dop2000's Recent Forum Activity

  • Here you go:

    https://www.dropbox.com/s/h67nu1sqfome3 ... .capx?dl=0

    You can replace event #2 with this:

    Small->Set position to Big

    Small->Move at angle (angle=a, distance=d)

  • tunepunk

    In this case you have to wait not just 1 tick, but several seconds! Objects are created, they are moving on the screen and everything, but you can't pick them with events for several seconds.

    And somehow this event fixes it:

    On object created -> Wait 0

    Which doesn't make sense, because there is nothing else in the event, so "wait 0" should have absolutely no effect.

  • This is not a bug.

    Textbox is a form control and it "intercepts" all input, as far I know you can only detect when Esc and Enter keys are pressed.

    You can make your own version of the TextBox using Text or SpriteText object, here is a tutorial:

    https://www.scirra.com/tutorials/739/your-own-textbox

  • This is definitely a bug.

    I suggest you report it:

    bugs_f151

    But don't post your capx, it's impossible to understand what's going on there!

    Here is a very simple capx demonstrating the problem:

    https://www.dropbox.com/s/017qy6lc3alz9 ... .capx?dl=0

    Basically, when two objects are in a container, and one of them is a member of a family, when you use "create family" event, the second object from the container is created, but it's not "pickable" for a few seconds.

    And adding "wait 0" indeed fixes it, which is really weird as there are no actions after wait.

  • I would try to arrange the events in groups and use lokal group variables. For me that is much more clearer and lokal variables are some times the better choice over instance or global variables.

    Since he needs to store variables for several ship instances, neither local nor global variables is a good choice here.

    Instance variables or a dictionary is a way to go.

    If I had to store about 100 parameters for each ship, I would probably use a dictionary ("Ship").

    Add an instance variable ID on the dictionary. Create several instances of Ship with IDs =1, 2, 3 etc.

    Then pick Ship dictionary by ID and set/get its keys.

    One big advantage of the dictionary is that you can loop through its keys. Which you can't do with instance variables.

  • Check this link:

    There are a few good points why you shouldn't use many global variables in your games.

    You can use that Globals plugin, or any other "dummy" object to store instance variables, for example a small invisible sprite. As far as I know, there is no limit for a number of instance variables.

    Or instead of instance variables you can use a dictionary. Create a separate instance of the dictionary for each ship and store as many keys as you need.

  • It may be setting back to "Mirrored" in event 45.

    Try removing "Set mirrored" from event 45.

  • Here you go:

  • May I also suggest making a better English translation for future videos or hiring someone who can translate them into English.

    Even in that simple video it was difficult to understand you sometimes. If you are planning to release a paid Udemy course and teach more advanced stuff, you will need quality English translation.

  • Hi thanks, but that's not quite what I was aiming for. I did have it similar to this at one point, but it's the opposite to what I'm aiming for.

    The screen (the one that's spinning) should always have a straight selection box, while the actual sprite off-screen can have whatever angle selection as required.

    Don't ask me how, but I did it! I was throwing random sines and cosines into the formulas and BAM! it worked! <img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile">

    https://www.dropbox.com/s/lmie9krwnz0kt ... .capx?dl=0

    Well, not random of course, it's based on this rule, but still I was quite surprised when I found the right combination or angles and expressions.

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  • Yeah, polygon checks are slow, especially when there are thousands of them performed on every tick.

    But this is not a secret knowledge..

    And there are many situations where you need collision checks, and where it's impossible to replace them with simple events like "compare X/compare Y".

    Are all your optimization tips about decreasing the amount of collision checks?

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dop2000

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