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Code Issues Releases Activity

dead area for zoom

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This commit is contained in:
Michael
2023-08-27 14:00:40 +02:00
committed by GitHub
parent 3b06abd0d7
commit f16b93c391
2 changed files with 15 additions and 4 deletions
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13
client/mapView/MapViewController.cpp
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@@ -90,13 +90,13 @@ void MapViewController::modifyTileSize(int stepsChange)
// we want to zoom in/out in fixed 10% steps, to allow player to return back to exactly 100% zoom just by scrolling
// so, zooming in for 5 steps will put game at 1.1^5 = 1.61 scale
// try to determine current zooming level and change it by requested number of steps
double currentZoomFactor = model->getSingleTileSize().x / 32.0;
double currentZoomFactor = targetTileSize.x / static_cast<double>(defaultTileSize);
double currentZoomSteps = std::round(std::log(currentZoomFactor) / std::log(1.01));
double newZoomSteps = stepsChange != 0 ? currentZoomSteps + stepsChange : stepsChange;
double newZoomFactor = std::pow(1.01, newZoomSteps);
Point currentZoom = model->getSingleTileSize();
Point desiredZoom = Point(32,32) * newZoomFactor;
Point currentZoom = targetTileSize;
Point desiredZoom = Point(defaultTileSize,defaultTileSize) * newZoomFactor;
if (desiredZoom == currentZoom && stepsChange < 0)
desiredZoom -= Point(1,1);
@@ -112,7 +112,14 @@ void MapViewController::modifyTileSize(int stepsChange)
};
if (actualZoom != currentZoom)
{
targetTileSize = actualZoom;
if(actualZoom.x >= defaultTileSize - zoomTileDeadArea && actualZoom.x <= defaultTileSize + zoomTileDeadArea)
actualZoom.x = defaultTileSize;
if(actualZoom.y >= defaultTileSize - zoomTileDeadArea && actualZoom.y <= defaultTileSize + zoomTileDeadArea)
actualZoom.y = defaultTileSize;
setTileSize(actualZoom);
}
}
MapViewController::MapViewController(std::shared_ptr<MapViewModel> model, std::shared_ptr<MapViewCache> view)