fix drop shadow (playcanvas#3344)

slimbuck · web-flow · commit b84e9eb39d81 · 2021-07-19T15:54:30.000+01:00
diff --git a/src/framework/components/element/text-element.js b/src/framework/components/element/text-element.js
@@ -515,7 +515,7 @@ class TextElement {
                 this._shadowColorUniform[2] = this._shadowColor.b;
                 this._shadowColorUniform[3] = this._shadowColor.a;
                 mi.setParameter("shadow_color", this._shadowColorUniform);
-                var ratio = this._font.data.info.maps[i].width / this._font.data.info.maps[i].height;
+                var ratio = -this._font.data.info.maps[i].width / this._font.data.info.maps[i].height;
                 this._shadowOffsetUniform[0] = this._shadowOffsetScale * this._shadowOffset.x;
                 this._shadowOffsetUniform[1] = ratio * this._shadowOffsetScale * this._shadowOffset.y;
                 mi.setParameter("shadow_offset", this._shadowOffsetUniform);
@@ -1738,7 +1738,7 @@ class TextElement {
 
         if (this._font && this._model) {
             for (var i = 0, len = this._model.meshInstances.length; i < len; i++) {
-                var ratio = this._font.data.info.maps[i].width / this._font.data.info.maps[i].height;
+                var ratio = -this._font.data.info.maps[i].width / this._font.data.info.maps[i].height;
                 this._shadowOffsetUniform[0] = this._shadowOffsetScale * this._shadowOffset.x;
                 this._shadowOffsetUniform[1] = ratio * this._shadowOffsetScale * this._shadowOffset.y;
                 var mi = this._model.meshInstances[i];
