free_camera.h

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/******************************************************************************
 * Copyright 2018 The Apollo Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *****************************************************************************/
 
#pragma once
 
#include "modules/tools/visualizer/abstract_camera.h"
 
class FreeCamera : public AbstractCamera {
 public:
  FreeCamera(void);
  ~FreeCamera() {}
 
  // After calling the function updateWorld
  // the translation become zero vector
  virtual void UpdateWorld(void);
 
  const QVector3D& tanslation(void) { return translation_; }
  void set_translation(const QVector3D& t) { translation_ = t; }
 
  void Walk(const float dt) { translation_ += (look_ * dt); }
  void Starfe(const float dt) { translation_ += (right_ * dt); }
  void Lift(const float dt) { translation_ += (up_ * dt); }
 
 private:
  QVector3D translation_;
};