package cs437.som.visualization;

import java.awt.Color;

/**
 * A color progression from green (#00FF00) to red (#FF0000).
 */
public class GreenToRedHeat implements ColorProgression {
    private static final float GREEN_HUE_SCALE = 1.2f;
    private static final float CIRCLE_DEG = 360.0f;

    @Override
    public Color getColor(int intensity) {
        if (intensity < 0)
            return Color.green;
        else if (intensity > 100)
            return Color.red;
        else {
            final float hue = ((100-intensity) * GREEN_HUE_SCALE) / CIRCLE_DEG;
            final int rgb = Color.HSBtoRGB(hue, 1.0f, 1.0f);
            return new Color(rgb);
        }
    }
}

Add a green to red color progression.
Add a green to red color progression.
