Using GameMaker…for…image editing? That’s possible? Well you learn something new every day.
Well I would certainly suggest finding yourself one of the many free image editors. I use Paint.NET for about 95% of work myself, with a horde of plugins. If you use Linux I hear Pinta is similar or Gimp if you’re desparate Otherwise Krita is multiplatform, but quite complex.
For the radar, I just took one of my explosion disk textures, duplicated it a few times and shrunk each layer a bit more, then added the lines. The field of view area is just a quarter of a circle, rotated 45 degrees.
Here are some approximately the same textures if it helps:
CC0 and all that.