Tumble files around a bit

WeakAuras/Snippets/Color Gradient.lua

@@ -0,0 +1,59 @@
+aura_env.grad = function(c)
+	--c expected as [0, 1]
+	if c > 0.5 then
+		c = 1 - (2 * (c - 0.5))
+		return c, 1, 0, 1
+	else
+		c = c * 2
+		return 1, c, 0, 1
+	end
+end
+
+local function hexgrad(val, min, max)
+	local function tohex(input)
+		local output = string.format("%x", input * 255)
+		return output
+	end
+	local function grad(c, min, max)
+		c = (((max - c) / (max - min)) * 1)
+		if c > 0.5 then
+			c = 1 - (2 * (c - 0.5))
+			return c, 1, 0, 1
+		else
+			c = c * 2
+			return 1, c, 0, 1
+		end
+	end
+	local color1, color2, color3, color4 = 0, 0, 0, 0
+	color1, color2, color3, color4 = grad(val, min, max)
+	color1, color2, color3, color4 = tohex(color1), tohex(color2), tohex(color3), tohex(color4)
+	color1, color2, color3, color4 = tostring(color1), tostring(color2), tostring(color3), tostring(color4)
+	if string.len(color1) == 1 then color1 = "0" .. color1 end
+	if string.len(color2) == 1 then color2 = "0" .. color2 end
+	if string.len(color3) == 1 then color3 = "0" .. color3 end
+	if string.len(color4) == 1 then color4 = "0" .. color4 end
+	local color = "\124c" .. color4 .. color1 .. color2 .. color3
+	return color
+end
+
+local function RGBtoHex(rgb)
+	local hexadecimal = "FF"
+	for key, value in pairs(rgb) do
+		local hex = ""
+
+		while value > 0 do
+			local index = math.fmod(value, 16) + 1
+			value = math.floor(value / 16)
+			hex = string.sub("0123456789ABCDEF", index, index) .. hex
+		end
+
+		if string.len(hex) == 0 then
+			hex = "00"
+		elseif string.len(hex) == 1 then
+			hex = "0" .. hex
+		end
+
+		hexadecimal = hexadecimal .. hex
+	end
+	return hexadecimal
+end