public Color GetFoliageColor(float temp, float rain, int elevation)
{
if (FoliageColors == null)
{
return(new Color(94, 157, 52));
}
temp = MathHelper.Clamp(temp - elevation * 0.00166667f, 0f, 1f);
rain = MathHelper.Clamp(rain, 0f, 1f) * temp;
int x = (int)Math.Floor(MathHelper.Clamp(_foliageWidth - (_foliageWidth * temp), 0, _foliageWidth));
int y = (int)Math.Floor(MathHelper.Clamp(_foliageHeight - (_foliageHeight * rain), 0, _foliageHeight));
var indx = _foliageWidth * y + x;
if (indx < 0)
{
indx = 0;
}
if (indx > FoliageColors.Length - 1)
{
indx = FoliageColors.Length - 1;
}
var result = FoliageColors[indx];
return(new Color(result.R, result.G, result.B));
}
/// <summary>
/// Returns a color from this gradient at the specified lerp value.
/// </summary>
/// <param name="amount">The lerp amount.</param>
/// <returns>A color.</returns>
public Color Lerp(float amount)
{
if (Stops.Length == 0)
{
throw new global::System.IndexOutOfRangeException("The ColorGradient object does not have any gradient stops defined.");
}
else if (Stops.Length == 1)
{
return(Stops[0].Color);
}
int counter;
for (counter = 0; counter < Stops.Length && Stops[counter].Stop < amount; counter++)
{
;
}
counter--;
counter = (int)MyMathHelper.Clamp(counter, 0, Stops.Length - 2);
float newLerp = (Stops[counter].Stop - (float)amount) / (Stops[counter].Stop - Stops[counter + 1].Stop);
return(ColorHelper.Lerp(Stops[counter].Color, Stops[counter + 1].Color, newLerp));
}
/// <summary>
/// Gets an array of colors based from the gradient.
/// </summary>
/// <param name="count">The amount of colors to produce.</param>
/// <returns>An array of colors.</returns>
public Color[] ToColorArray(int count)
{
Color[] returnArray = new Color[count];
if (Stops.Length == 0)
{
throw new global::System.IndexOutOfRangeException("The ColorGradient object does not have any gradient stops defined.");
}
else if (Stops.Length == 1)
{
for (int i = 0; i < count; i++)
{
returnArray[i] = Stops[0].Color;
}
return(returnArray);
}
float lerp = 1f / (count - 1);
float lerpTotal = 0f;
returnArray[0] = Stops[0].Color;
returnArray[count - 1] = Stops[Stops.Length - 1].Color;
for (int i = 1; i < count - 1; i++)
{
lerpTotal += lerp;
int counter;
for (counter = 0; counter < Stops.Length && Stops[counter].Stop < lerpTotal; counter++)
{
;
}
counter--;
counter = (int)MyMathHelper.Clamp(counter, 0, Stops.Length - 2);
float newLerp = (Stops[counter].Stop - (float)lerpTotal) / (Stops[counter].Stop - Stops[counter + 1].Stop);
returnArray[i] = ColorHelper.Lerp(Stops[counter].Color, Stops[counter + 1].Color, newLerp);
}
return(returnArray);
}
/// <summary>
/// Creates a <see cref="SadConsole.ColoredString"/> object using the current gradient.
/// </summary>
/// <param name="text">The text to use for the colored string.</param>
/// <returns>A new colored string object.</returns>
public SadConsole.ColoredString ToColoredString(string text)
{
SadConsole.ColoredString stringObject = new SadConsole.ColoredString(text);
if (Stops.Length == 0)
{
throw new global::System.IndexOutOfRangeException("The ColorGradient object does not have any gradient stops defined.");
}
else if (Stops.Length == 1)
{
stringObject.SetForeground(Stops[0].Color);
return(stringObject);
}
float lerp = 1f / (text.Length - 1);
float lerpTotal = 0f;
stringObject[0].Foreground = Stops[0].Color;
stringObject[text.Length - 1].Foreground = Stops[Stops.Length - 1].Color;
for (int i = 1; i < text.Length - 1; i++)
{
lerpTotal += lerp;
int counter;
for (counter = 0; counter < Stops.Length && Stops[counter].Stop < lerpTotal; counter++)
{
;
}
counter--;
counter = (int)MyMathHelper.Clamp(counter, 0, Stops.Length - 2);
float newLerp = (Stops[counter].Stop - (float)lerpTotal) / (Stops[counter].Stop - Stops[counter + 1].Stop);
stringObject[i].Foreground = ColorHelper.Lerp(Stops[counter].Color, Stops[counter + 1].Color, newLerp);
}
return(stringObject);
}
public static float Clamp(float val, float min, float max)
{
return(Helper.Clamp(val, min, max));
}