Examples with Quaternion com.jme3.math.Quaternion used on opensource projects

Example 51 with Quaternion

use of com.jme3.math.Quaternion in project jmonkeyengine by jMonkeyEngine.

the class SceneLoader method endElement.

@Override
public void endElement(String uri, String name, String qName) throws SAXException {
    if (qName.equals("node")) {
        node = node.getParent();
    } else if (qName.equals("nodes")) {
        node = null;
    } else if (qName.equals("entity")) {
        node = entityNode.getParent();
        entityNode = null;
    } else if (qName.equals("camera")) {
        node = cameraNode.getParent();
        cameraNode = null;
    } else if (qName.equals("light")) {
        // apply the node's world transform on the light..
        root.updateGeometricState();
        if (light != null) {
            if (light instanceof DirectionalLight) {
                DirectionalLight dl = (DirectionalLight) light;
                Quaternion q = node.getWorldRotation();
                Vector3f dir = dl.getDirection();
                q.multLocal(dir);
                dl.setDirection(dir);
            } else if (light instanceof PointLight) {
                PointLight pl = (PointLight) light;
                Vector3f pos = node.getWorldTranslation();
                pl.setPosition(pos);
            } else if (light instanceof SpotLight) {
                SpotLight sl = (SpotLight) light;
                Vector3f pos = node.getWorldTranslation();
                sl.setPosition(pos);
                Quaternion q = node.getWorldRotation();
                Vector3f dir = sl.getDirection();
                q.multLocal(dir);
                sl.setDirection(dir);
            }
        }
        light = null;
    }
    checkTopNode(qName);
    elementStack.pop();
}

Example 52 with Quaternion

use of com.jme3.math.Quaternion in project jmonkeyengine by jMonkeyEngine.

the class SceneLoader method startElement.

@Override
public void startElement(String uri, String localName, String qName, Attributes attribs) throws SAXException {
    if (qName.equals("scene")) {
        if (elementStack.size() != 0) {
            throw new SAXException("dotScene parse error: 'scene' element must be the root XML element");
        }
        String version = attribs.getValue("formatVersion");
        if (version == null || (!version.equals("1.0.0") && !version.equals("1.0.1"))) {
            logger.log(Level.WARNING, "Unrecognized version number" + " in dotScene file: {0}", version);
        }
    } else if (qName.equals("nodes")) {
        if (root != null) {
            throw new SAXException("dotScene parse error: nodes element was specified twice");
        }
        if (sceneName == null) {
            root = new com.jme3.scene.Node("OgreDotScene" + (++sceneIdx));
        } else {
            root = new com.jme3.scene.Node(sceneName + "-scene_node");
        }
        node = root;
    } else if (qName.equals("externals")) {
        checkTopNode("scene");
    } else if (qName.equals("item")) {
        checkTopNode("externals");
    } else if (qName.equals("file")) {
        checkTopNode("item");
    // NOTE: This part of the file is ignored, it is parsed
    // by SceneMaterialLoader in the first pass.
    } else if (qName.equals("node")) {
        String curElement = elementStack.peek();
        if (!curElement.equals("node") && !curElement.equals("nodes")) {
            throw new SAXException("dotScene parse error: " + "node element can only appear under 'node' or 'nodes'");
        }
        parseNode(attribs);
    } else if (qName.equals("property")) {
        if (node != null) {
            String type = attribs.getValue("type");
            String name = attribs.getValue("name");
            String data = attribs.getValue("data");
            if (type.equals("BOOL")) {
                node.setUserData(name, Boolean.parseBoolean(data) || data.equals("1"));
            } else if (type.equals("FLOAT")) {
                node.setUserData(name, Float.parseFloat(data));
            } else if (type.equals("STRING")) {
                node.setUserData(name, data);
            } else if (type.equals("INT")) {
                node.setUserData(name, Integer.parseInt(data));
            }
        }
    } else if (qName.equals("entity")) {
        checkTopNode("node");
        parseEntity(attribs);
    } else if (qName.equals("camera")) {
        checkTopNode("node");
        parseCamera(attribs);
    } else if (qName.equals("clipping")) {
        checkTopNode("camera");
        parseCameraClipping(attribs);
    } else if (qName.equals("position")) {
        if (elementStack.peek().equals("node")) {
            node.setLocalTranslation(SAXUtil.parseVector3(attribs));
        } else if (elementStack.peek().equals("camera")) {
            cameraNode.setLocalTranslation(SAXUtil.parseVector3(attribs));
        }
    } else if (qName.equals("quaternion") || qName.equals("rotation")) {
        node.setLocalRotation(parseQuat(attribs));
    } else if (qName.equals("scale")) {
        node.setLocalScale(SAXUtil.parseVector3(attribs));
    } else if (qName.equals("light")) {
        parseLight(attribs);
    } else if (qName.equals("colourDiffuse") || qName.equals("colorDiffuse")) {
        if (elementStack.peek().equals("light")) {
            if (light != null) {
                light.setColor(parseColor(attribs));
            }
        } else {
            checkTopNode("environment");
        }
    } else if (qName.equals("colourAmbient") || qName.equals("colorAmbient")) {
        if (elementStack.peek().equals("environment")) {
            ColorRGBA color = parseColor(attribs);
            if (!color.equals(ColorRGBA.Black) && !color.equals(ColorRGBA.BlackNoAlpha)) {
                // Lets add an ambient light to the scene.
                AmbientLight al = new AmbientLight();
                al.setColor(color);
                root.addLight(al);
            }
        }
    } else if (qName.equals("normal") || qName.equals("direction")) {
        checkTopNode("light");
        parseLightNormal(attribs);
    } else if (qName.equals("lightAttenuation")) {
        parseLightAttenuation(attribs);
    } else if (qName.equals("spotLightRange") || qName.equals("lightRange")) {
        parseLightSpotLightRange(attribs);
    }
    elementStack.push(qName);
}

