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// Dark GDK - The Game Creators - www.thegamecreators.com

// the wizard has created a very simple project that uses Dark GDK
// it contains the basic code for a GDK application

// whenever using Dark GDK you must ensure you include the header file
#include "DarkGDK.h"

void DrawOrigin();
void movecamera(int direction, float speed);

// the main entry point for the application is this function
void DarkGDK ( void )
{
	// turn on sync rate and set maximum rate to 60 fps
	dbSyncOn   ( );
	dbSyncRate ( 60 );

	dbAutoCamOff();
	//dbSetWindowOff();
	

	dbPositionCamera( 0.0f, 0.0f, -50.0f );
	
	char* buffer;

	// our main loop
	while ( LoopGDK ( ) )
	{

		buffer = dbStr( dbCameraPositionX() );
		strcat( buffer, dbStr( dbCameraPositionZ() ) );
		dbText( 0,0, buffer );

		dbYRotateCamera( dbCameraAngleY() + dbMouseMoveX() );
		if( dbUpKey() )
			movecamera( dbCameraAngleY(), 2.0f );
		if( dbDownKey() )
			movecamera( dbCameraAngleY()+180, 2.0f );

		// update the screen
		dbSync ( );
	}

	// return back to windows
	return;
}

void movecamera(int direction, float speed)
{
	float camx = dbCameraPositionX();
	float camz = dbCameraPositionZ();
	float x = camx + dbSin(direction) * speed;
	float z = camz + dbCos(direction) * speed;
	dbPositionCamera ( x, dbCameraPositionY(), z );
}
	

void movecamera(int direction, float speed)
{
	int calls;
	float x,z,howmany;
	float camx = dbCameraPositionX();
	float camz = dbCameraPositionZ();
	if (speed>=2)
	{
		x = camx + dbSin(direction) * speed;
		z = camz + dbCos(direction) * speed;
	}
	else if (calls=0)
	{
		howmany=2/speed;
		calls=0;
	}
	if (howmany>0)
	{
		calls++;
	}
	if (calls>=howmany && howmany>0)
	{
	speed=speed*howmany;
	x = camx + dbSin(direction) * speed;
	z = camz + dbCos(direction) * speed;
	calls=0;
	howmany=0;
	}
	dbPositionCamera ( x, dbCameraPositionY(), z );
}