-- Coded by NYONIC    -- a few bugs with setting values I will work out later... you can hide those Gui elements
local plr = game.Players.LocalPlayer
local plrgui = plr:WaitForChild('PlayerGui')
local colorchoice = plr.PlayerGui:WaitForChild("Nyonic'sColorPalette")
local mouse = plr:GetMouse()
local mousedown = false
local colorselector = colorchoice.ColorSelector
local newcolor = colorchoice.NewColor  -- sets the new color to the NewColor.Value
local setting = false  -- used as debounce on values being changed by another
local lasthex = 'FFFFFF'   -- used to set last hex back if not a valid hex format
local lastR = 255
local lastG = 255
local lastB = 255
local lastHue = 359
local lastSat = 255
local lastVal = 255

local ROUND_TO = .01 -- studs   -- used for Grid System      --------------- NEW SYSTEM
local function Round(Number)
    return math.floor((Number / ROUND_TO) + 0.5) * ROUND_TO
end


local BasePartToSet = colorchoice.BrickToColor.Value or workspace:FindFirstChild('Baseplate')  -- this is whatever you want color changed on ****************

-- Coded by NYONIC
local Color3 = setmetatable({
FromHex = function(int)
	if string.sub(int,1,1) == '#' then  -- removes the html # and replaces with 0x for full hex
		int = '0x' .. string.sub(int,2,string.len(int))
	elseif string.lower(string.sub(int,1,2)) ~= '0x' then  -- checks if it has the 0x if not adds it for full hex
		int = '0x' .. int
	end
    return Color3.fromRGB(math.floor(int/256^2)%256,math.floor(int/256)%256,math.floor(int)%256)
end,
ToHex = function(color)
	local R = string.format("%02X",color.r * 255)
	local G = string.format("%02X",color.g * 255)
	local B = string.format("%02X",color.b * 255)
    return (R .. G .. B ) -- math.floor(color.r*255)*256^2+math.floor(color.g*255)*256+math.floor(color.b*255)
end
}, {__index = Color3})

colorselector.MouseButton1Down:Connect(function()
mousedown = true
colorchoice.Cursor.Visible = true
	while mousedown do
		local x = mouse.X
		local y = mouse.Y
		
	local r = colorselector.AbsoluteSize.x/2   -- this gets max radias of color palette and only allows cursor to go to edge even if mouse leaves
	local d = Vector2.new(x, y) - colorselector.AbsolutePosition - colorselector.AbsoluteSize/2;
	if (d:Dot(d) > r*r) then
		d = d.unit * r;
	end
	colorchoice.Cursor.Position = UDim2.new(0.5, d.x, 0.5, d.y);
	x = colorchoice.Cursor.AbsolutePosition.X + colorchoice.Cursor.AbsoluteSize.x/2
	y = colorchoice.Cursor.AbsolutePosition.Y + colorchoice.Cursor.AbsoluteSize.y/2
	
		-- gets rotation from location of mouse to center gotten from postion then add half the size
		local ycenter = (colorselector.AbsolutePosition.Y + colorselector.AbsoluteSize.Y/2)
		local xcenter = (colorselector.AbsolutePosition.X + colorselector.AbsoluteSize.X/2)
		local Sat = (Vector2.new(xcenter, ycenter) - Vector2.new(x,y)).Magnitude / (colorselector.AbsoluteSize.X/2)   -- gets magnitude from center of image to max size
		local Hue = math.ceil(math.deg(math.atan2(ycenter - y ,( xcenter -  x))))  -- get the roation in degrees from mouse to center of gui image
		Hue = Hue - 30  -- backs up from the 359 to make it start at red
			if Hue < 0 then   -- if less than 0 a negative between -1 and -179 change it to part of 360
				Hue = 359 + Hue
			end 
		
		if Sat <= 1 then    -- only set while over the wheel
		colorchoice.Cursor.Position = UDim2.new(0,x,0,y)
		colorselector.Hue.Text = Hue   -- set the hue then the Sat below
		colorselector.Sat.Text = math.floor(Sat*255)
		end
		wait()
	end
end)
mouse.Button1Up:Connect(function()
mousedown = false
end)

colorselector.MouseButton1Up:Connect(function( x, y)
mousedown = false
end)

function MoveBrightness(yset)
	while mousedown do
		local x = mouse.X
		local y = mouse.Y
			if y >= colorselector.BrightnessSelector.AbsolutePosition.Y - 1  and  y <= ( colorselector.BrightnessSelector.AbsolutePosition.Y + colorselector.BrightnessSelector.AbsoluteSize.Y) then
				colorselector.BrightnessSelector.SelectorBar.Position = UDim2.new(0,colorselector.BrightnessSelector.SelectorBar.Position.X, 0,(y- colorselector.BrightnessSelector.AbsolutePosition.Y))
				colorselector.Val.Text = math.floor(255*(1-((y - colorselector.BrightnessSelector.AbsolutePosition.Y)/colorselector.BrightnessSelector.AbsoluteSize.Y)))
			end
		wait()
	end
	if yset then
		colorselector.BrightnessSelector.SelectorBar.Position = UDim2.new(0,colorselector.BrightnessSelector.SelectorBar.Position.X, 0,colorselector.BrightnessSelector.AbsoluteSize.Y-(yset * colorselector.BrightnessSelector.AbsoluteSize.Y))
	end
end

colorselector.BrightnessSelector.SelectorBar.MouseButton1Down:Connect(function( )
	mousedown = true
	MoveBrightness()
end)

colorselector.BrightnessSelector.SelectorBar.MouseButton1Up:Connect(function( )
	mousedown = false
end)

