Scene.cpp

// *********************************************************
// Scene Class
// Author : Tamy Boubekeur (boubek@gmail.com).
// Copyright (C) 2010 Tamy Boubekeur.
// All rights reserved.
// *********************************************************

#include "Scene.h"

using namespace std;

static Scene * instance = NULL;

Scene * Scene::getInstance () {
    if (instance == NULL)
        instance = new Scene ();
    return instance;
}

void Scene::destroyInstance () {
    if (instance != NULL) {
        delete instance;
        instance = NULL;
    }
}

Scene::Scene () {
    buildDefaultScene ();
    updateBoundingBox ();
}

Scene::~Scene () {
}

void Scene::updateBoundingBox () {
    if (objects.empty ())
        bbox = BoundingBox ();
    else {
        bbox = objects[0].getBoundingBox ();
        for (unsigned int i = 1; i < objects.size (); i++)
            bbox.extendTo (objects[i].getBoundingBox ());
    }
}

// Changer ce code pour creer des scenes originales
void Scene::buildDefaultScene () {
    Mesh groundMesh;
    groundMesh.loadOFF ("models/ground.off");
    Material groundMat;
    Object ground (groundMesh, groundMat);    
    objects.push_back (ground);
    Mesh ramMesh;
    ramMesh.loadOFF ("models/ram.off");
    Material ramMat (1.f, 1.f, Vec3Df (1.f, .6f, .2f));
    Object ram (ramMesh, ramMat);
    ram.setTrans (Vec3Df (1.f, 0.5f, 0.f));
    objects.push_back (ram);
    Mesh rhinoMesh;
    rhinoMesh.loadOFF ("models/rhino.off");
    Material rhinoMat (1.0f, 0.2f, Vec3Df (0.6f, 0.6f, 0.7f));
    Object rhino (rhinoMesh, rhinoMat);
    rhino.setTrans (Vec3Df (-1.f, -1.0f, 0.4f));
    //objects.push_back (rhino);
    Mesh gargMesh;
    gargMesh.loadOFF ("models/gargoyle.off");
    Material gargMat (0.7f, 0.4f, Vec3Df (0.5f, 0.8f, 0.5f));
    Object garg (gargMesh, gargMat);
    garg.setTrans (Vec3Df (-1.f, 1.0f, 0.1f));
    //objects.push_back (garg);
    Light l (Vec3Df (3.0f, 3.0f, 3.0f), Vec3Df (1.0f, 1.0f, 1.0f), 1.0f);
    lights.push_back (l);
}