/** Redraws the sky shading gradient using the model's current time. */
protected void redraw() {
Date modelTime = model.getTime();
if (Math.abs(modelTime.getTime() - lastUpdateTimeMs) > UPDATE_FREQUENCY_MS) {
lastUpdateTimeMs = modelTime.getTime();
RaDec sunPosition = SolarPositionCalculator.getSolarPosition(modelTime);
// Log.d(TAG, "Enabling sky gradient with sun position " + sunPosition);
rendererLock.lock();
try {
renderer.queueEnableSkyGradient(GeocentricCoordinates.getInstance(sunPosition));
} finally {
rendererLock.unlock();
}
}
}
