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ulusoyca/calculate_hero_opacity.dart

Last active January 23, 2022 21:26
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CalculateHeroopacity
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calculate_hero_opacity.dart
/// Calculate opacity
final _opacityStart = 1.0;
final _opacityEnd = 0.0;
double opacity = _calculatePropertyValue(
currentScrollPosition: currentScrollPosition,
startPointInPx: (heroImageHeight / 2) - topBarHeight,
endPointInPx: heroImageHeight - topBarHeight,
lowerLimit: _opacityEnd,
upperLimit: _opacityStart,
);
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