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);
}
private void CreateColourPickerBG()
{
float S, V;
int w = _pickerSize;
int h = _pickerSize;
float wu = UnitsPerPixel;
float hu = UnitsPerPixel;
Texture2D tex = new Texture2D(w, h);
// HSV colours, H in slider, S horizontal, V vertical.
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
S = x * wu;
V = y * hu;
tex.SetPixel(x, y, HSV.ToRGBA(H, S, V, A));
}
}
tex.Apply();
SwapTexture(ref _colourPickerBG, tex);
}
