How to create enemies that change directions after bumping into a wall?

Quote from advaith

If the goombas turn around when they hit the wall, maybe the pictures for one of the directions is lower than the other.

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I checked and they seem to be in the same spot.

I currently have it so if the goomba is overlapping a backdrop, then the game will subtract 1 from the Y-position of the goomba.

I have this here so that the goomba doesn't constantly switch directions.

He would switch directions constantly because his flag is toggled while he is overlapping a backdrop, and the game is subtracting 1 from the Y-position of the goomba when he's on a backdrop to fix this.

This will prevent him from always being in the floor and switching directions as the flag is toggled on and off.

When the goomba collides with a wall and switches directions, it runs the event of subtracting 1 from the Y-position of the goomba again because:

+ Goomba is overlapping a backdrop -> Subtract one from Y-position of goomba.

So basically, it runs the event of moving the goomba up a pixel when standing on the backdrop when the goomba touches the side of a backdrop.

Any ideas?

Maybe someone can explain to me how they would make a goomba that bounces off walls and has gravity without using one of Clickteam's movement presets?

Quote from N64Mario

write your own gravity.

Alt. Value A could be X Position
Alt. Value B can be Y position
Alt. C could be Fall strength (always set to 0 when walking on ground)
Alt. D could be gravity, which could be set to something like 0.25
- Actually, you prob don't need an alt. value for gravity if there won't be any change.

Then something like this:
Always -> [Goomba] Add 0.25 to alt. value C of [Goomba]

X [Goomba] is overlapping backdrop -> Add Alt Value C of [Goomba] to Y position.

Something like that, I think.

Thanks, I did what you suggested and tweaked it a bit to get something I'm comfortable with