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avoid some edge cases

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Michael 2023-08-26 23:25:46 +02:00 committed by GitHub
parent a354a7f696
commit 6b71820197
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1 changed files with 10 additions and 3 deletions
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11
client/mapView/MapView.cpp
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@ -134,10 +134,17 @@ void MapView::postSwipe(uint32_t msPassed) {
if(swipeHistory.size() > 1) if(swipeHistory.size() > 1)
{ {
Point diff = Point(0, 0); Point diff = Point(0, 0);
for (auto & x : swipeHistory) std::pair<uint32_t, Point> firstAccepted;
uint32_t now = GH.input().getTicks();
for (auto & x : swipeHistory) {
if(now - x.first < 150) { // only the last 150 ms are catched
if(firstAccepted.first == 0)
firstAccepted = x;
diff += x.second; diff += x.second;
}
}
uint32_t timediff = swipeHistory.rbegin()->first - swipeHistory.begin()->first; uint32_t timediff = swipeHistory.rbegin()->first - firstAccepted.first;
postSwipeAngle = diff.angle(); postSwipeAngle = diff.angle();
postSwipeSpeed = static_cast<double>(diff.length()) / static_cast<double>(timediff); // unit: pixel/millisecond postSwipeSpeed = static_cast<double>(diff.length()) / static_cast<double>(timediff); // unit: pixel/millisecond