/*
 *  Ray++ - Object-oriented ray tracing library
 *  Copyright (C) 1998-2001 Martin Reinecke and others.
 *  See the AUTHORS file for more information.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  See the README file for more information.
 */

//                Demo scene for Ray++

#include "kernel/globals.h"
#include "kernel/handle.h"
#include "worlds/scene.h"
#include "renderers/raytracer.h"
#include "outputs/tga_output.h"
#include "shapes/sphere.h"
#include "surfaces/matte.h"
#include "objects/simple_object.h"
#include "lights/pointlight.h"
#include "lights/ambient_light.h"
#include "cameras/std_camera.h"
#include "worlds/hmakers/pov_hmaker.h"


int main ()
  {
  using namespace RAYPP;

  HANDLE<OUTPUT> Output;
  Output = Cnew TGA_OUTPUT (640, 480, "second.tga");
  Output->Init();

  SCENE *Scn = Cnew SCENE;

  RAYTRACER *Raytracer = Cnew RAYTRACER;

  Raytracer->Add (Cnew STD_CAMERA (VECTOR (0,9,-14.5), VECTOR (0,0,0)));

  SIMPLE_OBJECT *obj, *ob2;

// define two surfaces (one white, one pink)
  HANDLE<SURFACE> hmat = Cnew MATTE (0.2, 1.0, COLOUR(1,1,1));
  HANDLE<SURFACE> hmat2 = Cnew MATTE (0.2, 1.0, COLOUR(1,0.7,0.7));
  uint4 Priority = 1;

// now create all the spheres
  for (float4 angle=0; angle<360; angle+=0.1)
    {
    obj = Cnew SIMPLE_OBJECT;
    obj->Set_Shape (Cnew SPHERE);
    obj->Scale(VECTOR(0.5,1,0.5));
    obj->Translate(VECTOR(1,0,0));
    obj->Rotate(VECTOR(0,0,3*angle));
    obj->Translate(VECTOR(3,0,0));
    obj->Rotate(VECTOR(0,angle,0));
    obj->Set_Surface (hmat);
    obj->Set_Priority (Priority);
    Scn->Add (obj);
    ob2 = Cnew SIMPLE_OBJECT;
    ob2->Set_Shape (Cnew SPHERE);
    ob2->Scale(VECTOR(0.5,1,0.5));
    ob2->Translate(VECTOR(1,0,0));
    ob2->Rotate(VECTOR(0,0,3*angle));
    ob2->Translate(VECTOR(3,0,0));
    ob2->Rotate(VECTOR(0,angle+60,0));
    ob2->Set_Surface (hmat2);
    ob2->Set_Priority (Priority);
    Scn->Add (ob2);
    }

// add some lightsources to the scene
  Scn->Add (Cnew POINTLIGHT (VECTOR (10,30,-20), COLOUR (700,700,700)));
  Scn->Add (Cnew POINTLIGHT (VECTOR (-10,10,-20), COLOUR (300,300,700)));
  Scn->Add (Cnew AMBIENT_LIGHT (COLOUR (0.5,0.5,0.5)));

// in this scene we definitely need a hierarchy maker
// (or the computation would take some weeks)
  Scn->Set_HMaker (Cnew POV_HMAKER);

  World = Scn;
  World->Init();
  Renderer = Raytracer;
  Renderer->Init();

  Output->Render();
  }