/* Author: Josh Holtrop
 * DornerWorks screensaver
 * A slightly more interesting screensaver mode involving
 * colliding DW logos contained in a cube that spins while
 * gravity randomly changes direction
 */

#ifndef TUMBLING_LOGOS_H
#define TUMBLING_LOGOS_H

#include "SSMain.h"
#include "SSMode.h"
#include "LogoBox.h"
#include <ode/ode.h>
#include <vector>

#define TUMBLE_BOX_CELLS 4

class TumblingLogos : public SSMode
{
public:
    TumblingLogos(SSMain * _SSMain);
    ~TumblingLogos();
    void update();

protected:
    void createWorld();
    void worldStep();
    void changeGravity();
    friend void TumblingLogos_collide_callback(void * data, dGeomID o1, dGeomID o2);

    dWorldID    m_world;
    dSpaceID    m_space;
    double      m_logoSize;
    double      m_boxSize;
    dJointGroupID   m_contactJointGroup;
    std::vector<LogoBox *>  m_logos;
    Uint32      m_lastGravityChangeTime;
    Uint32      m_lastElapsed;
};

#endif