The Tactician

A sailing regatta visualization tool demonstrating how wind shifts affect the geometry of the race course, laylines, and ladder rungs.

Features

• Interactive wind and current controls (drag to adjust direction and speed)
• Layline visualization with port/starboard tack calculations
• Ladder rungs showing distance to mark
• Start line bias and mark shift adjustments
• A/B scenario comparison mode
• Draggable yacht positions with tack toggle
• Real-time polar diagram

Run Locally

Prerequisites: Bun

bun install
bun run dev

Open http://localhost:3000 in your browser.

Build

bun run build
bun run preview