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    Crabby Ball [beta] - 2D Android game

    ( LATEST SCREENSHOT: 29-August )
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    ( ------------------------ )



    Hi All,

    My name is Denys Almaral, a 3ds Max artist with game development dreams, becoming true thanks to UE4.

    30 days ago (December 3) I re-subscribed to download 4.6, and decided to be serious this time in learning blueprint programming with UE4 editor. I tried before, but I only watched some videos and sample demos. This time, after an intense week of tutorials and sample explorations, I decided to start my first 2D simple game for android devices, experimenting with this gameplay: Where the first early version of my game born (YT Video)
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    Today this is what I have from 20 days of work (Art Director Mary Navarro helped me with the 2D graphics): Crabby Ball BETA game-play teaser (YT VIDEO).

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    Crabby Ball is a simple 2D physics platformer game in which you have to control the ball with little Crabby's head, and the objective is to try to cross the ball over or trough a colorful sign. It currently has 12 levels.


    Notes about my experience UE4:
    - I love the editor and blueprints programming, I already had a background programming with Delphi 7, MAXScript and I can read (read-only) C++ code. My intention is to avoid C++ programming and work only with blueprints in the editor.
    - Working with UE4 editor and blueprints is AWESOME except when it CRASHES (My answer hub user with crash reporting and questions)
    - Any crash has a reason, if you find the reason you fix it and continue working without stopping your UE4 project. (See here how I found an Opening-Project-Crash by deleting and isolating project files until the "reason" showed up)
    - It was a good decision to forget all my 3D knowledge and keep simple with 2D graphics to focus on blueprint programming.

    Install CrabbyBall from Google Play

    Remember the game is still Work In Progress! But you can try the first 12 levels.
    https://play.google.com/store/apps/d...ral.CrabbyBall

    Thanks! Any comments or questions would be very appreciated!





    Regards,
    Denys
    Attached Files
    Last edited by piXelicidio; 08-29-2015, 10:12 AM. Reason: more links
    Regards,
    Denys

    WIP: Crabby Ball (2D platform game)

    #2
    I'll keep sharing more notes about past and future development of Crabby Ball on this thread:


    Translucent sprites

    The first issue you will face when working with sprites with translucent material from using .PNG images is the drawing order problem. I assumed first that setting different depth (Y coordinates) will be enough to create the layers of my game... FAIL! Translucent materials in 3D engines are sorted by object position and they not take benefits of rendering Z-Buffer. Then the magic property is: "Translucency Sort Priority", from Rendering category of sprite details.

    Here is the problem and solution on answerhub (Thanks to Eric Ketchum for the help): https://answers.unrealengine.com/que...ing-trans.html

    Unstable Physics

    Would be very bad if your gameplay depends on Physics and it behave different when running on different devices with changing frame-rate. Using console command t.maxFPS 40, I though was good to limit frame-rate to safe some CPU usage but while the game runs always fine in my PC when playing it on Galaxy S2 sometimes the ball behaved like having half of its gravity force. Removing the console command fix it, but my game is still not completely safe of glitches, specially when the level have just loaded the player jump and send the ball at very high speed... I managed to clamp its velocity vector after any impact but this is not very nice solution.
    I have tried sub-stepping and many configuration combinations until my game is acceptable but I'm not completely satisfied. What I'm think is to avoiding, making my game-play depending on UE4 physics next time .

    Android compatibility and package size

    A lot is already said about this subject here in the forums and answerhub. If you are making a simple 2D game you will enjoy the developing process but your game will suffer a big disadvantage on google play competition because your app will require a nice GPU and more than 36MB (minimun download), while a similar 2D game made elsewhere will run on almost every phone with less than 10MB of download size.
    Last edited by piXelicidio; 01-04-2015, 11:04 AM.
    Regards,
    Denys

    WIP: Crabby Ball (2D platform game)

    Comment


      #3
      Good-Morning-Crashes

      This is when you left your project last night working perfectly then in the morning with your head full of new ideas to implement and then UE4 crashes on your face from the first time you click Play In Editor. Without modifying anything, without a clue, without apparent reason.
      https://answers.unrealengine.com/que...-with-461.html

      Changes and additions:

      - For the new update the ball will be bigger, double size ... more fun and easy to handle.
      - New optional controls will be added: Tap left/right of the screen to move left/right and swipe up to Jump.
      - Was hopping today to work on main menu, level selection, options, and test new ideas... let's see when I can get rid of the current crash
      Regards,
      Denys

      WIP: Crabby Ball (2D platform game)

      Comment


        #4
        Game's looking good. Though the current controls feel a little odd (or I'm just too stupid to get used to them ).

        Comment


          #5
          Hi @Fuchs, thanks for trying it, yes is not an easy task make good controls for a platformer that need movement precision, hope you like better the new controls in the next update
          Regards,
          Denys

          WIP: Crabby Ball (2D platform game)

          Comment


            #6
            Very nice, a simple but fun game design. Clever, because it will mean making new levels will be pretty simple to do.

            I played through to level 11 in one sitting, but had to call it quits there its very challenging - I'll try again later ;-)

            Personally I found the controls easy and intuitive to use, but I would be interested in trying the other controls you described (left right screen regions / swipe jump)

            The game performed well on my S4 (given it sounds like you are testing on a S2 that's not surprising) the player character does get a bit jittery when moving fast in one direction though, the clouds were still moving smoothly.

