AnimPose::AnimPose(const glm::mat4& mat) {
scale = extractScale(mat);
// quat_cast doesn't work so well with scaled matrices, so cancel it out.
glm::mat4 tmp = glm::scale(mat, 1.0f / scale);
rot = glm::normalize(glm::quat_cast(tmp));
trans = extractTranslation(mat);
}
float extractUniformScale(const glm::mat4& matrix) {
return extractUniformScale(extractScale(matrix));
}
glm::quat glmExtractRotation(const glm::mat4& matrix) {
glm::vec3 scale = extractScale(matrix);
// quat_cast doesn't work so well with scaled matrices, so cancel it out.
glm::mat4 tmp = glm::scale(matrix, 1.0f / scale);
return glm::normalize(glm::quat_cast(tmp));
}
AnimPose::AnimPose(const glm::mat4& mat) {
scale = extractScale(mat);
rot = glm::normalize(glm::quat_cast(mat));
trans = extractTranslation(mat);
}
