Rotate-About-Axis Transforms

Labels

ASCII

RotateAboutAxis

Binary

rtaa ( = 0x72746161 )

Data Format

Point3D             origin
Vector3D            orientation
Float32             radians


origin

The origin of the axis of rotation.

orientation

The orientation of the axis of rotation. This vector should be normalized.

radians

The number of radians by which an affected object is rotated.

Data Size

28

Description

A rotate-about-axis transform rotates an object about an arbitrary axis in space by a specified number of radians. The value in the origin field and the orientation vector are used to define the axis of rotation.

Parent Hierarchy

Shared, shape, transform.

Parent Objects

None.

Child Objects

None.

Example

RotateAboutAxis (
    20 0 0                  # origin
    .33 .33 .34             # orientation
    1.57                    # radians
)