/// <summary>
/// Returns this colour, but with a specific brightness.
/// </summary>
/// <param name="value">The value of the colour (normalized)</param>
/// <returns>The new colour</returns>
public static Color WithValue(this Color c, float value)
{
HSVColour hsv = new HSVColour(c);
hsv.V = value;
return(hsv.ToRGB());
}
/// <summary>
/// Returns this colour, but with a different hue.
/// </summary>
/// <param name="hue">The value of the tone (normalized)</param>
/// <returns>The new colour</returns>
public static Color WithHue(this Color c, float hue)
{
HSVColour hsv = new HSVColour(c);
hsv.H = hue;
return(hsv.ToRGB());
}
/// <summary>
/// Returns this colour, but with a specific saturation level.
/// </summary>
/// <param name="saturation">The saturation of the colour (normalized)</param>
/// <returns>The new colour</returns>
public static Color WithSaturation(this Color c, float saturation)
{
HSVColour hsv = new HSVColour(c);
hsv.S = saturation;
return(hsv.ToRGB());
}
/// <summary>
/// Returns this colour, but with the brightness shifted by a certain amount.
/// </summary>
/// <param name="valueShiftAmount">The amount to value shift (normalized)</param>
/// <returns>The new value shifted colour</returns>
public static Color WithValueShift(this Color c, float valueShiftAmount)
{
HSVColour hsv = new HSVColour(c);
hsv.V += valueShiftAmount;
return(hsv.ToRGB());
}
/// <summary>
/// Returns this colour, but the saturation shifted by a certain amount.
/// </summary>
/// <param name="saturationShiftAmount">The amount to saturation shift (normalized)</param>
/// <returns>The new saturation shifted colour</returns>
public static Color WithSaturationShift(this Color c, float saturationShiftAmount)
{
HSVColour hsv = new HSVColour(c);
hsv.S += saturationShiftAmount;
return(hsv.ToRGB());
}
/// <summary>
/// Returns this colour, but hue shifted by a certain amount.
/// </summary>
/// <param name="hueShiftAmount">The amount to hue shift (normalized)</param>
/// <returns>The new hue shifted colour</returns>
public static Color WithHueShift(this Color c, float hueShiftAmount)
{
HSVColour hsv = new HSVColour(c);
hsv.H += hueShiftAmount;
return(hsv.ToRGB());
}
/// <summary>
/// Returns this colour, but shifted on any of the hue, saturation or value axes.
/// </summary>
/// <param name="hueShiftAmount">The amount to hue shift (normalized)</param>
/// <param name="saturationShiftAmount">The amount to saturation shift (normalized)</param>
/// <param name="valueShiftAmount">The amount to value shift (normalized)</param>
/// <returns>The new shifted colour</returns>
public static Color WithHSVShift(this Color c, float hueShiftAmount, float saturationShiftAmount, float valueShiftAmount)
{
HSVColour hsv = new HSVColour(c);
hsv.H += hueShiftAmount;
hsv.S += saturationShiftAmount;
hsv.V += valueShiftAmount;
return(hsv.ToRGB());
}
public override void OnGUI(Rect totalRect, SerializedProperty property, GUIContent label)
{
EditorGUI.BeginProperty(totalRect, label, property);
SerializedProperty hueProperty = property.FindPropertyRelative("_h");
SerializedProperty saturationProperty = property.FindPropertyRelative("_s");
SerializedProperty valueProperty = property.FindPropertyRelative("_v");
SerializedProperty alphaProperty = property.FindPropertyRelative("_a");
EditorGUI.BeginChangeCheck();
HSVColour hsvColour = EditorGUI.ColorField(totalRect, label, new HSVColour(hueProperty.floatValue, saturationProperty.floatValue, valueProperty.floatValue, alphaProperty.floatValue).ToRGB()).ToHSV();
if (EditorGUI.EndChangeCheck())
{
hueProperty.floatValue = hsvColour.H;
saturationProperty.floatValue = hsvColour.S;
valueProperty.floatValue = hsvColour.V;
alphaProperty.floatValue = hsvColour.A;
}
EditorGUI.EndProperty();
}