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Still cant get neat arena to work

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Peter Stockings
2026-01-14 11:13:33 +11:00
parent 840e597413
commit 60d4583323
32 changed files with 2015 additions and 244 deletions
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51
src/apps/NeatArena/NeatArena.tsx
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@@ -123,9 +123,8 @@ export default function NeatArena() {
};
}, [mapSeed]);
// Exhibition match loop (visualizing champion vs baseline)
// Exhibition match loop (visualizing best vs second-best AI)
useEffect(() => {
if (isTraining) return; // Don't run exhibition during training
if (!phaserGameRef.current) return;
const interval = setInterval(() => {
@@ -138,18 +137,15 @@ export default function NeatArena() {
return;
}
// Agent 0: Imported genome, current gen best, or spinner
// Get best and second-best genomes
const sortedGenomes = [...population.genomes].sort((a, b) => b.fitness - a.fitness);
const genome0 = importedGenome || sortedGenomes[0] || null;
const genome1 = sortedGenomes.length > 1 ? sortedGenomes[1] : null;
// Agent 0: Best AI
let action0: AgentAction;
// Priority: imported > current gen best > all-time best > spinner
const currentGenBest = population.genomes.length > 0
? population.genomes.reduce((best, g) => g.fitness > best.fitness ? g : best)
: null;
const genomeToUse = importedGenome || currentGenBest || population.bestGenomeEver;
if (genomeToUse) {
const network = createNetwork(genomeToUse);
if (genome0) {
const network = createNetwork(genome0);
const obs = generateObservation(0, sim);
const inputs = observationToInputs(obs);
const outputs = network.activate(inputs);
@@ -164,8 +160,23 @@ export default function NeatArena() {
action0 = spinnerBotAction();
}
// Agent 1: Spinner bot
const action1 = spinnerBotAction();
// Agent 1: Second-best AI (or spinner if not enough genomes)
let action1: AgentAction;
if (genome1) {
const network = createNetwork(genome1);
const obs = generateObservation(1, sim);
const inputs = observationToInputs(obs);
const outputs = network.activate(inputs);
action1 = {
moveX: outputs[0],
moveY: outputs[1],
turn: outputs[2],
shoot: outputs[3],
};
} else {
action1 = spinnerBotAction();
}
simulationRef.current = stepSimulation(sim, [action0, action1]);
@@ -178,7 +189,7 @@ export default function NeatArena() {
}, 1000 / 30);
return () => clearInterval(interval);
}, [isTraining, showRays, mapSeed, population.bestGenomeEver, importedGenome]);
}, [showRays, mapSeed, population.genomes, importedGenome]);
const handleReset = useCallback(() => {
setIsTraining(false);
@@ -269,10 +280,10 @@ export default function NeatArena() {
{isTraining
? '🟢 Training in background worker...'
: importedGenome
? '🎮 Watching imported champion vs Spinner bot'
: population.bestGenomeEver
? '🎮 Watching champion vs Spinner bot'
: '⚪ No champion yet'}
? '🎮 Watching imported champion vs Gen best'
: population.genomes.length > 1
? `🎮 Watching Gen ${stats.generation}: Best vs 2nd-Best AI`
: '⚪ Need at least 2 genomes for exhibition'}
</p>
</section>