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| wmebook:ch2 2008/07/21 19:45 | wmebook:ch2 2008/07/21 19:47 current | ||
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| Those loops are very nice for some background processes you need to carry on for the whole game. For example you can check if the background music is playing and if it stops, you can play another song from the play list or in the demo project those processes handle caption displaying. | Those loops are very nice for some background processes you need to carry on for the whole game. For example you can check if the background music is playing and if it stops, you can play another song from the play list or in the demo project those processes handle caption displaying. | ||
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| </code> | </code> | ||
| - | //**Syntax rule no. 5** | + | //**Syntax rule no. 6** |
| function name must contain only alphanumeric characters and there shouldn't be any whitespace characters.// | function name must contain only alphanumeric characters and there shouldn't be any whitespace characters.// | ||
| Everything should be very clear at this point. If it’s not, please review the previous chapters before you can understand what’s going on. The only important thing is that we passed to **if** command, instead of our good old direct comparison, a //function//, which returns true or false. **if** command evaluates the function (which in this case returns //false//) and then executes the //else// block. | Everything should be very clear at this point. If it’s not, please review the previous chapters before you can understand what’s going on. The only important thing is that we passed to **if** command, instead of our good old direct comparison, a //function//, which returns true or false. **if** command evaluates the function (which in this case returns //false//) and then executes the //else// block. | ||
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| ====== 2.5. Includes ====== | ====== 2.5. Includes ====== | ||
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| **Important:** | **Important:** | ||
| Never initialize your variables in the include files. They will get reinitialized with every inclusion of your script. | Never initialize your variables in the include files. They will get reinitialized with every inclusion of your script. | ||
| - | |||
| - | <code script> | ||
| - | for (var a=0; a<10;a=a+1) Game.Msg("Hell"); | ||
| - | Game.Msg("1"); | ||
| - | for (a=0; a<10;a=a+1) Game.Msg("Hell"); // note that I had to put the var away as it was already declared before. | ||
| - | Game.Msg("2"); | ||
| - | for (a=0; a<10;a=a+1) Game.Msg("Hell"); // note that I had to put the var away as it was already declared before. | ||
| - | Game.Msg("3"); | ||
| - | </code> | ||
