Diagonal III

Someone just wanted to animate boxes in diagonally. The key is mapping ℕ✕ℕ → ℕ by the Cantor pairing function!

This does not depend on data initially being sorted, or in any particular shape or arrangement; it could be square, rectangular, sparse, etc.

See also:

• Straight diagonal using comparator on existing data
• Stepped diagonal using Cantor pairing comparator on existing data
• Zigzag diagonal using alternating Cantor pairing comparator on existing data
• Generating by triangular numbers