Access 2D & 3D Flat Arrays 1D

flat_array.cs

// 2D array to 1D array
array[x,y] = array[y*width+x]

// 3D array to 1D array
array[x, y, z] = array[x+width*(y+depth*z)]

array[x, y, z] = array[x + HEIGHT* (y + WIDTH* z)]
array[x, y, z] = array[(z * xMax * yMax) + (y * xMax) + x]
 
 
// reverse: get x,y,z values from 1d index
var x = index % cells;
var y = (index / cells) % cells;
var z = (index / (cells * cells)) % cells;