<function name="HSVToColor" parent="Global" type="libraryfunc"> <description> Converts a color from [HSV color space](https://en.wikipedia.org/wiki/HSL_and_HSV) into RGB color space and returns a <page>Color</page>. <bug issue="2407">The returned color will not have the color metatable.</bug> </description> <realm>Shared and Menu</realm> <args> <arg name="hue" type="number">The hue in degrees from 0-360.</arg> <arg name="saturation" type="number">The saturation from 0-1.</arg> <arg name="value" type="number">The value from 0-1.</arg> </args> <rets> <ret name="" type="table">The <page>Color</page> created from the HSV color space.</ret> </rets> </function> <example> <description>A helper function for drawing rainbow text.</description> <code> local function DrawRainbowText( frequency, str, font, x, y ) surface.SetFont( font ) surface.SetTextPos( x, y )⤶ for i = 1, #str do surface.SetTextColor( HSVToColor( i * frequency % 360, 1, 1 ) )⤶ local w = surface.GetTextSize( string.sub( str, 1, i - 1 ) )⤶ surface.SetTextPos( x + w, y )⤶ local col = HSVToColor( i * frequency % 360, 1, 1 ) -- Providing 3 numbers to surface.SetTextColor rather⤶ surface.SetTextColor( col.r, col.g, col.b ) -- than a single color is faster⤶ surface.DrawText( string.sub( str, i, i ) ) end end -- Solid color rainbow, faster than example above local function DrawSimpleRainbowText( speed, str, font, x, y ) surface.SetFont( font ) ⤶ surface.SetTextColor( HSVToColor( ( CurTime() * speed ) % 360, 1, 1 ) ) surface.SetTextColor( HSVToColor( ( CurTime() * speed ) % 360, 1, 1 ) ) surface.SetTextPos( x, y ) surface.DrawText( str ) ⤶ surface.DrawText( str ) end hook.Add( "HUDPaint", "RainbowPuke", function() DrawRainbowText( 10, "Hello world! This is rainbow text.", "CloseCaption_Bold", 5, 5 ) DrawSimpleRainbowText( 100, "Hello world! This is rainbow text.", "CloseCaption_Bold", 5, 55 ) end ) </code> <output><image src="DrawRainbowText.png" alt="300px"/></output> </example> <example> <description>A helper function for printing rainbow text in the chat.</description> <code> local function PrintRainbowText( frequency, str ) local text = {} local len = #text⤶ for i = 1, #str do table.insert( text, HSVToColor( i * frequency % 360, 1, 1 ) ) table.insert( text, string.sub( str, i, i ) ) text[len + 1] = HSVToColor( i * frequency % 360, 1, 1 ) text[len + 2] = string.sub( str, i, i ) len = len + 2⤶ end -- Print to chat, also prints to console chat.AddText( unpack( text ) ) -- Uncomment this to print to console only, works serverside too -- MsgC( unpack( text ) ) end -- The higher the number, the quicker the color will change between each character PrintRainbowText( 10, "Hello world!" ) </code> <output><image src="ChatPrintRainbow.png" alt="300px"/> <image src="ConsolePrintRainbow.png" alt="300px"/></output> </example>