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Fix TexturePreview zooming

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Fix #164
This commit is contained in:
stefnotch
2021-01-28 16:13:45 +01:00
parent 50f6a01f83
commit a250a23259
1 changed files with 6 additions and 5 deletions
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11
Source/Editor/Viewport/Previews/TexturePreview.cs
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@@ -159,13 +159,14 @@ namespace FlaxEditor.Viewport.Previews
float prevScale = _viewScale;
_viewScale = Mathf.Clamp(_viewScale + delta * 0.24f, 0.001f, 20.0f);
// Move view to make use of the control much more soother
//float coeff = (prevScale + (_viewScale - prevScale)) / prevScale;
//_viewPos += (location * coeff - location) / _viewScale;
//_viewPos += location / _viewScale;
Vector2 sizeDelta = (_viewScale - prevScale) * _textureRect.Size;
// Compensate for the Rectangle.MakeScaled
Vector2 sizeDelta = (_viewScale - prevScale) * _textureRect.Size * 0.5f;
_viewPos += sizeDelta * 0.5f;
// Move to zoom position
Vector2 locationOnTexture = (location - _textureRect.Location) / _textureRect.Size;
_viewPos -= sizeDelta * locationOnTexture;
return true;
}