max and minium rotation

[albert_mateescu]

Godot Version

4.6.2

Question

How do i make a max and minium rotation cuz i want to make a plane go 60 degrees up and 60 degrees down

Help will be appreciated

[lexpeartha]

Have you tried using a clamp function? It is used for exactly what you are asking for

[silocoder]

Check out this other post. It may help.

How do I Clamp an Angle properly

Godot Version 4.5 Question When I’m using angle_lerp() it fixes my lerping angle problems and allows the angle to go past a 360. I want to clamp my angle so I tried this ‘‘‘body_final_rotation = clamp(body_final_rotation, rotation.y - deg_to_rad(90), rotation.y + deg_to_rad(90))’’’ But this doesn’t work well because when the angle rotation.y goes past 360 the clamp clamps “body_final_rotation” to the other side. Is there any way I could make something like angle_lerp() but for clamp()? like …

[Guarapicci]

Partial attempt based on godot docs:

var plane_up_direction = plane.transform.basis.y
var global_up_direction = Vector3(0,1,0)

# William Hamilton scribbled quaternion formula on a bridge in Ireland circa 1843.
# Clifford split it into cross-product and dot-product in 1878.
# Now in 2026 you shall dot() two vectors together to find tilt angle.
var cosine_of_angle = plane_up_direction.dot(global_up_direction)
var angle = acos(cosine_of_angle)
print ("plane is ", angle, " radians tilted from global Y")

# Remember 5 lines ago when i mentioned Quaternions? You'll have to use them.
var plane_rotation_quaternion = Quaternion(plane.transform.basis)
#plane_rotation_quaternion.set_rotation = math.clampf(plane_rotation_quaternion.get_angle(), deg_to_rad(-60), deg_to_rad(60) )
# ... and i don't know how to set exact quaternion angles.
plane.transform = Transform(Basis(plane_rotation_quaternion))

It’s missing the part where you set the quaternion’s angle. godot does not have built-in Quaternion.set_angle() and i don’t know the internals of quaternion math…

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