/******************************************************************************
Project this line's start and end onto projectOnto
******************************************************************************/
void Line::GetProjection(Vector3& dir, Line& projectedVec)
{
//project start--------------------------------------//
Vector3 proj_start = vectorProjection(this->start, dir);
//project end---------------------------------------//
Vector3 proj_end = vectorProjection(this->end, dir);
projectedVec.Set(proj_start.x, proj_start.y, proj_end.x, proj_end.y);
}
void
GeneralViewer::setCutPlane( const soglu::Planef &aCutPlane )
{
getViewerState().mVolumeRenderConfig.cutPlane = aCutPlane;
glm::fvec3 point = glm::fvec3(aCutPlane.point()[0], aCutPlane.point()[1], aCutPlane.point()[2]);
glm::fvec3 normal = glm::fvec3(aCutPlane.normal()[0], aCutPlane.normal()[1], aCutPlane.normal()[2]);
glm::fvec3 dir = vectorProjection(normal, point - getCameraTargetPosition());
float offset = glm::length(dir);
if( glm::dot(dir, normal) < 0.0f ) {
offset *= -1.0f;
}
getViewerState().mVolumeRenderConfig.cutPlaneCameraTargetOffset = offset;
notifyAboutSettingsChange();
update();
}
