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    Datatypes

    Edit

    Quaternion

    A Quaternion represents rotation and direction in 3D space, consisting of x, y, z, and w components. They are crucial for 3D movement and rotation, offering advantages such as avoiding gimbal lock.

    Properties

    Returns the rotation of a Quaternion in Euler angles representation. Usually used for debugging and visualizing rotations.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    local euler = quaternion.eulerAngles
    
    print(euler) -- (0, 0, 0)
    

    Returns a normalized copy of the Quaternion. Useful for ensuring the Quaternion has a magnitude of 1.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    local normalized = quaternion.normalized
    
    print(normalized) -- (0, 0, 0, 1)
    

    x

    number

    Represents the x component of the Quaternion. It is the imaginary part of the Quaternion.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    print(quaternion.x) -- 0
    

    y

    number

    Represents the y component of the Quaternion. It is the imaginary part of the Quaternion.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    print(quaternion.y) -- 0
    

    z

    number

    Represents the z component of the Quaternion.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    print(quaternion.z) -- 0
    

    w

    number

    Represents the w (scalar) component of the Quaternion.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    print(quaternion.w) -- 1
    

    Represents a Quaternion for no rotation.

    kEpsilon

    number

    Represents a small number greater than zero for comparison.

    local epsilon = Quaternion.kEpsilon
    print(epsilon) -- 1e-6
    

    Methods

    Checks if two Quaternions or objects are equal.

    local a = Quaternion.new(0, 0, 0, 1)
    local b = Quaternion.new(0, 0, 0, 1)
    
    local equal = a:Equals(b)
    print(equal) -- true
    

    Parameters

    The Quaternion to compare with.

    Returns

    boolean

    Returns true if the Quaternions are equal.

    Assigns new values to the Quaternion's components.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    quaternion:Set(1, 1, 1, 1)
    

    Parameters

    newX

    number

    The new x component.

    newY

    number

    The new y component.

    newZ

    number

    The new z component.

    newW

    number

    The new w component.

    Returns

    void

    Aligns the Quaternion's z-axis towards a target direction.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    local target = Vector3.new(0, 0, 1)
    
    quaternion:SetLookRotation(target)
    

    Parameters

    The target direction vector.

    Returns

    void

    Sets the Quaternion to rotate from one direction to another.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    local from = Vector3.new(0, 0, 0)
    local to = Vector3.new(0, 0, 1)
    
    quaternion:SetFromToRotation(from, to)
    

    Parameters

    fromDirection
    Vector3

    The vector to rotate from.

    toDirection
    Vector3

    The vector to rotate to.

    Returns

    void

    Modifies the quaternion to a unit length version of itself.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    quaternion:Normalize()
    

    Returns

    void

    Creates a Quaternion that rotates from one direction to another.

    local from = Vector3.new(0, 0, 0)
    local to = Vector3.new(0, 0, 1)
    
    local quaternion = Quaternion.FromToRotation(from, to)
    

    Parameters

    fromDirection
    Vector3

    The vector to rotate from.

    toDirection
    Vector3

    The vector to rotate to.

    Returns

    Quaternion

    A rotation from fromDirection to toDirection.

    Returns the inverse of the Quaternion.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    local inverse = Quaternion.Inverse(quaternion)
    

    Parameters

    rotation
    Quaternion

    The rotation to inverse.

    Returns

    Quaternion

    The inverse rotation.

    Gradually changes a Quaternion from one rotation to another.

    local a = Quaternion.new(0, 0, 0, 1)
    local b = Quaternion.new(0, 0, 1, 0)
    local t = 0.5
    
    local slerp = Quaternion.Slerp(a, b, t)
    

    Parameters

    The starting rotation.

    The end rotation.

    t

    number

    The amount to interpolate.

    Returns

    Quaternion

    An interpolated quaternion rotation.

    Interpolates a Quaternion over an arbitrary range.

    local a = Quaternion.new(0, 0, 0, 1)
    local b = Quaternion.new(0, 0, 1, 0)
    local t = 0.5
    
    local slerp = Quaternion.SlerpUnclamped(a, b, t)
    

    Parameters

    The starting rotation.

    The end rotation.

    t

    number

    The unclamped interpolation amount.

    Returns

    Quaternion

    An interpolated quaternion rotation.

