Gets the sum of all the values within a circular region. Only works when the cells are numbers.


ds_grid_get_disk_sum(index, xm, ym, r);

Argument Description
index The index of the grid.
xm The x position of the disk on the grid.
ym The y position of the disk on the grid.
r The radius of the disk on the grid.

Returns: Real or String


This function can be used to add all the values all the cells found within the defined disk area of a grid together, as shown in the image below:


val = ds_grid_get_disk_sum(grid, 5, 5, 2);

The above code will set the variable "val" to the sum of all values contained within the given disk of the ds_grid indexed in the variable "grid".

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