line_move = 0;
line_move += .2;
if line_move > 1 line_move--;
var i,yy;
yy = room_height / 2 + line_move * room_height / 8; // start in the middle
draw_set_color(c_lime)
while(yy<room_height){
draw_line(0,yy,room_width,yy);
yy+=room_height/8; // move 1/8 part down for each line drawn
}
draw_set_color(c_black)
var xx,yy,angle,lines;
xx = room_width / 2;
yy = room_height / 2;
lines = 18;
angle = 180 + 180 / lines * (obj_player.x / room_width) // I do not know name of the object you move around, so you will have to adjust that
draw_set_color(c_lime);
while(angle < 360){
draw_line(xx,yy,xx+lenghtdir_x(200,angle), yy+lenghtdir_y(200,angle));
angle += 180 / lines;
}
draw_set_color(c_black);