detailContentOpacity static method
Detail/fullscreen content opacity. Fades in from ~0.30 to 0.60.
Implementation
static double detailContentOpacity(double progress) {
final t = progress.clamp(0.0, 1.0);
if (t < 0.30) return 0.0;
return ((t - 0.30) / 0.30).clamp(0.0, 1.0);
}