本文整理了Java中com.jme3.math.Quaternion.multLocal方法的一些代码示例，展示了Quaternion.multLocal的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Quaternion.multLocal方法的具体详情如下：
包路径：com.jme3.math.Quaternion
类名称：Quaternion
方法名：multLocal

Quaternion.multLocal介绍

[英]mult multiplies this quaternion by a parameter scalar. The result is stored locally.
[中]mult将这个四元数乘以一个参数标量。结果存储在本地。

代码示例

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Updates the local X-Z view direction and the corresponding rotation
 * quaternion for the spatial.
 */
protected void updateLocalViewDirection() {
  //update local rotation quaternion to use for view rotation
  localForwardRotation.multLocal(rotatedViewDirection.set(viewDirection));
  calculateNewForward(rotation, rotatedViewDirection, localUp);
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Updates the local X-Z view direction and the corresponding rotation
 * quaternion for the spatial.
 */
protected void updateLocalViewDirection() {
  //update local rotation quaternion to use for view rotation
  localForwardRotation.multLocal(rotatedViewDirection.set(viewDirection));
  calculateNewForward(rotation, rotatedViewDirection, localUp);
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Rotates the spatial by the given rotation.
 *
 * @return The spatial on which this method is called, e.g <code>this</code>.
 */
public Spatial rotate(Quaternion rot) {
  this.localTransform.getRotation().multLocal(rot);
  setTransformRefresh();
  return this;
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

private static Quaternion toQuat(float ax1v, Vector3f ax1, float ax2v, Vector3f ax2, float ax3v, Vector3f ax3) {
    // TODO It has some potential in optimization
    Quaternion q1 = new Quaternion().fromAngleNormalAxis(ax1v, ax1);
    Quaternion q2 = new Quaternion().fromAngleNormalAxis(ax2v, ax2);
    Quaternion q3 = new Quaternion().fromAngleNormalAxis(ax3v, ax3);
    return q1.multLocal(q2).multLocal(q3);
  }
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Rotate the physics object to the specified orientation.
 * <p>
 * We don't set the actual physics rotation but the view rotation here. It
 * might actually be altered by the calculateNewForward method.
 *
 * @param quat desired orientation (not null, unaffected)
 */
@Override
protected void setPhysicsRotation(Quaternion quat) {
  rotation.set(quat);
  rotation.multLocal(rotatedViewDirection.set(viewDirection));
  updateLocalViewDirection();
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Rotate the physics object to the specified orientation.
 * <p>
 * We don't set the actual physics rotation but the view rotation here. It
 * might actually be altered by the calculateNewForward method.
 *
 * @param quat desired orientation (not null, unaffected)
 */
@Override
protected void setPhysicsRotation(Quaternion quat) {
  rotation.set(quat);
  rotation.multLocal(rotatedViewDirection.set(viewDirection));
  updateLocalViewDirection();
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

@Override
public void simpleUpdate(float tpf){
  // Rotate around X axis
  Quaternion rotate = new Quaternion();
  rotate.fromAngleAxis(tpf, Vector3f.UNIT_X);
  // Combine rotation with previous
  rotation.multLocal(rotate);
  // Set new rotation into bone
  bone.setUserTransforms(Vector3f.ZERO, rotation, Vector3f.UNIT_XYZ);
  // After changing skeleton transforms, must update world data
  skeleton.updateWorldVectors();
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

