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int dotX,dotY;
static bool musicPlay=true;
static bool kill=false;

#include "DarkGDK.h"
#include <stdio.h>
#include <math.h>
#include <tchar.h>
#include <windows.h>
#include <process.h>
#include <ctime>

DWORD rndColor;
HANDLE event1,event2,event3;

void mathThread (void *pParams){
	srand((unsigned)time(0));
	while(1){
		rndColor=dbRGB((rand()%205)+50,(rand()%205)+50,(rand()%205)+50);
		dbInk(rndColor,dbRGB(0,0,0));
		dotX=rand()%dbScreenWidth();
		dotY=rand()%dbScreenHeight();
		if(dbReturnKey()==1)break;
		if(kill)break;
	}
	return;
}

void mathThread3D (void *pParams){
	Sleep(2000);
	while(musicPlay){
		if(kill)break;
		Beep(392,1000);
		if(kill)break;
		Beep(494,400);
		if(kill)break;
		Beep(440,1000);
		if(kill)break;
		Sleep(400);
		if(kill)break;
		Beep(392,1000);
		if(kill)break;
		Beep(523,400);
		if(kill)break;
		Beep(494,1000);
		if(kill)break;
		Sleep(400);
	}
	while(1){
		if(kill)break;
		Beep(392,400);
		if(kill)break;
		Sleep(400);
	}
	return;
}

void drawThread (void){
	_beginthread(mathThread,0,NULL);
	_beginthread(mathThread3D,0,NULL);
	dbCLS();
	dbDisableEscapekey();
	dbSetTextSize(72);
	int logoPos=dbScreenHeight();

	while(LoopGDK()){
		if(dbSpaceKey()==1)dbCLS(dbRGB(0,0,0));
		dbDot(dotX,dotY);
		dbDot(dotX,dotY);
		dbDot(dotX,dotY);
		dbDot(dotX,dotY);
		if(logoPos>((dbScreenHeight()/2)-100))logoPos--;
		if(logoPos==((dbScreenHeight()/2)-100))musicPlay=false;
		dbCenterText(320,logoPos,"Threaded magiC");
		dbSync();
		if(dbEscapeKey()==1)break;
	}
	kill=true;
	WaitForSingleObject(event2,100);
	WaitForSingleObject(event3,1100);
	
	return;
}

void DarkGDK(void){
	dbSyncOn();
	dbSync();
	dbSetWindowTitle("Threaded Magic");

	event1=CreateEvent(NULL,FALSE,TRUE,NULL);
    event2=CreateEvent(NULL,FALSE,FALSE,NULL);
	event3=CreateEvent(NULL,FALSE,FALSE,NULL);

	drawThread();
	return;
}

#include "DarkGDK.h"
#include <stdio.h>
#include <tchar.h>
#include <windows.h>
#include <process.h>

#define MaximumSpheres 1000
HANDLE hEvent1, hEvent2;
float rotations[MaximumSpheres][3];
float positions[MaximumSpheres][3];
float sizes[MaximumSpheres];

void RecalculateSpheres(void);

#define MULTITHREAD

void Thread( void* pParams )
{
  
    while ( TRUE )
    {
        WaitForSingleObject( hEvent2, INFINITE );
		RecalculateSpheres();
		SetEvent( hEvent1 );
    }
}

void RecalculateSpheres(void)
{
	for (int i = 0; i < MaximumSpheres; i++ ) 
	{
	   rotations[i][0] += ((float)rand() / (float)(RAND_MAX)) - 0.5f;
	   rotations[i][1] += ((float)rand() / (float)(RAND_MAX)) - 0.5f;
	   rotations[i][2] += ((float)rand() / (float)(RAND_MAX)) - 0.5f;

		for (int j = 0; j < MaximumSpheres; j++ ) 
		{
			if (j != i)
			{
				if ( ((positions[i][0] > (positions[j][0] - (sizes[j] / 2))) && (positions[i][0] < (positions[j][0] + (sizes[j] / 2)))) &&
				     ((positions[i][1] > (positions[j][1] - (sizes[j] / 2))) && (positions[i][1] < (positions[j][1] + (sizes[j] / 2)))) &&
				     ((positions[i][2] > (positions[j][2] - (sizes[j] / 2))) && (positions[i][2] < (positions[j][2] + (sizes[j] / 2)))) )
				{ 
					// Collide so move it
					positions[i][0] += ((float)rand() / (float)(RAND_MAX))*1 - 0.5f;
					positions[i][1] += ((float)rand() / (float)(RAND_MAX))*1 - 0.5f;
   					positions[i][2] += ((float)rand() / (float)(RAND_MAX))*1 - 0.5f;
					//break;
				}
			}
		}
	}
}

void DarkGDK ( void )
{
	dbSyncOn   ( );
	dbSyncRate ( 60 );

	// make some 3D objects
	for ( int i = 1; i < MaximumSpheres; i++ )
	{
		rotations[i][0] = 0.0f;
	    rotations[i][1] = 0.0f;
	   	rotations[i][2] = 0.0f;

		positions[i][0] = ((float)rand() / (float)(RAND_MAX)) * 20;
	    positions[i][1] = ((float)rand() / (float)(RAND_MAX)) * 20;
	   	positions[i][2] = ((float)rand() / (float)(RAND_MAX)) * 20;

		sizes[i] = ((float)rand() / (float)(RAND_MAX)) * 5;

		// make a sphere
		dbMakeObjectCube ( i, sizes[i] );

		// position the object in a random location
		dbPositionObject ( i, positions[i][0], positions[i][1], positions[i][2]);

		// give the object a color
		dbColorObject ( i, dbRgb ( dbRnd ( 255 ), dbRnd ( 255 ), dbRnd ( 255 ) ) );

		// turn off ambient lighting for this object
		dbSetObjectAmbient ( i, 0 );
	}

	// move our camera back so we can view the objects
	dbPositionCamera ( 10, 20, -40 );

#ifdef MULTITHREAD
	 hEvent1 = CreateEvent( NULL, FALSE, TRUE, NULL );
     hEvent2 = CreateEvent( NULL, FALSE, FALSE, NULL );
  
     _beginthread( Thread, 0, NULL );
#endif  
	while ( LoopGDK ( ) )
	{
		char txt[255];
		sprintf(txt,"FPS=%d, Polygons=%d",dbScreenFPS(), dbStatistic(1));
		dbText(0,0,txt);

		// move the camera forwards
		if ( dbUpKey ( ) )
			dbMoveCamera ( 1 );

		// move the camera backwards
		if ( dbDownKey ( ) )
			dbMoveCamera ( -1 );

#ifdef MULTITHREAD
			 WaitForSingleObject( hEvent1, INFINITE );
#endif

#ifndef MULTITHREAD
			RecalculateSpheres();
#endif

		// rotate all of our objects and reposition
		for ( int i = 1; i < MaximumSpheres; i++ )
		{
			dbPositionObject ( i, positions[i][0], positions[i][1], positions[i][2]);
			dbRotateObject ( i, rotations[i][0], rotations[i][1], rotations[i][2] );
		}
#ifdef MULTITHREAD
			SetEvent( hEvent2 );	
#endif

		// here we make a call to update the contents of the screen
		dbSync ( );
	}

	// before quitting delete our objects
	for ( int i = 1; i < MaximumSpheres; i++ )
		dbDeleteObject ( i );

	// and now everything is ready to return back to Windows
	return;
}