl automatically uses box collision shapes when attached to single geometry with box mesh
        boxGeometry.addControl(new RigidBodyControl(2));
        rootNode.attachChild(boxGeometry);
        space.add(boxGeometry);
    }
    //immovable sphere with mesh collision shape
    Sphere sphere = new Sphere(8, 8, 1);
    Geometry sphereGeometry = new Geometry("Sphere", sphere);
    sphereGeometry.setMaterial(material);
    sphereGeometry.setLocalTranslation(4, -4, 2);
    sphereGeometry.addControl(new RigidBodyControl(new MeshCollisionShape(sphere), 0));
    rootNode.attachChild(sphereGeometry);
    space.add(sphereGeometry);
}

Example 49 with Sphere

use of com.jme3.scene.shape.Sphere in project jmonkeyengine by jMonkeyEngine.

the class TestBrickWall method addBrick.

public void addBrick(Vector3f ori) {
    Geometry reBoxg = new Geometry("brick", brick);
    reBoxg.setMaterial(mat);
    reBoxg.setLocalTranslation(ori);
    //for geometry with sphere mesh the physics system automatically uses a sphere collision shape
    reBoxg.addControl(new RigidBodyControl(1.5f));
    reBoxg.setShadowMode(ShadowMode.CastAndReceive);
    reBoxg.getControl(RigidBodyControl.class).setFriction(0.6f);
    this.rootNode.attachChild(reBoxg);
    this.getPhysicsSpace().add(reBoxg);
}

Example 50 with Sphere

use of com.jme3.scene.shape.Sphere in project jmonkeyengine by jMonkeyEngine.

the class TestCcd method simpleInitApp.

@Override
public void simpleInitApp() {
    bulletAppState = new BulletAppState();
    stateManager.attach(bulletAppState);
    bulletAppState.setDebugEnabled(true);
    bullet = new Sphere(32, 32, 0.4f, true, false);
    bullet.setTextureMode(TextureMode.Projected);
    bulletCollisionShape = new SphereCollisionShape(0.1f);
    setupKeys();
    mat = new Material(getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
    mat.getAdditionalRenderState().setWireframe(true);
    mat.setColor("Color", ColorRGBA.Green);
    mat2 = new Material(getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
    mat2.getAdditionalRenderState().setWireframe(true);
    mat2.setColor("Color", ColorRGBA.Red);
    // An obstacle mesh, does not move (mass=0)
    Node node2 = new Node();
    node2.setName("mesh");
    node2.setLocalTranslation(new Vector3f(2.5f, 0, 0f));
    node2.addControl(new RigidBodyControl(new MeshCollisionShape(new Box(4, 4, 0.1f)), 0));
    rootNode.attachChild(node2);
    getPhysicsSpace().add(node2);
    // The floor, does not move (mass=0)
    Node node3 = new Node();
    node3.setLocalTranslation(new Vector3f(0f, -6, 0f));
    node3.addControl(new RigidBodyControl(new BoxCollisionShape(new Vector3f(100, 1, 100)), 0));
    rootNode.attachChild(node3);
    getPhysicsSpace().add(node3);
}