Transforms a distance vector by the rotation and scale of a transform.
Signature
transform-distance
transform
dx
dy
=>
dx2
dy2
Arguments
transform
A transform
dx
A real number
dy
A real number
Values
dx2
A real number
dy2
A real number
Description
The
transform-distance
function transforms the distance (
dx dy
) by the rotation and scale in the
transform
. The translation in the transform is ignored. Transformed (
dx dy
) is returned as two values.