public void NotifyRGBUpdated()
{
// Set HSV from RGB
HSV.ToHSV(tempColour, out _H, out _S, out _V);
_A = tempColour.a;
// rebuild textures
CreateColourPickerBG();
CreateHuePickerBG();
CreateAlphaPickerBG();
// set slider positions
_huePosition = (1f - _H) / UnitsPerPixel;
_position.x = _S / UnitsPerPixel;
_position.y = (1f - _V) / UnitsPerPixel;
_alphaPosition = (1f - _A) / UnitsPerPixel;
// set the colour block and update hex fields
CreatePreviewBG(ref _tempPreviewBG, tempColour);
_hexOut = _hexIn = RGBtoHex(tempColour);
}
