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Hey guys!

I'm kinda stuck here with this Space Invaders Tutorial. Everytime I try to step thru the problem it does not respond well. Here is the scenario,

All of my commands, actions are exactly like the tutorials, but when I test it, the enemies just wander off the screen into infinity.

Now it is my belief that I missed, as obvious as it is, a critical procedure.
I sure would appreciate any feedback and advise that someone has to offer.

Thank all of you folks in the GE community for helping old dinosaurs like me come up to speed in the game dev world.

Verify the collision events

Always do two things: always make sure that the velocity of an object isnt too high; it can sorta "Warp" past thin objects. Also, in a similar vein, make sure objects are thick enough to be noticed.

Two more things to check is that you are using the right kind of actor to sense the collision. It should a normal actor or a filled region. The other thing to check is that there is no overlap between the objects(enemy ships and filled region) at startup; the collision may not be detected.

Make sure you dont mix up "event actor" and "collide actor", or any of the others. You can always explicitly specify "enemy1" and "left barrier" or whatever. It makes it easier to read your own code later too.

Welcome and good luck!

Hi, Threefingerspete!

Thanks to you and Makslane I resolved the problem. I sent Makslane a copy of the unfinished tutorial and he spotted the specific problem. But what you just told me will help me in the future. Thanks alot for being there and caring.

I used to try to use GM but it really sucked!!! When I started to work with GE, well need I say anymore. I don't want to offend any GM supporters out there that might see this post.
Don't be a stranger. Look at my member profile and it will give you various options on how to contact me outside this forum if the need ever arises.

Thanks For Making Me Feel Apart Of The GE Community!