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Rjac
Rotating Joints According to CameraWhat is Rjac?
Rjac (pronounced as “r-jack”) is an object-oriented module used to rotate character body parts according to camera direction.
For example:
This mechanic is used in a lot of games.
This is very simple to use with simplicity, flexibilty, and customization.
How to use it?
As I said it’s pretty simple to use but not very small, basic example:
local Player = game.Players.LocalPlayer
local Rjac = require(game.ReplicatedStorage:WaitForChild("Rjac"))
local RjacInfo = {}
RjacInfo.Player = Player
RjacInfo.Character = Player.Character
local Rjac = Rjac:New(RjacInfo)
Rjac.Enabled = true
Rjac:Initiate()
local Configurations = {
{
BodyPart = "Head",
BodyJoint = "Neck",
MultiplierVector = Vector3.new(0.8, 0.8, 0),
},
{
BodyPart = "RightUpperArm",
BodyJoint = "RightShoulder",
MultiplierVector = Vector3.new(0.8, 0, 0),
},
{
BodyPart = "LeftUpperArm",
BodyJoint = "LeftShoulder",
MultiplierVector = Vector3.new(0.8, 0, 0),
},
{
BodyPart = "UpperTorso",
BodyJoint = "Waist",
MultiplierVector = Vector3.new(0.2, 0.2, 0),
},
}
for _,v in pairs(Configurations) do
Rjac:AddBodyJoint(v.BodyPart, v.BodyJoint, v.MultiplierVector)
end
game:GetService("RunService").Heartbeat:Connect(function()
Rjac:UpdateDirection(game.Workspace.CurrentCamera.CFrame)
Rjac:UpdateCharacter()
end)
{
BodyPart = "Head",
BodyJoint = "Neck",
MultiplierVector = Vector3.new(0.8, 0.8, 0),
},
Now let’s break this down a bit and see what it means
BodyPart i.e "Head" is the name of the BasePart in the Character, where I will find a Motor6D, named the value of BodyJoint i.e "Neck".
MultiplierVector is the Vector3, which determines by what value will the joint be rotated.
There is only one way of fully understanding how to use this, which is by experimenting a lot with the module itself.
Taking a look at the Documentation is heavily encouraged to use the module to its full potential.
License
Mozilla Public License 2.0
Permissions of this weak copyleft license are conditioned on making available source code of licensed files and modifications of those files under the same license (or in certain cases, one of the GNU licenses). Copyright and license notices must be preserved. Contributors provide an express grant of patent rights. However, a larger work using the licensed work may be distributed under different terms and without source code for files added in the larger work.
Read the full document here.
Installation
- Roblox model (recommended)
- GitHub Repository File