54 lines
1.6 KiB
C#
54 lines
1.6 KiB
C#
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// From "Unity Editor Window Zooming" by Martin Ecker.
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// http://martinecker.com/martincodes/unity-editor-window-zooming/
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using UnityEngine;
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namespace PixelCrushers
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{
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// Helper Rect extension methods
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public static class RectExtensions
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{
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public static Vector2 TopLeft(this Rect rect)
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{
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return new Vector2(rect.xMin, rect.yMin);
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}
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public static Rect ScaleSizeBy(this Rect rect, float scale)
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{
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return rect.ScaleSizeBy(scale, rect.center);
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}
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public static Rect ScaleSizeBy(this Rect rect, float scale, Vector2 pivotPoint)
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{
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Rect result = rect;
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result.x -= pivotPoint.x;
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result.y -= pivotPoint.y;
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result.xMin *= scale;
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result.xMax *= scale;
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result.yMin *= scale;
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result.yMax *= scale;
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result.x += pivotPoint.x;
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result.y += pivotPoint.y;
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return result;
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}
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public static Rect ScaleSizeBy(this Rect rect, Vector2 scale)
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{
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return rect.ScaleSizeBy(scale, rect.center);
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}
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public static Rect ScaleSizeBy(this Rect rect, Vector2 scale, Vector2 pivotPoint)
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{
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Rect result = rect;
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result.x -= pivotPoint.x;
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result.y -= pivotPoint.y;
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result.xMin *= scale.x;
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result.xMax *= scale.x;
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result.yMin *= scale.y;
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result.yMax *= scale.y;
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result.x += pivotPoint.x;
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result.y += pivotPoint.y;
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return result;
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}
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}
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}
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