Example 53 with Quaternion

use of com.jme3.math.Quaternion in project jmonkeyengine by jMonkeyEngine.

the class BoneContext method buildBone.

/**
     * This method builds the bone. It recursively builds the bone's children.
     * 
     * @param bones
     *            a list of bones where the newly created bone will be added
     * @param skeletonOwnerOma
     *            the spatial of the object that will own the skeleton
     * @param blenderContext
     *            the blender context
     * @return newly created bone
     */
public Bone buildBone(List<Bone> bones, Long skeletonOwnerOma, BlenderContext blenderContext) {
    this.skeletonOwnerOma = skeletonOwnerOma;
    Long boneOMA = boneStructure.getOldMemoryAddress();
    bone = new Bone(boneName);
    bones.add(bone);
    blenderContext.addLoadedFeatures(boneOMA, LoadedDataType.STRUCTURE, boneStructure);
    blenderContext.addLoadedFeatures(boneOMA, LoadedDataType.FEATURE, bone);
    ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
    Structure skeletonOwnerObjectStructure = (Structure) blenderContext.getLoadedFeature(skeletonOwnerOma, LoadedDataType.STRUCTURE);
    // I could load 'imat' here, but apparently in some older blenders there were bugs or unfinished functionalities that stored ZERO matrix in imat field
    // loading 'obmat' and inverting it makes us avoid errors in such cases
    Matrix4f invertedObjectOwnerGlobalMatrix = objectHelper.getMatrix(skeletonOwnerObjectStructure, "obmat", blenderContext.getBlenderKey().isFixUpAxis()).invertLocal();
    if (objectHelper.isParent(skeletonOwnerOma, armatureObjectOMA)) {
        boneMatrixInModelSpace = globalBoneMatrix.mult(invertedObjectOwnerGlobalMatrix);
    } else {
        boneMatrixInModelSpace = invertedObjectOwnerGlobalMatrix.mult(globalBoneMatrix);
    }
    Matrix4f boneLocalMatrix = parent == null ? boneMatrixInModelSpace : parent.boneMatrixInModelSpace.invert().multLocal(boneMatrixInModelSpace);
    Vector3f poseLocation = parent == null || !this.is(CONNECTED_TO_PARENT) ? boneLocalMatrix.toTranslationVector() : new Vector3f(0, parent.length, 0);
    Quaternion rotation = boneLocalMatrix.toRotationQuat().normalizeLocal();
    Vector3f scale = boneLocalMatrix.toScaleVector();
    bone.setBindTransforms(poseLocation, rotation, scale);
    for (BoneContext child : children) {
        bone.addChild(child.buildBone(bones, skeletonOwnerOma, blenderContext));
    }
    return bone;
}

