Build the Game

Engine

PixiJS

Play the Game

Build my own KIT

Neural Network

Model

• Horizontal distance to next pipe
• Vertical distance to upper pipe
• Vertical distance to lower pipe
• The height of the gap between pipes
• Bird vertical speed
• Bird horizontal speed

Inputs

Output

• Flap the wing

Train the model

Labeled Data

Find the answer from

Evolution

Evolution Algorithm

Gene

Crossover

Mutation

Selection

Premature

Noise is important

Tournament

Fitness

• + How long it flew

Pipe Challenge

Passing a pipe is way harder than just flying

Fitness v2

• + How long it flew
• + How many pipes it passed * 1000

1st Gen issue

Fitness v3

• + How long it flew
• + How many pipes it passed * 1000
• - Distance from the gap when failed

Birds love sky and ground

Fitness v4

• + How long it flew
• + How many pipes it passed * 1000
• - Distance from the gap when failed
• - 500 when hits sky or ground