public static HSVColor rgbToHsv(Color32 color)
{
HSVColor result=new HSVColor();
float min,max,delta;
float r = (float)color.r/255.0f;
float g = (float)color.g/255.0f;
float b = (float)color.b/255.0f;
min = Mathf.Min(r,g,b);
max = Mathf.Max(r,g,b);
result.v = max;
delta = max - min;
if( max != 0 )
result.s = delta / max; // s
else {
// r = g = b = 0 // s = 0, v is undefined
result.s = 0;
result.h = -1;
return result;
}
if( r == max )
result.h = ( g - b ) / delta; // between yellow & magenta
else if( g == max )
result.h = 2 + ( b - r ) / delta; // between cyan & yellow
else
result.h = 4 + ( r - g ) / delta; // between magenta & cyan
result.h *= 60; // degrees
if( result.h < 0 )
result.h += 360;
result.h /=360;
return result;
}
public HSVColor getHSV()
{
float x = lastPosition.x - paletteRect.x;
float y = lastPosition.y - paletteRect.y;
HSVColor c = new HSVColor();
c.h = (float)currentHue / hueSliderRect.height;
c.s = x / paletteRect.width;
c.v = 1 - y / paletteRect.height;
return c;
}
public HSVColor getHSV()
{
float x = lastPosition.x - paletteRect.x;
float y = lastPosition.y - paletteRect.y;
HSVColor c = new HSVColor();
c.h = (float)currentHue / hueSliderRect.height;
c.s = x / paletteRect.width;
c.v = 1 - y / paletteRect.height;
return(c);
}
public static HSVColor rgbToHsv(Color32 color)
{
HSVColor result = new HSVColor();
float min, max, delta;
float r = (float)color.r / 255.0f;
float g = (float)color.g / 255.0f;
float b = (float)color.b / 255.0f;
min = Mathf.Min(r, g, b);
max = Mathf.Max(r, g, b);
result.v = max;
delta = max - min;
if (max != 0)
{
result.s = delta / max; // s
}
else
{
// r = g = b = 0 // s = 0, v is undefined
result.s = 0;
result.h = -1;
return(result);
}
if (r == max)
{
result.h = (g - b) / delta; // between yellow & magenta
}
else if (g == max)
{
result.h = 2 + (b - r) / delta; // between cyan & yellow
}
else
{
result.h = 4 + (r - g) / delta; // between magenta & cyan
}
result.h *= 60; // degrees
if (result.h < 0)
{
result.h += 360;
}
result.h /= 360;
return(result);
}
public void setRGBColor(Color32 color)
{
float h, s, v;
currentRGBColor = color;
if (baseHue)
{
ColorUtil.RGBToHSV((Color)color, out h, out s, out v);
}
else
{
ColorUtil.RGBToHSV((Color)color, out s, out v, out h);
}
currentHSVColor = new HSVColor(h, s, v);
currentHue = (int)(hueSliderRect.height * h);
updatePaletteTexture();
calculateActiveColorPosition(new Vector2(paletteRect.x + paletteRect.width * s,
paletteRect.y + paletteRect.height * (1 - v)));
}
// h - 0->1
// s 0->1
// v 0-> 1
public static Color32 hsvToRgb(HSVColor hsvColor)
{
return hsvToRgb(hsvColor.h,hsvColor.s,hsvColor.v);
}
void recalculateHsvAndRGB()
{
currentHSVColor = getHSV();
currentRGBColor = getRGB(currentHSVColor);
}
public Color32 getRGB(HSVColor c = null)
{
return(ColorUtil.hsvToRgb(c == null ? currentHSVColor : c));
}
// h - 0->1
// s 0->1
// v 0-> 1
public static Color32 hsvToRgb(HSVColor hsvColor)
{
return(hsvToRgb(hsvColor.h, hsvColor.s, hsvColor.v));
}
public Color32 getRGB(HSVColor c = null)
{
return ColorUtil.hsvToRgb(c==null ? currentHSVColor : c);
}
void recalculateHsvAndRGB()
{
currentHSVColor = getHSV();
currentRGBColor = getRGB(currentHSVColor);
}
public void setRGBColor(Color32 color)
{
float h,s,v;
currentRGBColor = color;
if (baseHue)
ColorUtil.RGBToHSV((Color)color,out h,out s,out v);
else
ColorUtil.RGBToHSV((Color)color,out s,out v,out h);
currentHSVColor = new HSVColor(h,s,v);
currentHue = (int)(hueSliderRect.height * h);
updatePaletteTexture();
calculateActiveColorPosition(new Vector2(paletteRect.x + paletteRect.width * s,
paletteRect.y + paletteRect.height * (1 - v)));
}