Returns the width of a grid.


GML Code Example


Argument Description
index This index of the grid to find the width of.

Returns: Real


This function will return the width of the given grid. This value is the number of cells the grid has along the x-axis and is always an integer, as shown in the image below:


GML Code Example

var i, j;
 for (i = 0; i < ds_grid_width(grid); i += 1)
    for (j = 0; j < ds_grid_height(grid); j += 1)
       if ds_grid_get(grid, i, j) = 1
          instance_create(i * 32, j * 32, obj_Wall);

The above code will loop through the ds_grid indexed in the variable "grid" and if the value found in any specific cell is equal to 1, it will then create an instance of "obj_Wall" at the appropriate position within the room.

Back: DS Grids

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