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#include "DarkGDK.h"

void PointSprite ( int spriteID, int x, int y )
{
	float	 ANGLE;
	int DX   = x - dbSpriteX( spriteID );
	int DY   = y - dbSpriteY( spriteID );
	int DIST = (DX * DX) + (DY * DY);
	if( DIST > 0 )
	{
		ANGLE = dbAtanFull ( x - dbSpriteX( spriteID ), dbSpriteY( spriteID ) - y );
		dbRotateSprite( spriteID , ANGLE );
	}
}


void DarkGDK ( void )
{

	dbSyncOn   ( );
	dbSyncRate ( 60 );


	dbDisableEscapeKey ( );

	dbRandomize ( dbTimer ( ) );

	/////////////////////////////
	dbLoadImage("tank.bmp",1);
	dbLoadImage("background.bmp",2);
	dbLoadImage("turret.bmp",3);
	dbLoadImage("wall.bmp",4);
	dbLoadImage("tankshot.bmp",5);
	/////////////////////////////
	dbSprite(1,320,240,1);//tank
	dbOffsetSprite(1,20,32.5);//allows for even turning
	int tankangle=0;

	dbSprite(3,100,100,4);

	
	while ( LoopGDK ( ) )
	{
		

		dbSprite(2,dbSpriteX(1),dbSpriteY(1),3);//turret
		dbOffsetSprite(2,5,30);
		PointSprite(2,dbMouseX(),dbMouseY());//turret aiming
		
		dbPasteImage(2,0,0);

		dbRotateSprite(1,tankangle);

		if(dbRightKey()==1)
			tankangle+=3;
		
		if(dbLeftKey()==1)
			tankangle-=3;

		if(dbUpKey()==1)
			dbMoveSprite(1,2);

		if(dbDownKey()==1)
			dbMoveSprite(1,-2);

		
		if(dbMouseClick()==1 && dbSpriteExist(4)==0)
		{
			dbSprite(4,dbSpriteX(2),dbSpriteY(2),5);
			PointSprite(4,dbMouseX(),dbMouseY());
		}
		if(dbSpriteExist(4)==1)
		{
			dbMoveSprite(4,6);
		}
		
		









		
		if ( dbEscapeKey ( ) )
			break;

		dbSync ( );
	}

	
	return;
}

if(dbSpriteCollision(3,4)==1)
		{
			dbDeleteSprite(4);
		}