// %flair:license{
// This file is part of the Flair framework distributed under the
// CECILL-C License, Version 1.0.
// %flair:license}
//  created:    2016/09/01
//  filename:   FixedCamera.cpp
//
//  author:     Guillaume Sanahuja
//              Copyright Heudiasyc UMR UTC/CNRS 7253
//
//  version:    $Id: $
//
//  purpose:    class for a fixed camera in the gui
//
/*********************************************************************/
#ifdef GL

#include "FixedCamera.h"
#include "Simulator.h"
#include "Model.h"
#include "Model_impl.h"
#include "Gui.h"
#include <ICursorControl.h>
#include <ICameraSceneNode.h>
#include <IrrlichtDevice.h>
#include <ISceneManager.h>

using namespace irr;
using namespace gui;
using namespace core;
using namespace scene;

namespace flair {
namespace simulator {

FixedCamera::FixedCamera(core::Vector3D position,float rotateSpeed,float zoomSpeed):VisualizationCamera(rotateSpeed,zoomSpeed)  {
  RotY = 020;
  RotZ = 0;
  Rotating = false;

   // camera
  camera->setPosition(vector3df(position.x,position.y,position.z));
}

FixedCamera::~FixedCamera() {}

void FixedCamera::animateNode(ISceneNode *node, u32 timeMs) {
  ICameraSceneNode *camera = static_cast<ICameraSceneNode *>(node);

  float nRotY = RotY;
  float nRotZ = RotZ;

  if (LMouseKey == true) {
    if (!Rotating) {
      RotateStart = MousePos;
      Rotating = true;
      nRotY = RotY;
      nRotZ = RotZ;
    } else {
      nRotY += (RotateStart.Y - MousePos.Y) * rotateSpeed;
      nRotZ += (RotateStart.X - MousePos.X) * rotateSpeed;
    }
  } else if (Rotating) {
    RotY += (RotateStart.Y - MousePos.Y) * rotateSpeed;
    RotZ += (RotateStart.X - MousePos.X) * rotateSpeed;
    nRotY = RotY;
    nRotZ = RotZ;
    Rotating = false;
  }

  camera->setRotation(vector3df(0,nRotY,nRotZ));
  camera->bindTargetAndRotation(true);
}


} // end namespace simulator
} // end namespace flair

#endif // GL