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Artificial Intelligence in Video Games
BRAIN SURGERY
Damián Isla,
Director of Technology Moonshot Games
Two Fundamental Truths
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
FT#2:
Game AI is for making
computers smart.
Corollary: Game AI is
50% programming and 55% design
AN EXAMPLE
An Example
Position selection
- or -
“Where do I stand right now?”
Pathfinding
How do I get
from A to B?
But assumes we know where B is.
Position Selection
Pick a spot that is
 at the right range from my
target
 has a clear line of sight
 near to me
 etc.
Position Selection: Method
Range:
3.0
LOS:
10.0
Distance: 0.5
range(p) = 7
F(range(p)) = 3.0
4.5
HIM
(happy units)
4.5
ME
Total:
(meters)
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 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
DEMO
Thanks!