console.log("old canvas height: " + old_canvas_height);
console.log("new canvas width: " + this.canvasEl.width);
console.log("new canvas height: " + this.canvasEl.height);
+
+ console.log("old center left: " + old_center_left);
+ console.log("old center top: " + old_center_top);
+ console.log("new center left: " + old_center_left);
+ console.log("new center top: " + new_center_top);
console.log("left diff: " + left_diff);
console.log("top diff: " + top_diff);