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Designing Games with GameMaker
Designing Games with GameMaker


You can use 1- and 2-dimensional arrays in GML. Simply put the index between square brackets for a 1-dimensional array, and the two indices with a comma between them for 2-dimensional arrays. At the moment you use an index the array is generated. Each array runs from index 0. So be careful with using large indices because memory for a large array will be reserved. Never use negative indices. The system puts a limit of 32000 on each index and 1000000 on the total size. So for example you can write the following:

  a[0] = 1;
  i = 1;
  while (i < 10) { a[i] = 2*a[i-1]; i += 1;}
  b[4,6] = 32;

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