void Navigation::rotate(
float hAngle
, float vAngle)
{
static const QVector3D up(0.0, 1.0, 0.0);
m_rotationHappened = true;
const QVector3D ray((m_camera.center() - m_eye).normalized());
const QVector3D rotAxis(QVector3D::crossProduct(ray, up));
hAngle *= ROTATION_HOR_DOF;
vAngle *= ROTATION_VER_DOF;
enforceRotationConstraints(hAngle, vAngle);
QVector3D t = m_i0Valid ? m_i0 : m_center;
QMatrix4x4 transform;
transform.translate( t);
transform.rotate(hAngle, up);
transform.rotate(vAngle, rotAxis);
transform.translate(-t);
m_camera.setEye(transform * m_eye);
m_camera.setCenter(transform * m_center);
m_camera.update();
}
void WorldInHandNavigation::rotate(
float hAngle
, float vAngle)
{
m_rotationHappened = true;
const glm::vec3 ray(glm::normalize(m_cameraCapability.center() - m_eye));
const glm::vec3 rotAxis(glm::cross(ray, m_cameraCapability.up()));
hAngle *= ROTATION_HOR_DOF;
vAngle *= ROTATION_VER_DOF;
enforceRotationConstraints(hAngle, vAngle);
glm::vec3 t = m_refPositionValid ? m_referencePosition : m_center;;
glm::mat4x4 transform = glm::mat4x4();
transform = glm::translate(transform, t);
transform = glm::rotate(transform, hAngle, m_cameraCapability.up());
transform = glm::rotate(transform, vAngle, rotAxis);
transform = glm::translate(transform, -t);
glm::vec4 newEye = transform * glm::vec4(m_eye, 0.0f);
glm::vec4 newCenter = transform * glm::vec4(m_center, 0.0f);
m_cameraCapability.setEye(glm::vec3(newEye));
m_cameraCapability.setCenter(glm::vec3(newCenter));
}
