Code-Snippets.md

@@ -1,5 +1,5 @@
 ```csharp
-  public static class Geometry {
+public static class Geometry {
   public static bool PointInCone(
   float visionRangeSq, float fovCos, Vector2 eyePos, Vector2 direction, Vector2 test) {
     Vector2 delta = Vector2.Subtract(test, eyePos);
@@ -9,5 +9,13 @@
     float dot = Vector2.Dot(Vector2.Normalize(direction), Vector2.Normalize(delta));
     return dot > fovCos;
   }
-  }
+}
+```
+
+```csharp
+// Make a 1x1 white texture:
+Texture2D whiteTexture = new Texture2D(GraphicsDevice, 1, 1);
+whiteTexture.SetData(new Color[] { Color.White });
+// When done with it:
+whiteTexture.Dispose();
 ```