            Do you have plans for collectables? I noticed with levels like level 8 you can actually take a slightly easier path by balancing the ball rather than trying to knock it over the top, having collectables along the top route would reward people for taking that path over the easier one which makes it more competitive and give it a higher replayability.

            How about moving platforms in later levels? I could imagine a spinning platform with 4 prongs could be an interesting challenge.

            In terms of aesthetics, I do like its simplicity. Here are a few ideas you can take with a grain of salt. Secondary motion on the player would be nice, a bit of drag on his claws, and maybe even some subtle rotation of his body when he is moving and overlap when he jumps and lands. It would be good to get his little feet moving as well, even if it's just up and down in alternating pairs. I love how his eyes follows the ball, maybe even put a blink in there when he hits the ball from a great height. Parallax on those clouds would go a long way aswell :-)

            Its a shame about the engine size, the size of the download was something I noted straight away.

            Sorry for being so wordy, but I think it has a lot of potential and am looking forward to seeing more developments!

            Comment


              #7
              Hi @Laz84! That's was a nice constructive analysis of my game! Thank you very much!

              I'm happy to tell you that many things you're pointing out are already in the roadmap! for fixes and additions! And it's great that you take the time to write me such a descriptive feedback!

              - The jittery of the player movement I thing is a bad synchronization of Camera Tick Event when updating the X position relative to the Player... I need to find a workaround on this to fix it!

              - Current controls are ok for people like me that came form PC games, but mobile players are not very friendly with these buttons, using both thumbs for lateral movement increase precision, but we need to get used to the swipe-to-jump. Both options will be available.

              - Yes! Crabby will collect sea stars (starfish)! I was against adding collectibles without a good reason, but then I found a good reason for it: You can spend Starfish currency skipping "hard to win" levels, unlocking new ball designs, and the most fun: Unlocking new mini-game modes, where you can also win more Starfish!! Already have about 5 modes in mind (Thanks to the easy of making versatile levels with UE4 )
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              - The claws? Yes ... they are already individual sprite elements that I can animate. More fancy animation and ornamental things could be added in a later stage, keeping the simplicity and keeping the SIZE bellow 50MB for upload to google play.

              - As you can see the ball has double its size! This was a hard decision because now I have to redesign all levels, but with a bigger ball the game play are more fun and easy to play for the starting levels.

              - Moving platforms? Yes.. and maybe some buttons and doors

              Thanks again, With more people like you giving me motivation and if the engine crashes allow me, I hope this game become something really fun.

              Cheers,
              Denys
              Regards,
              Denys

              WIP: Crabby Ball (2D platform game)

              Comment


                #8
                Exciting developments! I look forward to trying them out too.

                Comment


                  #9
                  Hi, the development of Crabby Ball was going very slow, with great pauses due to lack of time.

                  This is the current state you can play the HTML5 version with keyboard or controller: http://web.denysalmaral.com/games/crabbyball/

                  Good news are that version 4.8 fixed many things and added new features that allow me to make it better
                  The only thing I try to no think too much about it is the problem with incompatibilities with many devices, what make my game very weak to compete with other 2D games that runs on any device.
                  Regards,
                  Denys

                  WIP: Crabby Ball (2D platform game)

                  Comment


                    #10
                    Just one thing I noticed, when you fall or jump down, you won't die... for now that's a little game breaking
                    Otherwise, good start.

                    Comment


                      #11
                      Hi all!
                      Many small improvements and addition for the current version.

                      + More sounds and music.
                      + Crabby now talks some funny Spanish words! (because he is a caribbean beach crab)
                      + Improved old levels, added 5 new! (Level 1: Tutorial )
                      + 4 types of fish stars collectibles with increasing values.
                      + Ball can bounce to the ground 2 times before losing.
                      + Moving platforms!
                      + Teleportation doors!
                      + Best winning screen.
                      + Saving system implemented.

                      You can install here: https://play.google.com/store/apps/d...ral.CrabbyBall

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                      Crashes has gone forever in UE4 editor! Blueprinting is all fun!
                      Last edited by piXelicidio; 08-11-2015, 05:58 PM.
                      Regards,
                      Denys

                      WIP: Crabby Ball (2D platform game)

                      Comment


                        #12
                        The new features:

                        Regards,
                        Denys

                        WIP: Crabby Ball (2D platform game)

                        Comment


                          #13
                          More screen-shots:

                          Trigger to activate a cannon



                          Growing ball power-up





                          Protected ball and breakable blue bars:



                          Slow motion power-up:





                          Playing one of the new levels:
                          Regards,
                          Denys

                          WIP: Crabby Ball (2D platform game)

                          Comment


                            #14
                            New slowdown in development due to moving to new version 4.9, and dealing with many issues...
                            Additionally I have to take a pause on this for about a month because high workload.. :-/
                            Regards,
                            Denys

                            WIP: Crabby Ball (2D platform game)

                            Comment


                              #15
                              Clones and more cannons...

                              With UE4 version 4.10.0 seems like crashes has gone forever! And many small cool features that makes you feel better using the editor.

                              Finally we have splash screen for android!

                              Regards,
                              Denys

                              WIP: Crabby Ball (2D platform game)

                              Comment

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