function waveform1(var x)
{
	return sinv(x*10)*20 + screen_size.y/2 - 10;	
}

void main()
{
	wait(1);
	
	screen_color.red=1;
	screen_color.green=1;
	screen_color.blue=1;

	while(1)
	{
		draw_line(nullvector,NULL,100);
		var x; for(x=0;x<screen_size.x;x++)
		{			
			var y=waveform1(x);
			
			draw_line(vector(x,y,0),vector(255,255,255),100);
		}
		
		wait(1);	
	}
}