Getting Speed, Yaw, Pitch from GlobalWind X, Y, Z Attributes

[Mmm_Wafflez (Sammy)]

Hey, I’m just writing a simple script to display the speed, pitch, and yaw of the GlobalWind workspace attribute similar to how the Wind Direction widget does. Problem is these attributes aren’t directly stored under GlobalWind and are instead translated into X, Y, and Z variables that are seemingly all relational to the wind’s speed, pitch and yaw, yet theres no direct way to access what I want.

Changing the Speed and Pitch variable using the Wind Direction widget appears to affect all three variables, while changing the Yaw only affects the X and Z variables. I’m not sure if theres a way to access the internal functions of this widget or if I’ll just have to reverse engineer it.

As an example heres a Wind Direction widget with 1000.0 sps, 359 degree yaw, and 0 degree pitch and the related GlobalWind values:

If you have any knowledge on how these values are calculated please let me know! Please don’t feel like you need to reverse engineer this on your own though.

[Mmm_Wafflez (Sammy)]

Basically this is an internal function from the plugin, but I was able to receive it and implementation with help from PotionSeller33.

Below are the functions needed for this:

@PotionSeller33

getWindSpeed = function(windVector)
	return windVector.Magnitude

setWindSpeed = function(value, windDirection)
	value = math.max(0, value)
	workspace.GlobalWind = windDirection.Unit * value
end

getWindYaw = function(windVector)
	if windVector:Dot(windVector) > 0.0 then
		local windYawVector = windVector * Vector3.new(1, 0, 1)
		local angle = math.round(180 + 180 * windYawVector:Angle(Vector3.xAxis, Vector3.yAxis) / math.pi) % 360
		if angle == nil then
			return 0
		end
		return angle
	else
		return 0
	end
end

setWindYaw = function(value)
	local windspeed = 1
	local pitch = 0
	local yaw = (0.5 - value / 180) * math.pi

	if workspace.GlobalWind:Dot(workspace.GlobalWind) > 0.0 then
		windspeed = workspace.GlobalWind.Magnitude
		pitch = math.asin(math.clamp(workspace.GlobalWind.Unit.y, -1.0, 1.0))
	end

	local rotation = CFrame.fromEulerAnglesYXZ(0, yaw, 0) * CFrame.fromEulerAnglesYXZ(pitch, 0, 0)
	workspace.GlobalWind = rotation.LookVector * windspeed
end

getWindPitch = function(windVector)
	if windVector:Dot(windVector) > 0.0 then
		local angle = math.round(-90 + 180 * windVector:Angle(Vector3.yAxis, Vector3.yAxis) / math.pi)
		if angle == nil then
			return 0
		end
		return angle
	else
		return 0
	end
end

setWindPitch = function(value)
	local windspeed = 1
	local pitch = (180 + value) / 180 * math.pi
	local yaw = -math.pi / 2

	if workspace.GlobalWind:Dot(workspace.GlobalWind) > 0.0 then
		windspeed = workspace.GlobalWind.Magnitude
		local v = workspace.GlobalWind.Unit
		local offset = if v.z < 0 then math.pi else 0
		if v.z ~= 0 then
			yaw = offset + math.atan(v.x / v.z)
		else
			if v.x > 0 then
				yaw = offset + 0.5 * math.pi
			else
				yaw = offset - 0.5 * math.pi
			end
		end
	end

	local rotation = CFrame.fromEulerAnglesYXZ(0, yaw, 0) * CFrame.fromEulerAnglesYXZ(pitch, 0, 0)
	workspace.GlobalWind = rotation.LookVector * windspeed
end

Obviously, big thanks to PotionSeller33 and everyone else who worked on GlobalWinds and the Wind Direction Plugin. Hopefully this will appear whenever someone looking for this searches it up.