A 2D terrain editor should let creators think in terrain—not in a catalogue of corners, edge tiles, and one-off fixes. When a map is built tile by tile, a small visual change can become a maintenance problem. Paint a new patch of ground and suddenly every transition, slope, collision boundary, and layer relationship needs attention. That friction is exactly what we set out to remove. The terrain problem with tile-by-tile editing Traditional tilemaps are powerful, but they ask ...