public static HSBColor Lerp(HSBColor a, HSBColor b, float t)
{
float angle = Mathf.LerpAngle(a.h * 360f, b.h * 360f, t);
while (angle < 0f)
{
angle += 360f;
}
while (angle > 360f)
{
angle -= 360f;
}
return(new HSBColor(angle / 360f, Mathf.Lerp(a.s, b.s, t), Mathf.Lerp(a.b, b.b, t), Mathf.Lerp(a.a, b.a, t)));
}
public void Apply(ref Color c, ref float t, VPaintActionType type)
{
HSBColor hsb = new HSBColor(c);
switch (type)
{
case VPaintActionType.Brightness:
if (brightnessAdjustment < 1f)
{
hsb.b = Mathf.Lerp(0, hsb.b, brightnessAdjustment);
}
else if (1f < brightnessAdjustment)
{
hsb.b = Mathf.Lerp(hsb.b, 1f, brightnessAdjustment - 1f);
}
c = hsb.ToColor();
break;
case VPaintActionType.Saturation:
hsb.s *= saturationAdjustment;
c = hsb.ToColor();
break;
case VPaintActionType.HueShift:
hsb.h += hueAdjustment / 360f;
if (1f < hsb.h)
{
hsb.h--;
}
c = hsb.ToColor();
break;
case VPaintActionType.Contrast:
if (1 < contrastAdjustment)
{
c.a = Mathf.Pow(c.a + contrastThreshhold, contrastAdjustment) - contrastThreshhold;
c.r = Mathf.Pow(c.r + contrastThreshhold, contrastAdjustment) - contrastThreshhold;
c.g = Mathf.Pow(c.g + contrastThreshhold, contrastAdjustment) - contrastThreshhold;
c.b = Mathf.Pow(c.b + contrastThreshhold, contrastAdjustment) - contrastThreshhold;
}
else
{
c = Color.Lerp(Color.grey, c, contrastAdjustment);
}
break;
case VPaintActionType.TintColor:
float tintOpa = tintColorOpacity;
if (tintUseValue)
{
if (tintInvertUseValue)
{
tintOpa *= hsb.b;
}
else
{
tintOpa *= 1 - hsb.b;
}
}
c = Color.Lerp(c, tintColor, tintOpa);
break;
case VPaintActionType.OpacityAdjustment:
t = Mathf.Clamp01(t * opacityAdjustment);
break;
}
}