Starting from 2021-07-01, all LRZ GitLab users will be required to explicitly accept the GitLab Terms of Service. Please see the detailed information at https://doku.lrz.de/display/PUBLIC/GitLab and make sure that your projects conform to the requirements.

Commit b7b7573d authored by Christian Schulte zu Berge's avatar Christian Schulte zu Berge
Browse files

Added some functionality to cgt::Matrix4<T>:

* Introducing cgt::Matrix4<T>::getXYZRotation() (one method for each X, Y, Z)
* Introducing cgt::Matrix4<T>::getTranslationPart()
parent fb202e6b
......@@ -508,6 +508,26 @@ struct Matrix4 {
return result;
}
/// Returns a vector representing the result when applying the matrix' rotation to a x unit vector.
/// (This is equivalent to the first column vector of this matrix)
Vector3<T> getXRotation() const {
return Vector3<T>(t00, t10, t20);
}
/// Returns a vector representing the result when applying the matrix' rotation to a y unit vector.
/// (This is equivalent to the second column vector of this matrix)
Vector3<T> getYRotation() const {
return Vector3<T>(t01, t11, t21);
}
/// Returns a vector representing the result when applying the matrix' rotation to a z unit vector.
/// (This is equivalent to the third column vector of this matrix)
Vector3<T> getZRotation() const {
return Vector3<T>(t02, t12, t22);
}
/// Returns a vector representing the scaling applied to unit vectors by this matrix.
Vector3<T> getScalingPart() const {
Vector3<T> result(T(0));
......@@ -516,7 +536,13 @@ struct Matrix4 {
result.elem[2] = length(Vector3<T>(t02, t12, t22));
return result;
}
/*
/// Returns a vector representing the translational part of this matrix.
Vector3<T> getTranslationPart() const {
return Vector3<T>(t03, t13, t23);
}
/*
create special matrices
*/
static const Matrix4<T> zero;
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment