void kore::Camera::rotateViewQuat(const float angle, const glm::vec3 v3Axis) {
glm::vec3 v3View = getForward();
glm::vec3 v3Up(0.0f, 1.0f, 0.0f);
glm::quat quatView(0, v3View);
glm::quat quatViewResult = glm::rotate(quatView, angle, v3Axis);
v3View.x = quatViewResult.x;
v3View.y = quatViewResult.y;
v3View.z = quatViewResult.z;
v3View = glm::normalize(v3View);
glm::vec3 v3Side = glm::cross(v3Up, v3View);
v3Side = glm::normalize(v3Side);
v3Up = glm::cross(v3View, v3Side);
v3Up = glm::normalize(v3Up);
setOrientation(v3Side, v3Up, v3View);
}
/*!
*
* @param angle
* @param axis
*/
void Camera::RotateByQuat(const float angle, const glm::vec3 axis)
{
glm::vec3 view = GetLookAt();
glm::vec3 up(0.0f, 1.0f, 0.0f);
glm::quat quatView(0, view);
glm::quat quatViewResult = glm::rotate(quatView, angle, axis);
view.x = quatViewResult.x;
view.y = quatViewResult.y;
view.z = quatViewResult.z;
view = glm::normalize(view);
glm::vec3 side = glm::cross(up, view);
side = glm::normalize(side);
up = glm::cross(view, side);
up = glm::normalize(up);
SetOrientation(side, up, view);
}
