How can I “rotate” a Vector3, for example I have a Vector3 (1, 0, 2) and rotate 90 degrees to get something like (2, 0, -1)?
If you’re trying to rotate a vector or vector3 (not of a basepart) you can’t but you can do it with baseparts (basepart vector).
local Part = script.Parent Part.Rotation = Vector3.new(0,90,0) -- It is already in degrees.
Assuming you have Vector3(1,0,2):
local Part = script.Parent Part.Rotation = Vector3.new(0,0,0) + Vector3.new(0,90,0) -- It is already degrees
How do I use the function? What are v, axis, and amount?
Use sin and cos
depending on what axis you want to rotate it you need to slightly change the formula
around the Z axis:
x = x * cos(angle) - y * sin(angle)
y = x * sin(angle) + y * cos(angle)
z = z
around Y axis:
x = x * cos(angle) - z * sin(angle)
y = y
z = x * sin(angle) + z * cos(angle)
around X axis:
x = x
y = -y * cos(angle) + z * sin(angle)
z = y * sin(angle) + z * cos(angle)
Out of curiosity why do you need to rotate the Vector3? There might be some functions roblox already has that might be able to either simplify or solve the problem.
I want a script to manipulate structures (Like create or move them) and work in any direction.
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