How to generate parts in a spiral pattern

[GodLikesYou (john)]

I want to generate parts in this pattern, also i want to generalize the pattern so that if i type a specific number, i can teleport to the corresponding position

[cakeycocoa (StarvinMarvin)]

Fill Matrix in Spiral Form from center

C++

int size = 7; int matrix[size][size]; int dy[] = { 1, 0, -1, 0 }; int dx[] = { 0, -1, 0, 1 }; int directionCount = 4; int ringCount = (size - 1) / 2; int y = ringCount; int x = ringCount; int repeatCount = 0; int value = 1; matrix[y][x] = value++; for (int ring = 0; ring < ringCount; ring++) { y--; x++; repeatCount += 2; for (int direction = 0; direction < directionCount; direction++) for (int repeat = 0; repeat < repeatCount; repeat++) { …