dop2000's Forum Posts

  • They are not hacking the leaderboard. They are posting fake http-requests with fake scores to the leaderboard. You can't do anything to prevent this. The only solution I know of is to encrypt/hash the scores, but this can still be hacked.

    .

    I remembered a story I witnessed a few years ago. A big international travel organization held a contest on their Facebook page. Every day they posted a video clip filled with small clues about some place anywhere on Earth, and you had to find and tag this place on Google Maps. They were giving $1000 to the fastest winner every day and a grand prize of $10.000 on the final day.

    I tried my luck a couple of times and it took me about 1-2 hours to find the place. The winning times were under 1 minute! It was impossible to even watch the entire video in 1 minute! So people were obviously cheating. The organizers ignored these accusations until someone posted detailed instructions describing how their contest was hacked. Needless to say, thousands of people who spent days trying to win money were furious..

  • You can generate a hashed string from the score value and send it together with the score. Then validate this hash to check if the score is valid. I don't know if EasyLeaderboard allow this though. Still, this will not protect from an experienced hacker.

  • If you are giving valuable prizes for best scores, you should not use services like this. You don't even need to be a "hacker" to submit a fake score, there are tools and apps that make this job really easy.

  • There is also a ternary operator:

    Set text to X>(Y+50) ? "yes" : "no"

  • Wow, it looks really cool! Great job with particles!

  • Resizing looks smooth in the editor because you have 8x8px grid (the same as your tiled background size). If you disable "snap to grid" you will see that it works the same as in the preview.

    To fix this, set TiledBackground Hotspot=Left and set Angle=180.

  • "On touch end" event you can get touch speed and touch angle and use these values to apply momentum to the sprite. For example: "Set Bullet speed to Touch.SpeedAt(0)/2, Set Bullet angle of motion to Touch.AngleAt()". Or, if you are using Physics - "Apply impulse .. at angle .."

    Rotation is trickier. You can use angle(sprite.x, sprite.y, touch.x, touch.y) and distance() expressions to get the angle and distance of the grab point relative to the sprite center. Say, if angle() is counter-clockwise from the angle of motion, rotate object clockwise. Set rotation speed depending on the distance. With physics - set angular velocity.

  • No worries! :)

    I played your game, it's pretty fun! I reached room (level?) 5, but I think after a few rooms it gets a little repetitive. I'm guessing new obstacles and enemies appear on later levels?

    Want to try my latest game? :)

    planetotron.com/Demo

  • Try something like this:

    Set X to min(lerp(self.X, 470.5, 0.3), 470)

  • I'm not sure if this is the same issue, but check out this post:

    construct.net/en/forum/construct-2/how-do-i-18/how-do-i-zoom-and-scroll-to-a-132242

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  • NAF

    I never used these plugins, but decided to give it a try:

    dropbox.com/s/s6t30ngl3u2ezqr/block%20push%20rex.capx

    I also did this only for moving UP, it should be easy enough to modify the function to work for all directions.

  • demosthenesk You don't need the loop and the variable. Just pick all instances on the screen and use .PickedCount expression.

  • I think it's easier to use mid() expression here:

    System compare two values mid("foo bar", 4, 1) equals "b"

  • Are you using Persist behavior? Or maybe you are saving the game before going to level 2 and load it again when returning to level 1. If this is not the case, please post your project file.

  • Change scaling mode in project properties. See this link:

    scirra.com/tutorials/73/supporting-multiple-screen-sizes