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When zooming using the mousewheel, zoom towards the pointer location.

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This commit is contained in:
Andre Mohren
2020-07-14 17:17:05 +02:00
committed by Oliver Brakmann
parent b417b267dd
commit 914950c4a5
3 changed files with 10 additions and 2 deletions
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8
OpenRA.Game/Graphics/Viewport.cs
View File

@@ -97,6 +97,14 @@ namespace OpenRA.Graphics
Zoom = (zoom * (float)Math.Exp(dz)).Clamp(unlockMinZoom ? unlockedMinZoom : minZoom, maxZoom);
}
public void AdjustZoom(float dz, int2 center)
{
var oldCenter = worldRenderer.Viewport.ViewToWorldPx(center);
AdjustZoom(dz);
var newCenter = worldRenderer.Viewport.ViewToWorldPx(center);
CenterLocation += oldCenter - newCenter;
}
public void ToggleZoom()
{
// Unlocked zooms always reset to the default zoom

2
OpenRA.Mods.Common/Widgets/EditorViewportControllerWidget.cs
View File

@@ -87,7 +87,7 @@ namespace OpenRA.Mods.Common.Widgets
{
if (mi.Event == MouseInputEvent.Scroll && mi.Modifiers.HasModifier(Game.Settings.Game.ZoomModifier))
{
worldRenderer.Viewport.AdjustZoom(mi.Delta.Y * Game.Settings.Game.ZoomSpeed);
worldRenderer.Viewport.AdjustZoom(mi.Delta.Y * Game.Settings.Game.ZoomSpeed, mi.Location);
return true;
}

2
OpenRA.Mods.Common/Widgets/ViewportControllerWidget.cs
View File

@@ -315,7 +315,7 @@ namespace OpenRA.Mods.Common.Widgets
{
if (mi.Event == MouseInputEvent.Scroll && mi.Modifiers.HasModifier(Game.Settings.Game.ZoomModifier))
{
worldRenderer.Viewport.AdjustZoom(mi.Delta.Y * Game.Settings.Game.ZoomSpeed);
worldRenderer.Viewport.AdjustZoom(mi.Delta.Y * Game.Settings.Game.ZoomSpeed, mi.Location);
return true;
}