Hello everyone! I was just making the first enemy in my game (a ninja) and I realized I would have lot's of enemys. I've been thinking, is it possible to add classes and tags to objects? I would use this so I can add a event somewhat like "On collision with .enemy" If you know if you can do this please tell me.

Families sort work like classes (requires license), and I often use them in a similar way to your example.

Instance variables can be used to create tags, amongst other things.

Turaco

Comparing by Y works, if you compare the object to a Family of that object.

You can use instance variables to remember their old position and local variables as temp storage for swapping position and instance variables.

Here's an example capx (r244)

So sub events are ONLY for sprite animations?

No, sub-events can be for pretty much anything, they just happen after the main event has been checked and is true. They are often used where there is something in common that you could check first.

For example, you might need to check lot's of different things, but only when an object is on screen. Instead of lot's of separate events that each check Is On Screen as one of their conditions, you could do Is On Screen as the main event, and then make all the other events sub-events of that.

EDplus

When you play a sound, there is an option for a Tag, set that to the RainCloud's UID which is unique to that object, then stop the sound using that Tag.

RainCloud - On Created - Play sound Rain, Tag = RainCloud.UID

RainCloud - On Destroyed - Stop sound, Tag = RainCloud.UID

We're developing mobile card game.

...

we draw all sprites in x2 size (like the original art is drawn in 696x696 and then scaled to .5) to give our sprites some kind of "reserve" in quality.

On the other hand, "approximate download" and "memory use" grow rapidly when a new portion of art comes.

A 696x696 sprite will be treated as a 1024x1024 sprite, since a lot of graphics cards (particularly on mobile) need to work with power of 2 images (i.e. 16x16, 32x32, 64x64, 128x128, 256x256, 512x512, 1024x1024, 2048x2048) and will pad out the image to the next size up.

See this blog post here

If you reduce the sprite to 512x512, it will only take a quarter of the memory of your current images and will probably give you a better balance between quality and performance.

Memory Usage:

256x256 = 256kb

512x512 = 1MB

1024x1024 = 4MB

2048x2048 = 16MB

Assuming you're filling your screen with 15 (5x3) cards, you could reduce your memory usage from 60MB down to 15MB, which is a big saving on mobile.

Also, just wanted to say that it's nice looking art you have.

Bobbyneal100

Look for an app that can bundle all your files into a single executable.

You can sort of do this with WinRAR, but it creates a temp folder that it extracts everything to before running, so the assets are still accessible, just not immediately obvious to basic users. There are also issues with saves/local storage, since they can't go into the WinRAR package.

Other executable bundlers might have similar issues.

JoshVillaluz

Glad to help. And sure, you can put the action to play the animation in the same event.

JoshVillaluz

Use Set vector Y and put a negative value (e.g. -128) to make the player bounce up.

You can also use Set vector X to make the player bounce away from the obstacle

Here's an example, that will bounce the Player back or forwards depending on where they are in relation to the Spike:

Set vector X = Player.X < Spike.X ? -128 : 128

Edit: Here's an example with higher values:

capx (r244)

Not really in much of a position to commision an artist for the artwork but if anyone artist like out there was generous enough (and I know artist need to make a living too) I could donate $20AUD through PayPal for them

Maybe take a look on Fiverr, there are some quality artists working very cheaply there.

its really a Little bit disappointing that nobody writes a comment

That's weird, I did post a comment with links, but it's not here now. Maybe some glitch with the website made it not post correctly, because I keep getting logged out every now and then.

Anyway, I commented how your story reminded me a little bit of Oddworld: Abe's Oddysee, which is a great game.

And I also commented that if you needed graphics for the prototype, you could look at using Kenney's Art Assets, but I see now you already have decent enough graphics with which to prototype.

Keep up the good work and don't get discouraged if people don't post.

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I posted a solution for dansilveira in another thread:

I'll update the dropbox link in that post soon.

EDIT: I've updated the dropbox link for the example capx (r233)