Fixed default value

src/Materials/Textures/babylon.texture.js

@@ -16,7 +16,7 @@ var BABYLON;
         function Texture(url, scene, noMipmap, invertY, samplingMode, onLoad, onError, buffer, deleteBuffer) {
             var _this = this;
             if (noMipmap === void 0) { noMipmap = false; }
-            if (invertY === void 0) { invertY = false; }
+            if (invertY === void 0) { invertY = true; }
             if (samplingMode === void 0) { samplingMode = Texture.TRILINEAR_SAMPLINGMODE; }
             if (onLoad === void 0) { onLoad = null; }
             if (onError === void 0) { onError = null; }

src/Materials/Textures/babylon.texture.ts

@@ -72,7 +72,7 @@
         private _delayedOnError: () => void;
         private _onLoadObservarble: Observable<boolean>;
 
-        constructor(url: string, scene: Scene, noMipmap: boolean = false, invertY: boolean = false, samplingMode: number = Texture.TRILINEAR_SAMPLINGMODE, onLoad: () => void = null, onError: () => void = null, buffer: any = null, deleteBuffer: boolean = false) {
+        constructor(url: string, scene: Scene, noMipmap: boolean = false, invertY: boolean = true, samplingMode: number = Texture.TRILINEAR_SAMPLINGMODE, onLoad: () => void = null, onError: () => void = null, buffer: any = null, deleteBuffer: boolean = false) {
             super(scene);
 
             this.name = url;