oosyrag's Forum Posts

  • Same answer? Or maybe I still misunderstand...

    Whenever you collect a star on any level, add it to a global variable counter. You now have the total number of collected stars from all levels.

    Global variables are global in that they keep their value across layouts.

  • Sorry it's not the value that's unknown, it is the number of them.

    For example, I can get the distance to each image point on a sprite, and I want to track the nearest/farthest one. But the number of image points may vary, depending on the animation frame/state, so I can't just use the min/max expressions...

  • Got it, it was instance 0. But first you may need a "pick all sprite" condition. The IID is an indexed list of only currently picked objects - so depending on how you had your events set up, if you just created one, that would be the only picked instance, therefore Sprite(0) is that one. If you pick them all, Sprite(0) is the oldest. Here is an example - https://www.dropbox.com/s/am9vst1j6bl6ily/iid.capx?dl=0

  • Whoops maybe I was backwards. If 0 is the newest, then Object.Count-1 should be the oldest.

  • https://www.scirra.com/manual/124/system-conditions

    [quote:1yn1gpzj]Pick Nth instance

    Pick the instance at a given place in the internal list of picked objects. This is most useful used in sub-events to act on separate instances. For example, in a "Sprite collided with Sprite" event, Pick 0th instance and Pick 1st instance can be used to act on each instance involved in the collision separately.

    If all objects are currently picked, this condition can also be used to pick an object by its index ID (IID). For more information, see common features.

    After picking the 0th instance (oldest), you action (destroy) will then only apply to that instance.

  • I don't think three is anything built in. What would be your usage?

    Actually I would probably have a seperate dedicated semi transparent sprite with angle markers I would use as a reference for ranges when doing level design. Just drag it around to wherever i need it and destroy on start of layout.

  • How do you want them to spawn then? You can position them however you want after creating them.

    One way is to move at angle, for example 20 pixels at random(360) degrees.

  • You can add an animation frame to your character for debugging purposes only. Just replace the character sprite on that frame with a circle with width/height of range*2. Similar idea if you want a cone.

  • System-repeat.

    ceil(random(5)) is the expression for how many times to repeat. Ceil() rounds up.

  • Sorry about that, it should be repeat tokencount(AJAX.LastData,newline).

  • Use a global variable to keep track of total stars collected. For example lets call it TotalStars.

    On star collected - (System Actions) Add 1 to TotalStars.

    Then to display, you can use a text or spritefont object to set text to TotalStars.

  • On Asteroid Destroyed

    Repeat ceil(random(5)) times - Spawn Minerals

  • Mind if I refer to your server in a tutorial? This seems like a fairly common question, and useful as well.

  • Is there a way to use the min/max() expressions in a situation where the number of values to evaluate is not predetermined?

    My current workaround is to push the set of values into an array, sort, then get the front or back value. I was wondering if there were any different methods.

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  • Responding to PM from CBelle requesting clarification here for the benefit of others.

    AJAX is not just for images. By using the "Request project file" action, you can load the contents of your previously imported project file to memory. This is accessible through the AJAX.LastData expression.

    With the conditions "AJAX on completed" and "repeat tokencount(AJAX.LastData,newline) times", you can loop through your text file and get each word with the expression "tokenat(AJAX.LastData,loopindex,newline)". Normally you would store each word in an array or dictionary, but if you want to put it directly in a list object you can do that as well by using the list's "Add item" action.

    Edit: fixed tokencount expression