public static void circle(double x, double y, double z, double radius, int steps)
	{
		int rot = 360/steps;
		double angle;
	    GL11.glBegin(GL11.GL_LINE_LOOP);
	    for(int i=0; i<steps; i++)
	    {
	    	angle = Math.toRadians(i*rot);
	    	GL11.glVertex3d(x + Math.sin(angle) * radius, y + Math.cos(angle) * radius, z);
	    }
	    GL11.glEnd();
	}