Room Builder (Oblique Cabinet Grid)

Grid cells: parallelogram 120px top/bottom, 90px tall.
Projection uses shear based on z angle 71.6° (skew ≈ 18.4°).

Floors
Blocks
Controls
• Click to place selected floor/block.
• Right-click a cell to erase floor + block at that cell.
• Exit mode: click to place an exit (can be just outside edges); you’ll be prompted to connect it to a room + location.
• Rendering: back rows draw first → front row overlaps behind.