Example 54 with Quaternion

use of com.jme3.math.Quaternion in project jmonkeyengine by jMonkeyEngine.

the class CurvesHelper method transformToFirstLineOfBevelPoints.

/**
     * This method transforms the first line of the bevel points positioning it
     * on the first point of the curve.
     * 
     * @param startingLinePoints
     *            the vbevel shape points
     * @param firstCurvePoint
     *            the first curve's point
     * @param secondCurvePoint
     *            the second curve's point
     * @return points of transformed bevel
     */
protected Vector3f[] transformToFirstLineOfBevelPoints(Vector3f[] startingLinePoints, Vector3f firstCurvePoint, Vector3f secondCurvePoint) {
    Vector3f planeNormal = secondCurvePoint.subtract(firstCurvePoint).normalizeLocal();
    float angle = FastMath.acos(planeNormal.dot(Vector3f.UNIT_X));
    Vector3f rotationVector = Vector3f.UNIT_X.cross(planeNormal).normalizeLocal();
    Matrix4f m = new Matrix4f();
    m.setRotationQuaternion(new Quaternion().fromAngleAxis(angle, rotationVector));
    m.setTranslation(firstCurvePoint);
    Vector3f temp = new Vector3f();
    Vector3f[] verts = new Vector3f[startingLinePoints.length];
    for (int i = 0; i < verts.length; ++i) {
        verts[i] = m.mult(startingLinePoints[i], temp).clone();
    }
    return verts;
}

Example 55 with Quaternion

use of com.jme3.math.Quaternion in project jmonkeyengine by jMonkeyEngine.

the class TestBoneRagdoll method simpleInitApp.

public void simpleInitApp() {
    initCrossHairs();
    initMaterial();
    cam.setLocation(new Vector3f(0.26924422f, 6.646658f, 22.265987f));
    cam.setRotation(new Quaternion(-2.302544E-4f, 0.99302495f, -0.117888905f, -0.0019395084f));
    bulletAppState = new BulletAppState();
    bulletAppState.setEnabled(true);
    stateManager.attach(bulletAppState);
    bullet = new Sphere(32, 32, 1.0f, true, false);
    bullet.setTextureMode(TextureMode.Projected);
    bulletCollisionShape = new SphereCollisionShape(1.0f);
    //        bulletAppState.getPhysicsSpace().enableDebug(assetManager);
    PhysicsTestHelper.createPhysicsTestWorld(rootNode, assetManager, bulletAppState.getPhysicsSpace());
    setupLight();
    model = (Node) assetManager.loadModel("Models/Sinbad/Sinbad.mesh.xml");
    //  model.setLocalRotation(new Quaternion().fromAngleAxis(FastMath.HALF_PI, Vector3f.UNIT_X));
    //debug view
    AnimControl control = model.getControl(AnimControl.class);
    SkeletonDebugger skeletonDebug = new SkeletonDebugger("skeleton", control.getSkeleton());
    Material mat2 = new Material(getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
    mat2.getAdditionalRenderState().setWireframe(true);
    mat2.setColor("Color", ColorRGBA.Green);
    mat2.getAdditionalRenderState().setDepthTest(false);
    skeletonDebug.setMaterial(mat2);
    skeletonDebug.setLocalTranslation(model.getLocalTranslation());
    //Note: PhysicsRagdollControl is still TODO, constructor will change
    ragdoll = new KinematicRagdollControl(0.5f);
    setupSinbad(ragdoll);
    ragdoll.addCollisionListener(this);
    model.addControl(ragdoll);
    float eighth_pi = FastMath.PI * 0.125f;
    ragdoll.setJointLimit("Waist", eighth_pi, eighth_pi, eighth_pi, eighth_pi, eighth_pi, eighth_pi);
    ragdoll.setJointLimit("Chest", eighth_pi, eighth_pi, 0, 0, eighth_pi, eighth_pi);
    //Oto's head is almost rigid
    //    ragdoll.setJointLimit("head", 0, 0, eighth_pi, -eighth_pi, 0, 0);
    getPhysicsSpace().add(ragdoll);
    speed = 1.3f;
    rootNode.attachChild(model);
    // rootNode.attachChild(skeletonDebug);
    flyCam.setMoveSpeed(50);
    animChannel = control.createChannel();
    animChannel.setAnim("Dance");
    control.addListener(this);
    inputManager.addListener(new ActionListener() {