private static Quaternion spline(Quaternion qnm1, Quaternion qn, Quaternion qnp1, Quaternion store, Quaternion tmp) {
  Quaternion invQn = new Quaternion(-qn.x, -qn.y, -qn.z, qn.w);
  log(invQn.mult(qnp1), tmp);
  log(invQn.mult(qnm1), store);
  store.addLocal(tmp).multLocal(-1f / 4f);
  exp(store, tmp);
  store.set(qn).multLocal(tmp);
  return store.normalizeLocal();
  //return qn * (((qni * qnm1).log() + (qni * qnp1).log()) / -4).exp();
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * 
 * Sets the transforms of this bone in local space (relative to the parent bone)
 *
 * @param translation the translation in local space
 * @param rotation the rotation in local space
 * @param scale the scale in local space
 */
public void setUserTransforms(Vector3f translation, Quaternion rotation, Vector3f scale) {
  if (!userControl) {
    throw new IllegalStateException("You must call setUserControl(true) in order to setUserTransform to work");
  }
  localPos.set(bindPos);
  localRot.set(bindRot);
  localScale.set(bindScale);
  localPos.addLocal(translation);
  localRot.multLocal(rotation);
  localScale.multLocal(scale);
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
   * Sets the local animation transform of this bone.
   * Bone is assumed to be in bind pose when this is called.
   */
  void setAnimTransforms(Vector3f translation, Quaternion rotation, Vector3f scale) {
    if (userControl) {
      return;
    }

//        localPos.addLocal(translation);
//        localRot.multLocal(rotation);
    //localRot = localRot.mult(rotation);

    localPos.set(bindPos).addLocal(translation);
    localRot.set(bindRot).multLocal(rotation);

    if (scale != null) {
      localScale.set(bindScale).multLocal(scale);
    }
  }

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Returns the local transform of this bone combined with the given position and rotation
 * @param position a position
 * @param rotation a rotation
 */
public Transform getCombinedTransform(Vector3f position, Quaternion rotation) {
  if(tmpTransform == null){
    tmpTransform = new Transform();
  }
  rotation.mult(localPos, tmpTransform.getTranslation()).addLocal(position);
  tmpTransform.setRotation(rotation).getRotation().multLocal(localRot);
  return tmpTransform;
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * rotate the camera around the target
 */
protected void rotateCamera() {
  verticalRotation = FastMath.clamp(verticalRotation, minVerticalRotation, maxVerticalRotation);
  TempVars vars = TempVars.get();
  Quaternion rot = vars.quat1;
  Quaternion rot2 = vars.quat2;
  rot.fromAngleNormalAxis(verticalRotation, leftVector);
  rot2.fromAngleNormalAxis(horizontalRotation, upVector);
  rot2.multLocal(rot);
  target.setLocalRotation(rot2);
  vars.release();
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

@Override
public void simpleUpdate(float tpf) {
  if(forward){
    model.move(model.getLocalRotation().multLocal(new Vector3f(0,0,1)).multLocal(tpf));
  }else if(backward){
    model.move(model.getLocalRotation().multLocal(new Vector3f(0,0,1)).multLocal(-tpf));
  }else if(leftRotate){
    model.rotate(0, tpf, 0);
  }else if(rightRotate){
    model.rotate(0, -tpf, 0);
  }
  fpsText.setText(cam.getLocation() + "/" + cam.getRotation());
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

@Override
public Quaternion getFinalObserverRotation(int index) {
  OSVRViewManager vrvm = (OSVRViewManager)environment.getVRViewManager();
  if( vrvm == null || isInputDeviceTracking(index) == false ) return null;
  Object obs = environment.getObserver();
  if( obs instanceof Camera ) {
    tempq.set(((Camera)obs).getRotation());
  } else {
    tempq.set(((Spatial)obs).getWorldRotation());
  }
  return tempq.multLocal(getOrientation(index));
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Get the observer final rotation within the scene.
 * @return the observer final rotation within the scene.
 * @see #getFinalObserverPosition()
 */
public Quaternion getFinalObserverRotation() {
  if( viewmanager == null ) {
    if( observer == null ) {
      return getCamera().getRotation();
    } else return observer.getWorldRotation();
  }        
  if( observer == null ) {
    tempq.set(dummyCam.getRotation());
  } else {
    tempq.set(observer.getWorldRotation());
  }
  return tempq.multLocal(VRhardware.getOrientation());
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

