Ambrosia Garden Archive
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    • What causes this?

       EV Developer's Corner
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      I have prepared a ship plug and the image on the screen is messed up so that the top of the image is on the bottom of the ship and vice versa.
      Top and bottom are in two halves and they are in a lightish square (like a frame of a picture).
      The two halves flicker and swap ends. Lousy description but hard to describe.
      this phenomenon is also visible in shipwrite 1.1.8, in the spin panel.

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      It means you have the wrong numbers in your spďn for that ship (xSize and ySize), and the game thinks it's bigger than it actually is; or, alternatively, that you have a white border around your sprites that's offsetting them a bit (less likely, but it did happen to me once).

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      Your problem is most likely caused by the size of the individual cells within the 6x6 spďn grid. Each individual cell's dimentions HAVE to be devisibal by 8. ie Each spďn must consist of a 6x6 grid of cells, each cell must be 8x8 pixels in size or 16x16 pixels in size or 24x24 pixels in size etc.

      The easiest way to check this on your existing spďns is devide the dimentions of the whole graphic by 8. If you come up with a whole number, it should work, if you come up with a number with a decimal point in, then that's your problem.

      All the best!

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      PED
      new media, new ideas.
      "Palm Pilot, that sounds like a w@nking machine!" Brian Blessed

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      Try using R&R;'s ShipWrite. It makes doing sprites waaaaay easier.

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      Quote

      Originally posted by Hudson:
      Your problem is most likely caused by the size of the individual cells within the 6x6 spďn grid.

      If this were the problem, wouldn't he be dealing with the dreaded 'crackling graphics'? I think you have the right solution to the wrong problem... but of course I very well might have no idea what I'm talking about.

      Quote

      Originally posted by goomeister:
      **Try using R &R;'s ShipWrite. It makes doing sprites waaaaay easier.
      **

      Actually, I find it easier to do sprites in Resedit. It's one place where resource numbers don't matter (as long as you keep them clear of everything else) so it's no challenge at all to just copy in the PICTs and create a spďn resource, the easiest and clearest of all the rescources in EV. Then, you know where everything is and that everything is done right. Maybe it's just some bad experiences I had with EV-Edit, but I much prefer to have solid, concrete knowledge about what's going on with my sprites.

      (This message has been edited by Squibix (edited 01-04-2001).)

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      Quote

      Originally posted by Squibix:
      **If this were the problem, wouldn't he be dealing with the dreaded 'crackling graphics'? I think you have the right solution to the wrong problem... but of course I very well might have no idea what I'm talking about..

      (This message has been edited by Squibix (edited 01-04-2001).)**

      I had the same problem about two years ago. I checked the EV Bible for anything I had missed, and that was all I came up with. I made the nesesary adgustments, and I havn't seen that problem cince.

      Still worth a try though.

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      PED
      new media, new ideas.
      "Palm Pilot, that sounds like a w@nking machine!" Brian Blessed

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      Quote

      Originally posted by Hudson:
      **I had the same problem about two years ago. I checked the EV Bible for anything I had missed, and that was all I came up with. I made the nesesary adgustments, and I havn't seen that problem cince.

      Still worth a try though.

      **

      Than your a lucky one. Being battleing that problem ever since 1.0.2. though not just in standard EVO, but in my STEVO plugin. It actually is a fault of the engine, not plugins or the design of EVO itself. The "flicker" is caused by a (random?) rotation in the spin that shifts down to the sprites below it for just a frame. Unfortunatly, that frame is very noticeable.

      I've been trying to fix this bug and isolate the "affected" frames from the spins but as I've said, it is pretty random.

      Maybe one day I'll find a pattern...

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      I don't think there's a pattern at all 'cause I'm also making a TC and I've never noticed this before, and I have 40 to 50 of the new ship graphics in and working already. Of course I've been so busy chasing down other bugs I haven't been really paying much attention to the ship sprites. If I notice any unusual patterns I'll post a description of them and maybe it'll help you find some sort of overall pattern.

      Phoenix

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