        public void onAction(String name, boolean isPressed, float tpf) {
            if (name.equals("toggle") && isPressed) {
                Vector3f v = new Vector3f();
                v.set(model.getLocalTranslation());
                v.y = 0;
                model.setLocalTranslation(v);
                Quaternion q = new Quaternion();
                float[] angles = new float[3];
                model.getLocalRotation().toAngles(angles);
                q.fromAngleAxis(angles[1], Vector3f.UNIT_Y);
                model.setLocalRotation(q);
                if (angles[0] < 0) {
                    animChannel.setAnim("StandUpBack");
                    ragdoll.blendToKinematicMode(0.5f);
                } else {
                    animChannel.setAnim("StandUpFront");
                    ragdoll.blendToKinematicMode(0.5f);
                }
            }
            if (name.equals("bullet+") && isPressed) {
                bulletSize += 0.1f;
            }
            if (name.equals("bullet-") && isPressed) {
                bulletSize -= 0.1f;
            }
            if (name.equals("stop") && isPressed) {
                ragdoll.setEnabled(!ragdoll.isEnabled());
                ragdoll.setRagdollMode();
            }
            if (name.equals("shoot") && !isPressed) {
                Geometry bulletg = new Geometry("bullet", bullet);
                bulletg.setMaterial(matBullet);
                bulletg.setLocalTranslation(cam.getLocation());
                bulletg.setLocalScale(bulletSize);
                bulletCollisionShape = new SphereCollisionShape(bulletSize);
                RigidBodyControl bulletNode = new RigidBodyControl(bulletCollisionShape, bulletSize * 10);
                bulletNode.setCcdMotionThreshold(0.001f);
                bulletNode.setLinearVelocity(cam.getDirection().mult(80));
                bulletg.addControl(bulletNode);
                rootNode.attachChild(bulletg);
                getPhysicsSpace().add(bulletNode);
            }
            if (name.equals("boom") && !isPressed) {
                Geometry bulletg = new Geometry("bullet", bullet);
                bulletg.setMaterial(matBullet);
                bulletg.setLocalTranslation(cam.getLocation());
                bulletg.setLocalScale(bulletSize);
                bulletCollisionShape = new SphereCollisionShape(bulletSize);
                BombControl bulletNode = new BombControl(assetManager, bulletCollisionShape, 1);
                bulletNode.setForceFactor(8);
                bulletNode.setExplosionRadius(20);
                bulletNode.setCcdMotionThreshold(0.001f);
                bulletNode.setLinearVelocity(cam.getDirection().mult(180));
                bulletg.addControl(bulletNode);
                rootNode.attachChild(bulletg);
                getPhysicsSpace().add(bulletNode);
            }
        }
    }, "toggle", "shoot", "stop", "bullet+", "bullet-", "boom");
    inputManager.addMapping("toggle", new KeyTrigger(KeyInput.KEY_SPACE));
    inputManager.addMapping("shoot", new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
    inputManager.addMapping("boom", new MouseButtonTrigger(MouseInput.BUTTON_RIGHT));
    inputManager.addMapping("stop", new KeyTrigger(KeyInput.KEY_H));
    inputManager.addMapping("bullet-", new KeyTrigger(KeyInput.KEY_COMMA));
    inputManager.addMapping("bullet+", new KeyTrigger(KeyInput.KEY_PERIOD));
}