diff --git a/src/BitmapSkin.js b/src/BitmapSkin.js
index 3279756..0deb8af 100644
--- a/src/BitmapSkin.js
+++ b/src/BitmapSkin.js
@@ -55,9 +55,10 @@ class BitmapSkin extends Skin {
      * Set the contents of this skin to a snapshot of the provided bitmap data.
      * @param {ImageData|HTMLImageElement|HTMLCanvasElement|HTMLVideoElement} bitmapData - new contents for this skin.
      * @param {int} [costumeResolution=1] - The resolution to use for this bitmap.
-     * @param {bool} [calculateRotationCenter=false] - Set the rotation center to the bitmap center
+     * @param {number[]=} rotationCenter - Optional rotation center for the bitmap. If not supplied, it will be
+     * calculated from the bounding box
      */
-    setBitmap (bitmapData, costumeResolution, calculateRotationCenter) {
+    setBitmap (bitmapData, costumeResolution, rotationCenter) {
         const gl = this._renderer.gl;
 
         if (this._texture) {
@@ -79,7 +80,8 @@ class BitmapSkin extends Skin {
         this._costumeResolution = costumeResolution || 1;
         this._textureSize = BitmapSkin._getBitmapSize(bitmapData);
 
-        if (calculateRotationCenter) this.setRotationCenter.apply(this, this.calculateRotationCenter());
+        if (typeof rotationCenter === 'undefined') rotationCenter = this.calculateRotationCenter();
+        this.setRotationCenter.apply(this, rotationCenter);
 
         this.emit(Skin.Events.WasAltered);
     }
diff --git a/src/RenderWebGL.js b/src/RenderWebGL.js
index bc38295..36db209 100644
--- a/src/RenderWebGL.js
+++ b/src/RenderWebGL.js
@@ -140,11 +140,12 @@ class RenderWebGL {
      * Use `createBitmapSkin` or `createSVGSkin` instead.
      * @param {!string} skinUrl The URL of the skin.
      * @param {!int} [costumeResolution] Optional: resolution for the skin. Ignored unless creating a new Bitmap skin.
-     * @param {!boolean} [calculateRotationCenter] Optional: set the rotation center of the skin to the box center
+     * @param {number[]=} rotationCenter Optional: rotation center of the skin. If not supplied, the center of the skin
+     * will be used.
      * @returns {!int} The ID of the Skin.
      * @deprecated
      */
-    createSkinFromURL (skinUrl, costumeResolution, calculateRotationCenter) {
+    createSkinFromURL (skinUrl, costumeResolution, rotationCenter) {
         if (this._skinUrlMap.hasOwnProperty(skinUrl)) {
             const existingId = this._skinUrlMap[skinUrl];
 
@@ -180,7 +181,7 @@ class RenderWebGL {
                 url: skinUrl
             }, (err, response, body) => {
                 if (!err) {
-                    newSkin.setSVG(body, calculateRotationCenter);
+                    newSkin.setSVG(body, rotationCenter);
                 }
             });
         } else {
@@ -188,7 +189,7 @@ class RenderWebGL {
             const img = new Image();
             img.crossOrigin = 'anonymous';
             img.onload = () => {
-                newSkin.setBitmap(img, costumeResolution, calculateRotationCenter);
+                newSkin.setBitmap(img, costumeResolution, rotationCenter);
             };
             img.src = skinUrl;
         }
@@ -679,13 +680,8 @@ class RenderWebGL {
         }
         // TODO: remove this after fully deprecating URL-based skin paths
         if ('skin' in properties) {
-            const {skin, costumeResolution} = properties;
-            const skinId = this.createSkinFromURL(
-                skin,
-                costumeResolution,
-                // If no rotationCenter, calculate one
-                !('rotationCenter' in properties)
-            );
+            const {skin, costumeResolution, rotationCenter} = properties;
+            const skinId = this.createSkinFromURL(skin, costumeResolution, rotationCenter);
             drawable.skin = this._allSkins[skinId];
         }
         if ('skinId' in properties) {
diff --git a/src/SVGSkin.js b/src/SVGSkin.js
index 8272c36..3ef4cd6 100644
--- a/src/SVGSkin.js
+++ b/src/SVGSkin.js
@@ -53,9 +53,10 @@ class SVGSkin extends Skin {
     /**
      * Set the contents of this skin to a snapshot of the provided SVG data.
      * @param {string} svgData - new SVG to use.
-     * @param {bool} [calculateRotationCenter=false] set the rotation center to the SVG center
+     * @param {number[]=} rotationCenter - Optional rotation center for the SVG. If not supplied, it will be
+     * calculated from the bounding box
      */
-    setSVG (svgData, calculateRotationCenter) {
+    setSVG (svgData, rotationCenter) {
         this._svgRenderer.fromString(svgData, () => {
             const gl = this._renderer.gl;
             if (this._texture) {
@@ -72,7 +73,8 @@ class SVGSkin extends Skin {
 
                 this._texture = twgl.createTexture(gl, textureOptions);
             }
-            if (calculateRotationCenter) this.setRotationCenter.apply(this, this.calculateRotationCenter());
+            if (typeof rotationCenter === 'undefined') rotationCenter = this.calculateRotationCenter();
+            this.setRotationCenter.apply(this, rotationCenter);
             this.emit(Skin.Events.WasAltered);
         });
     }