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Finding the Path. The Mathematics of Navmeshes and How Video Game AI Learns to Navigate
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- Nombre de pages172
- FormatePub
- ISBN978-3-565-28440-5
- EAN9783565284405
- Date de parution01/03/2026
- Protection num.pas de protection
- Taille827 Ko
- Infos supplémentairesepub
- ÉditeurEmphaloz Publishing House
Résumé
When a dragon swoops down to attack you, or an enemy soldier flanks your position in a video game, it feels like they are making intelligent, independent decisions. In reality, they are completely blind to the beautiful 3D world you see. Instead, they are reading a hidden, invisible layer of geometry called a Navigation Mesh (Navmesh).
A Navmesh is a simplified floor plan composed of interconnected polygons that tells the AI exactly where it can and cannot step.
Before Navmeshes, early game enemies used simple waypoints or grid systems, frequently getting stuck on walls or walking mindlessly into corners. By calculating the shortest distance between polygon nodes using algorithms like A*, developers allowed NPCs to fluidly navigate complex stairs, jump over gaps, and pursue the player without looking robotic. This technical deep-dive translates the complex mathematics of AI pathfinding into an accessible history of game design.
We explore how dynamic Navmeshes revolutionized open-world games, allowing the environment to recalculate routes in real-time when a bridge collapses or a car blocks an alleyway. For gamers and aspiring developers, understanding this invisible architecture shatters the illusion of artificial intelligence. Discover the brilliant geometric tricks that give digital characters the illusion of spatial awareness.
Before Navmeshes, early game enemies used simple waypoints or grid systems, frequently getting stuck on walls or walking mindlessly into corners. By calculating the shortest distance between polygon nodes using algorithms like A*, developers allowed NPCs to fluidly navigate complex stairs, jump over gaps, and pursue the player without looking robotic. This technical deep-dive translates the complex mathematics of AI pathfinding into an accessible history of game design.
We explore how dynamic Navmeshes revolutionized open-world games, allowing the environment to recalculate routes in real-time when a bridge collapses or a car blocks an alleyway. For gamers and aspiring developers, understanding this invisible architecture shatters the illusion of artificial intelligence. Discover the brilliant geometric tricks that give digital characters the illusion of spatial awareness.