Brain Surgery

1. Artificial Intelligence in Video Games Brain Surgery Damián Isla, Director of Technology Moonshot Games

2. Two Fundamental Truths

3. FT#1: The hard stuff is easy, and the easy stuff is hard Corollary: Game AI is 10% looking smart and 90% not looking stupid

4. FT#2: AI is for making computers smart. Game fun Corollary: Game AI is 50% programming and 55% design

7. An Example

8. An Example Position selection - or - “Where do I stand right now?”

9. Pathfinding How do I get from A to B? But assumes we know where B is.

10. Position Selection Pick a spot that is • at the right range from my target • has a clear line of sight • near to me • etc.

11. Position Selection: Method range(p) = 7 (meters) F(range(p)) = 3.0 (happy units) Range: LOS: Distance: Total: 3.0 10.0 0.5 4.5 HIM 4.5 ME Fun!

12. Position Selection: Method 2.1 2.8 3.8 4.5 4.1 3.2 HIM 1.9 2.5 3.5 4.7 4.5 4.1 3.2 1.6 2 2.6 ME 4.7 4.8 4.8 3.3 1.1 1.7 2.4 2.8 3.1 3.5 3.8 1 1.5 2.1 2.5 2.7 2.8 3

13. Demo

14. Thanks!