How can I make a rotating block that the player sticks to?
I'm trying to make a block rotate and have any player standing on it move with the rotation of the block but no matter how I go about coding it, the block just rotates without also moving the players standing on it.
Here is the code using CFrame:
1 | while true do |
2 | script.Parent.CFrame = script.Parent.CFrame * CFrame.fromEulerAnglesXYZ(.002,.005,.009) |
3 | wait(.001) |
4 | end |
Here is the code using Vector3:
01 | platform = script.Parent |
02 | a = 0 |
03 | b = 0 |
04 | c = 0 |
05 |
06 | while true do |
07 | platform.Rotation = Vector3.new(a, b, c) |
08 | wait(0.01) |
09 | a = a + 0.1 |
10 | b = b + 0.2 |
11 | c = c + 0.15 |
12 | end |
Any suggestions on how I can make the player rotate with the platform?
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2 answers
To make a player stick onto a moving part, whether that be a spinning or just translating, you should use a BodyMover.
BodyMovers
BodyMovers are a class of instances in roblox that exert forces on baseparts. There are Seven types of BodyMovers currently in roblox BodyForce,BodyPosition, and BodyVelocity for translation, BodyThrust,BodyGyro, and BodyAngularVelocity for rotation, and the odd one out, RocketPropulsion
To achieve what you are trying to do, you can use the BodyGyro to maintain a constant rotation.
One thing to keep in mind is that CFrame.fromEulerAngles and CFrame.Angles uses radians instead of degrees. Generally, a degree is pi/180 radians, as a pi radians is 180 degrees
Application
01 | local Gyro = script.Parent.BodyGyro |
02 | local ang = 0 |
03 | Torque = Vector3.new(math.huge,math.huge,math.huge) |
04 |
05 | Gyro.MaxTorque = d |
06 |
07 | while true do |
08 | Gyro.CFrame = Gyro.CFrame * CFrame.Angles(0,math.rad(ang/10),0) |
09 | print(Gyro.CFrame) |
10 | ang = ang + 1 |
11 | wait(0.1) |
12 | end |
Making a floating part
Now that you have a rotating part, you might want to make it float.
To do this, you can use a BodyPosition.
Ex:
1 | local BodyPos = script.Parent.BodyPosition |
2 |
3 | BodyPos.MaxForce = Vector3.new(math.huge,math.huge,math.huge) |
4 | BodyPos.Position = Vectore.new(x,y,z) --placeholder coordinates |
Reference links
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Possibility 1: Using lookVectors
My first suggestion is to use lookVectors to push the player along the face they are standing on.
01 | local player = game.Players.LocalPlayer |
02 | local part = workspace.Part |
03 |
04 | part.Touched:Connect(function() |
05 | player.Character:SetPrimaryPartCFrame(player.Character.HumanoidRootPart.CFrame + (part.CFrame.LookVector * Vector3.new(0.05, 0, 0))) |
06 | end) |
07 |
08 | while true do |
09 | part.CFrame = part.CFrame * CFrame.fromEulerAnglesXYZ(.002,.005,.009) |
10 | wait(.001) |
11 | end |
Possibility 2: Using Welds
My second thought is to try Welds, which will guarantee the player is moving with the part's rotation, but must be broken / removed by another function (as the player wlll be unable to move)
01 | local player = game.Players.LocalPlayer |
02 | local part = workspace.Part |
03 |
04 | part.Touched:Connect(function() |
05 | local weld = Instance.new("Weld", player.Character.HumanoidRootPart) |
06 | weld.Part0 = player.Character.HumanoidRootPart |
07 | weld.Part1 = part |
08 | weld.C0 = CFrame.new(0, -5, 0) |
09 | end) |
10 |
11 | while true do |
12 | part.CFrame = part.CFrame * CFrame.fromEulerAnglesXYZ(.002,.005,.009) |
13 | wait(.001) |
14 | end |
I'll be happy to answer any questions or concerns regarding these methods.
EDIT: Comment, to call the player in the server, you need to activate a touch-based detectable event (usu. w/ ClickDetectors or .Touched)
Server Variant of lookVector
01 | local part = script.Parent |
02 |
03 | part.Touched:Connect(function(hit) |
04 | if hit.Parent:FindFirstChild("Humanoid") ~= nil then |
05 | local character = hit.Parent |
06 | character:SetPrimaryPartCFrame(character.HumanoidRootPart.CFrame + (part.CFrame.LookVector * Vector3.new(0.05, 0, 0))) |
07 | end |
08 | end) |
09 |
10 | while true do |
11 | part.CFrame = part.CFrame * CFrame.fromEulerAnglesXYZ(.002,.005,.009) |
12 | wait(.001) |
13 | end |
However, since this doesn't work as smoothly as the Local Variant I suggest using the first code listed above instead (placed in a LocalScript under StarterGui)
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