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--- csharp:zoom [2022/12/06 04:39]
superuser
+++ csharp:zoom [2022/12/06 04:41] (current)
superuser
@@ Line 1: / Line 1: @@
 # С использованием матриц
 <code:csharp>
-TransformationMatrix *= Matrix.CreateTranslation(-_lastMousePosition.X, -_lastMousePosition.Y, 0);
+TransformationMatrix = TransformationMatrix
-            if (e.Delta > 0)
+                * Matrix.CreateTranslation(-_lastMousePosition.X, -_lastMousePosition.Y, 0)
-            {
+                * Matrix.CreateScale((e.Delta > 0) ? 0.9f : (1f / 0.9f))
-                TransformationMatrix *= Matrix.CreateScale(0.9f);
+                * Matrix.CreateTranslation(_lastMousePosition.X, _lastMousePosition.Y, 0);
-            }
-            else
-            {
-                TransformationMatrix *= Matrix.CreateScale(1f/0.9f);
-            }
-            TransformationMatrix *= Matrix.CreateTranslation(_lastMousePosition.X, _lastMousePosition.Y, 0);
 </code>
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