@Override
public Quaternion getFinalObserverRotation(int index) {
  // Copied from OpenVRInput
  VREnvironment env = hardware.getEnvironment();
  OculusViewManager vrvm = (OculusViewManager) hardware.getEnvironment().getVRViewManager();
  Object obs = env.getObserver();
  Quaternion tempq = new Quaternion(); // TODO move to class scope?
  if (obs instanceof Camera) {
    tempq.set(((Camera) obs).getRotation());
  } else {
    tempq.set(((Spatial) obs).getWorldRotation());
  }
  return tempq.multLocal(getOrientation(index));
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Alter the transforms of a rigidBody to match the transforms of a bone.
 * This is used to make the ragdoll follow animated motion in Kinematic mode
 *
 * @param link the bone link connecting the bone and the rigidBody
 * @param position temporary storage used in calculations (not null)
 * @param tmpRot1 temporary storage used in calculations (not null)
 */
protected void matchPhysicObjectToBone(PhysicsBoneLink link, Vector3f position, Quaternion tmpRot1) {
  //computing position from rotation and scale
  targetModel.getWorldTransform().transformVector(link.bone.getModelSpacePosition(), position);
  //computing rotation
  tmpRot1.set(link.bone.getModelSpaceRotation()).multLocal(link.bone.getModelBindInverseRotation());
  targetModel.getWorldRotation().mult(tmpRot1, tmpRot1);
  tmpRot1.normalizeLocal();
  //updating physics location/rotation of the physics bone
  link.rigidBody.setPhysicsLocation(position);
  link.rigidBody.setPhysicsRotation(tmpRot1);
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

/**
 * Alter the transforms of a rigidBody to match the transforms of a bone.
 * This is used to make the ragdoll follow animated motion in Kinematic mode
 *
 * @param link the bone link connecting the bone and the rigidBody
 * @param position temporary storage used in calculations (not null)
 * @param tmpRot1 temporary storage used in calculations (not null)
 */
protected void matchPhysicObjectToBone(PhysicsBoneLink link, Vector3f position, Quaternion tmpRot1) {
  //computing position from rotation and scale
  targetModel.getWorldTransform().transformVector(link.bone.getModelSpacePosition(), position);
  //computing rotation
  tmpRot1.set(link.bone.getModelSpaceRotation()).multLocal(link.bone.getModelBindInverseRotation());
  targetModel.getWorldRotation().mult(tmpRot1, tmpRot1);
  tmpRot1.normalizeLocal();
  //updating physics location/rotation of the physics bone
  link.rigidBody.setPhysicsLocation(position);
  link.rigidBody.setPhysicsRotation(tmpRot1);
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

private void spatialToLight(Light light) {
  final Vector3f worldTranslation = spatial.getWorldTranslation();
  if (light instanceof PointLight) {
    ((PointLight) light).setPosition(worldTranslation);
    return;
  }
  final TempVars vars = TempVars.get();
  final Vector3f vec = vars.vect1;
  if (light instanceof DirectionalLight) {
    ((DirectionalLight) light).setDirection(vec.set(worldTranslation).multLocal(-1.0f));
  }
  if (light instanceof SpotLight) {
    final SpotLight spotLight = (SpotLight) light;
    spotLight.setPosition(worldTranslation);
    spotLight.setDirection(spatial.getWorldRotation().multLocal(vec.set(Vector3f.UNIT_Y).multLocal(-1)));
  }
  vars.release();
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

public void applyWheelTransform() {
  if (wheelSpatial == null) {
    return;
  }
  Quaternion localRotationQuat = wheelSpatial.getLocalRotation();
  Vector3f localLocation = wheelSpatial.getLocalTranslation();
  if (!applyLocal && wheelSpatial.getParent() != null) {
    localLocation.set(wheelWorldLocation).subtractLocal(wheelSpatial.getParent().getWorldTranslation());
    localLocation.divideLocal(wheelSpatial.getParent().getWorldScale());
    tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
    localRotationQuat.set(wheelWorldRotation);
    tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().mult(localRotationQuat, localRotationQuat);
    wheelSpatial.setLocalTranslation(localLocation);
    wheelSpatial.setLocalRotation(localRotationQuat);
  } else {
    wheelSpatial.setLocalTranslation(wheelWorldLocation);
    wheelSpatial.setLocalRotation(wheelWorldRotation);
  }
}