问根据项目数量和屏幕比例拆分屏幕

EN

// Set this to the desired x-to-y ratio.
const preferred_ratio = 1.2; 

function calc_cols_rows(In: screen, In: num_items, Out: num_rows, Out: num_cols) {
  desired_aspect = (screen.width / screen.height) / preferred_ratio;

  // Calculate the number of rows that is closest to the desired aspect:
  num_rows = round(sqrt(num_items / desired_aspect));

  // Calculate the required number of columns:
  num_cols = ceil(num_items / num_rows);
}