August 25, 2026

Playing a videogame with features

 The pictures shows a neural network which determines the next action for a character in a videogame. The network needs 20 input features which are player_pos, energy, last jump height, distance to enemy and some other features. The hidden layer of the network determines the current situation its a feature-to-information layer. The output layer provides the action itself submitted to the game pad.

The intelligence of the neural network doesn't depend on the training algorithm because its a simple backpropagation algorithm with nu tuning, but the intelligence depends on the input features. These features were chosen manual by a human to mirror the current game state in a meaningful way. The goal is to provide the smallest amount of features and ensure that the data are updated in realtime. 

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