public Color32 GetCritterHappinessColor(Critter critter, Hex hab)
{
float happiness = critter.SurvivalScore(hab);
Color32 baseColor;
int val = (int)(5 * happiness);
if (val > 40) { val = 40; }
if (val < -200) { val = -200; }
byte red = (byte)(200 - val);
byte green = (byte)(200 + val);
baseColor = new Color32(red, green, 60, 255);
return baseColor;
}