colorselector.BrightnessSelector.MouseButton1Down:Connect(function( )
	mousedown = true
	MoveBrightness()
end)

colorselector.BrightnessSelector.MouseButton1Up:Connect(function( x, y)
	mousedown = false
end)

colorselector.Color.MouseButton1Up:Connect(function( x, y)
	mousedown = false
end)
-- Coded by NYONIC

function SetColor(mode, val)   --- HSV, RGB, HEX
		if setting then return end  
		pcall(function()   -- us pcall for error if wrong HEX
			if mode == 'HSV' then
				newcolor.Value = Color3.fromHSV(colorselector.Hue.Text/359,colorselector.Sat.Text/255,colorselector.Val.Text/255)
			elseif mode == 'RGB' then
				newcolor.Value = Color3.fromRGB(colorselector.R.Text,colorselector.G.Text,colorselector.B.Text)
			elseif mode == 'HEX' then
				newcolor.Value = Color3.FromHex(colorselector.Hex.Text)
			end
			local H, S, V = Color3.toHSV(newcolor.Value)
			colorselector.BrightnessSelector.BackgroundColor3 = Color3.fromHSV(H,S,1)  -- sets the color as bright as it can be for selector
		end)
end

colorchoice.NewColor.Changed:Connect(function()
		setting = true
		if not colorselector.R:IsFocused() then
			colorselector.R.Text = math.floor(newcolor.Value.r * 255)	
		end
		if not colorselector.G:IsFocused() then
			colorselector.G.Text = math.floor(newcolor.Value.g * 255)
		end
		if not colorselector.B:IsFocused() then
			colorselector.B.Text = math.floor(newcolor.Value.b * 255)
		end
		if not colorselector.Hex:IsFocused() then
			colorselector.Hex.Text = Color3.ToHex(newcolor.Value)
		end
		
		local H, S, V = Color3.toHSV(newcolor.Value)
		if not colorselector.Hue:IsFocused() and not colorselector.Sat:IsFocused() then
			colorselector.Hue.Text = Round(H)*359
			colorselector.Sat.Text = Round(S)*255
		end
		if not colorselector.Val:IsFocused() then
			colorselector.Val.Text = Round(V)*255
		end
		colorselector.Color.ImageColor3 = newcolor.Value
		if BasePartToSet then  -- if there is a BRICK that needs color set
			BasePartToSet.Color = newcolor.Value
		end
		wait()
		setting = false
end)

colorselector.Hue.Changed:Connect(function()
	if colorselector.Hue.Text == '' then colorselector.Hue.Text = 0 return end
	if not tonumber(colorselector.Hue.Text) then colorselector.Hue.Text = lastHue return end
	colorselector.Hue.Text = math.clamp(colorselector.Hue.Text,0,359)
	SetColor('HSV')
end)
colorselector.Sat.Changed:Connect(function()
	if colorselector.Sat.Text == '' then colorselector.Sat.Text = 0 return end
	if not tonumber(colorselector.Sat.Text) then colorselector.Sat.Text = lastSat return end
	colorselector.Sat.Text = math.clamp(colorselector.Sat.Text,0,255)
	SetColor('HSV')
end)
colorselector.Val.Changed:Connect(function()
	if colorselector.Val.Text == '' then colorselector.Val.Text = 0 return end
	if not tonumber(colorselector.Val.Text) then colorselector.Val.Text = lastVal return end
	colorselector.Val.Text = math.clamp(colorselector.Val.Text,0,255)
	SetColor('HSV')
	if tonumber(colorselector.Val.Text) and colorselector.Val.Text ~= '' and not mousedown then
		MoveBrightness(colorselector.Val.Text/255)
	end
end)
colorselector.R.Changed:Connect(function()	
	if colorselector.R.Text == '' then colorselector.R.Text = 0 return end
	if not tonumber(colorselector.R.Text) then colorselector.R.Text = lastR return end
	colorselector.R.Text = math.clamp(colorselector.R.Text,0,255)
	SetColor('RGB')
end)
colorselector.G.Changed:Connect(function()
	if colorselector.G.Text == '' then colorselector.G.Text = 0 return end
	if not tonumber(colorselector.G.Text) then colorselector.G.Text = lastG return end
	colorselector.G.Text = math.clamp(colorselector.G.Text,0,255)
	SetColor('RGB')
end)
colorselector.B.Changed:Connect(function()
	if colorselector.B.Text == '' then colorselector.B.Text = 0 return end
	if not tonumber(colorselector.B.Text) then colorselector.B.Text = lastB return end
	colorselector.B.Text = math.clamp(colorselector.B.Text,0,255)
	SetColor('RGB')
end)
colorselector.Hex.Changed:Connect(function()
	colorselector.Hex.Text = string.upper(colorselector.Hex.Text)
	if colorselector.Hex.Text == '' then return end
	if #colorselector.Hex.Text > 7 then 
		colorselector.Hex.Text = lasthex  -- sets back because not valid
		return
	elseif #colorselector.Hex.Text == 7 and string.sub(colorselector.Hex.Text ,1,1) ~= '#' then
		colorselector.Hex.Text = lasthex  -- sets back because not valid
		return
	end
	
	local int = colorselector.Hex.Text
	if string.sub(int,1,1) == '#' then  -- removes the html # and replaces with 0x for full hex
		int = '0x' .. string.sub(int,2,string.len(int))
	elseif string.lower(string.sub(int,1,2)) ~= '0x' then  -- checks if it has the 0x if not adds it for full hex
		int = '0x' .. int
	end
	lasthex = colorselector.Hex.Text -- sets the newest hex incase need to set back later
	SetColor('HEX')
end)

-- Coded by NYONIC