/// This should still be called via ProtoApp::onAnimate(dt) if overridden
virtual void onAnimate(double dt){
lens().fovy(cnFOV.getValue());
}
double gainFactor() const { float v=cnGain.getValue(); return v*v; }
double scaleFactor() const { return ::pow(2., cnScale.getValue()); }
/// This should still be called via ProtoApp::onAnimate(dt) if overridden
virtual void onAnimate(double dt) {
lens()
.near(cnNear.getValue())
.far(cnFar.getValue())
.fovy(cnFOV.getValue());
}