Never useNearest on distorted vector skins

src/Drawable.js

@@ -431,6 +431,11 @@ class Drawable {
             return true;
         }
 
+        // If the effect bits for mosaic, pixelate, whirl, or fisheye are set, use linear
+        if (this._effectBits & 0b0011110) {
+            return false;
+        }
+
         // We can't use nearest neighbor unless we are a multiple of 90 rotation
         if (this._direction % 90 !== 0) {
             return false;