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Math In Game Development Summit: The White Box Black Box: Demystifying BSP

Christopher Forseth (Professor of Practice, SMU Guildhall)

Location: Room 2006, West Hall

Date: Tuesday, March 17

Time: 3:00pm - 3:30pm

Pass Type: All Access Pass, Core+Summits Pass, Summits Pass - Get your pass now!

Topic: Programming

Format: Session

Vault Recording: TBD

Audience Level: Intermediate

Constructive solid geometry (CSG) is a powerful and intuitive geometric algebra with a wide variety of applications in 2D and 3D games, and Binary Space Partitioning (BSP) is a common and powerful data structure for implementing CSG. In this talk we use BSP to implement a 2D level editor using a CSG system, providing intuitions for the construction and aliasing of BSP Trees and complex polygonal geometry.


Attendees will leave with a greater understanding of BSP trees and how to use them for constructive solid geometry in level building and mesh manipulation.

Intended Audience

Gameplay, engine, and tools programmers looking to improve their understanding of BSP trees and gain better intuitions about how and when it is useful in level building and mesh editing. Attendees should have a basic working knowledge of simple data structures (pointers, trees), geometry (polygons), and linear algebra (vector, dot product).