collada.scene.LookAtTransform¶
- class collada.scene.LookAtTransform(eye, interest, upvector, xmlnode=None)¶
Contains a transformation for aiming a camera as defined in the collada <lookat> tag.
- __init__(eye, interest, upvector, xmlnode=None)¶
Creates a lookat transformation
- Parameters:
eye (numpy.array) – An unshaped numpy array of floats of length 3 containing the position of the eye
interest (numpy.array) – An unshaped numpy array of floats of length 3 containing the point of interest
upvector (numpy.array) – An unshaped numpy array of floats of length 3 containing the up-axis direction
xmlnode – When loaded, the xmlnode it comes from
Methods
__init__
(eye, interest, upvector[, xmlnode])Creates a lookat transformation
load
(collada, node)Load and return a class instance from an XML node.
save
()Put all the data to the internal xml node (xmlnode) so it can be serialized.
Attributes
xmlnode
ElementTree representation of the transform.
eye
A numpy array of length 3 containing the position of the eye
interest
A numpy array of length 3 containing the point of interest
upvector
A numpy array of length 3 containing the up-axis direction
matrix
The resulting transformation matrix.