public ClimateParameters(
HemisphereMode hemisphere,
HexDirections windDirection,
float evaporationFactor,
float highTemperature,
float lowTemperature,
float precipitationFactor,
float runoffFactor,
float seepageFactor,
float temperatureJitter,
float windStrength,
float hexOuterRadius,
int elevationMax,
int waterLevel
)
{
this.hemisphere = hemisphere;
this.windDirection = windDirection;
this.evaporationFactor = evaporationFactor;
this.highTemperature = highTemperature;
this.lowTemperature = lowTemperature;
this.precipitationFactor = precipitationFactor;
this.runoffFactor = runoffFactor;
this.seepageFactor = seepageFactor;
this.temperatureJitter = temperatureJitter;
this.windStrength = windStrength;
this.hexOuterRadius = hexOuterRadius;
this.elevationMax = elevationMax;
this.waterLevel = waterLevel;
}
private float GenerateTemperature(
Hex hex,
HemisphereMode hemisphere,
int waterLevel,
int elevationMax,
int temperatureJitterChannel,
float temperatureJitter,
float lowTemperature,
float highTemperature,
float hexOuterRadius
)
{
if (_hexMap.HexOffsetRows == 0)
{
throw new System.ArgumentException(
"Cannot generate temperature for a map with 0 height."
);
}
float latitude =
(float)hex.CubeCoordinates.Z / (_hexMap.HexOffsetRows - 1f);
if (hemisphere == HemisphereMode.Both)
{
latitude *= 2f;
if (latitude > 1f)
{
latitude = 2f - latitude;
}
}
else if (hemisphere == HemisphereMode.North)
{
latitude = 1f - latitude;
}
float temperature =
Mathf.LerpUnclamped(
lowTemperature,
highTemperature,
latitude
);
temperature *=
1f -
(hex.ViewElevation - waterLevel) /
(elevationMax - waterLevel + 1f);
float jitter =
HexagonPoint.SampleNoise(
hex.Position * 0.1f,
hexOuterRadius,
_hexMap.WrapSize
)[temperatureJitterChannel];
temperature += (jitter * 2f - 1f) * temperatureJitter;
temperature = Mathf.Clamp(
temperature,
lowTemperature,
highTemperature
);
return(temperature);
}
