local function DrawRainbowText( frequency, str, font, x, y ) surface.SetFont( font ) surface.SetTextPos( x, y ) for i = 1, #str do 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.SetTextPos( x, y ) 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 )

local function PrintRainbowText( frequency, str ) local text = {} local len = #text for i = 1, #str do 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!" )