void CameraLensShiftTestApp::setup()
{
CameraPersp cam( getWindowWidth() * 0.5f, getWindowHeight(), 40.0f, 0.1f, 1000.0f );
cam.setEyePoint( Vec3f(-50.0f, 0.0f, 0.0f) );
cam.setCenterOfInterestPoint( Vec3f::zero() );
mOverview.setCurrentCam(cam);
// set camera to size of half the window
mCamera = CameraPersp( getWindowWidth() * 0.5f, getWindowHeight(), 40.0f, 2.5f, 20.0f );
mCamera.setEyePoint( Vec3f(0.0f, 0.0f, -15.0f) );
mCamera.setCenterOfInterestPoint( Vec3f::zero() );
//
mFont = Font("Tahoma", 18);
mLensShift = mCamera.getLensShift();
}
void CameraLensShiftTestApp::update()
{
// gradually shift to desired value
Vec2f shift = mCamera.getLensShift();
mCamera.setLensShift( shift + 0.1f * (mLensShift - shift) );
}