Tag Archives: tgridpanel

Memory 3D – Full Source Code Delphi Game

Memory3D“If you want it to be playable and more interesting you need to jazz it up a bit!”

That’s what’s been cooking in my head from the time I’ve finished implementing the back end for the game of Memory (Match Up, Concentration, or whatever you are used to call it). As a proof of concept, I’ve coded a very simple application, aka the front end for the game – juts to have a workable user interface.

Now, the time has come to finish the series and introduce a more eye candy version of the game, one that’s not using dull buttons with numbers for field display values but that actually looks like card game type of Memory, with nice fancy images/icons for game fields. Why stop there? Why not go a step forward and introduce a new dimension for the game: make it 3D having fields appear on planes/layers, so players need to switch between planes to match a pair.
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Coding a Game of Memory in Delphi – The User Interface

Delphi Memory game in actionIn my previous post, Coding a Game of Memory in Delphi – OOP Model, I’ve been developing the model, aka the back end, for the Memory (Match Up, Concentration, …) game. The idea was to separate the game logic from the user interface (aka the front end). As a result a few classes were introduced: TPlayer, TField and, of course, the main class/object TMemoryGame implementing all the code required to run the game.

Having only the model does not help us much if we actually want to play the game. Therefore, this time, we go into building the user interface in Delphi.

Since the TMemoryGame class is framework agnostic (and not platform specific), it is up for you to decide if you would like to do a classic Windows VCL application, a FireMonkey Android mobile game or something that works on a Mac. To make it quick and simple, I’ll go old-style VCL school.
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Quick Tip: Dynamically Add Rows, Columns and Controls to Delphi’s TGridPanel

Delphi’s TGridPanel control is an ideal pick when you want to create grid-flow like user interface layout for your controls.

To place controls on a grid panel you specify the number of rows and columns (RowCollection and ColumnCollection properties) and simply drop a control on it. Unlike standard TPanel, when you drop a control on a GridPanel it will be placed in the next available empty cell in the grid. As you add more controls the grid will grow either by rows or columns being added automagically (or not, if the ExpandStyle poroperty is set to emFixedSize). What’s more you can even determine how each cell will be sized: will it have a fixed size, or a percentage of the grid size – so you can have controls nicely uniformly distributed in a grid.

That’s all great when you know the design at design-time – and you know what number of controls you want to be hosted by the grid panel.
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