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		if(keystate[SDLK_SPACE])		{		int X=0;		int Y=0;		SDL_GetMouseState(&X, &Y);		double angle = (asin((Y-y)/sqrt(((double)(X-x)*(X-x) + (Y-y)*(Y-y))))); 			//velx = x + z * cos(angle);			//vely = y + z * sin(angle);			particles[pnum].type 		= 	1;			particles[pnum].x 			= 	x;			particles[pnum].y			=	y;			particles[pnum].velx 		= 	X < x ? -(8 * cos(angle)) : (8 * cos(angle));			particles[pnum].vely 		= 	8 * sin(angle);			particles[pnum].timeleft	=	5000;			pnum++;			if(pnum >= maxparticles)				pnum = 0;		}