com.t0ast.parkour.training.ParkourFitnessRater.java Source code

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Here is the source code for com.t0ast.parkour.training.ParkourFitnessRater.java

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package com.t0ast.parkour.training;

import com.badlogic.gdx.math.Vector2;
import com.t0ast.evolution.training.FitnessRater;

/**
 *
 * @author T0astBread
 */
public class ParkourFitnessRater implements FitnessRater<ParkourResults> {
    @Override
    public float rate(ParkourResults results) {
        float fitness = 1
                / getDistanceToNearestCheckpoint(results.getCheckPoints(), results.getEntity().getPosition());
        fitness += 2 / results.getEntity().getPosition().dst(results.getGoal());
        return fitness;
    }

    private float getDistanceToNearestCheckpoint(Vector2[] checkpoints, Vector2 position) {
        float smallestDist = Float.MAX_VALUE;
        for (Vector2 checkpoint : checkpoints) {
            float dist = position.dst2(checkpoint);
            if (dist < smallestDist)
                smallestDist = dist;
        }
        return (float) Math.sqrt(smallestDist);
    }
}