    Linearly interpolates between two quaternions.

    local a = Quaternion.new(0, 0, 0, 1)
    local b = Quaternion.new(0, 0, 1, 0)
    local t = 0.5
    
    local lerp = Quaternion.Lerp(a, b, t)
    

    Parameters

    The starting rotation.

    The end rotation.

    t

    number

    The amount to interpolate.

    Returns

    Quaternion

    An interpolated quaternion rotation.

    The 'LerpUnclamped' method is similar to Lerp, but here the interpolation factor isn't clamped to the range [0, 1].

    local a = Quaternion.new(0, 0, 0, 1)
    local b = Quaternion.new(0, 0, 1, 0)
    local t = 0.5
    
    local lerp = Quaternion.LerpUnclamped(a, b, t)
    

    Parameters

    The starting rotation.

    The end rotation.

    t

    number

    The unclamped interpolation amount.

    Returns

    Quaternion

    Returns a Quaternion that is interpolated over an arbitrary range.

    Creates a Quaternion rotation around an axis by a specified angle.

    local angle = 90
    local axis = Vector3.new(0, 1, 0)
    
    local quaternion = Quaternion.AngleAxis(angle, axis)
    

    Parameters

    angle

    number

    The angle of rotation.

    The rotation axis.

    Returns

    Quaternion

    A Quaternion around the specified axis with the given angle.

    Provides a quaternion that makes an object face towards a specified direction.

    local forward = Vector3.new(0, 0, 1)
    local upwards = Vector3.new(0, 1, 0)
    
    local quaternion = Quaternion.LookRotation(forward, upwards)
    

    Parameters

    forward
    Vector3

    The direction to be faced.

    upwards
    Vector3

    The direction to be used as 'upwards'.

    Returns

    Quaternion

    A Quaternion that aligns an object's forward direction towards the specified direction.

    Multiplies two Quaternions together.

    local a = Quaternion.new(0, 0, 0, 1)
    local b = Quaternion.new(0, 0, 1, 0)
    
    local multiplied = Quaternion.Multiply(a, b)
    print(multiplied) -- (0, 0, 0, -1)
    

    Parameters

    The first Quaternion.

    The second Quaternion.

    Returns

    Quaternion

    The product of the two Quaternions.

    Calculates the dot product of two quaternions.

    local a = Quaternion.new(0, 0, 0, 1)
    local b = Quaternion.new(0, 0, 1, 0)
    
    local dot = Quaternion.Dot(a, b)
    

    Parameters

    The first quaternion.

    The second quaternion.

    Returns

    number

    The dot product of the two quaternions.

    Returns the angle in degrees between two rotations.

    local a = Quaternion.new(0, 0, 0, 1)
    local b = Quaternion.new(0, 0, 1, 0)
    
    local angle = Quaternion.Angle(a, b)
    

    Parameters

    The first rotation.

    The second rotation.

    Returns

    number

    The angle in degrees between the two rotations.

    Creates a Quaternion rotation from Euler angles.

    local x = 0
    local y = 0
    local z = 0
    
    local quaternion = Quaternion.Euler(x, y, z)
    

    Parameters

    x

    number

    The angle around the x-axis in degrees.

    y

    number

    The angle around the y-axis in degrees.

    z

    number

    The angle around the z-axis in degrees.

    Returns

    Quaternion

    A Quaternion from the Euler angles.

    Gradually changes a Quaternion towards a target rotation.

    local from = Quaternion.new(0, 0, 0, 1)
    local to = Quaternion.new(0, 0, 1, 0)
    local maxDegreesDelta = 0.5
    
    local rotated = Quaternion.RotateTowards(from, to, maxDegreesDelta)
    

    Parameters

    The current rotation.

    The target rotation.

    maxDegreesDelta

    number

    The maximum number of degrees to rotate by in each call.

    Returns

    Quaternion

    A Quaternion rotated towards the target.

    Modifies the quaternion to a unit length version of itself.

    local quaternion = Quaternion.new(0, 0, 0, 1)
    local normalized = Quaternion.Normalize(quaternion)
    

    Parameters

    The Quaternion to be normalized.

    Returns

    Quaternion

    The normalized version of the quaternion.

    Updated 3 months ago

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