Merge pull request #6 from browngraphicslab/transforms

Transforms

1 files changed, 8 insertions, 4 deletions

diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index f4dcce7c8..337ec855a 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -78,9 +78,13 @@ export namespace DragManager {
         dragElement.style.transformOrigin = "0 0";
         dragElement.style.zIndex = "1000";
         dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`;
+        dragElement.style.width = `${rect.width / scaleX}px`;
+        dragElement.style.height = `${rect.height / scaleY}px`;
+        // It seems like the above code should be able to just be this:
+        // dragElement.style.transform = `translate(${x}px, ${y}px)`;
+        // dragElement.style.width = `${rect.width}px`;
+        // dragElement.style.height = `${rect.height}px`;
         dragDiv.appendChild(dragElement);
-        _lastPointerX = dragData["xOffset"] + rect.left;
-        _lastPointerY = dragData["yOffset"] + rect.top;
 
         let hideSource = false;
         if (typeof options.hideSource === "boolean") {
@@ -96,8 +100,8 @@ export namespace DragManager {
         const moveHandler = (e: PointerEvent) => {
             e.stopPropagation();
             e.preventDefault();
-            x += e.clientX - _lastPointerX; _lastPointerX = e.clientX;
-            y += e.clientY - _lastPointerY; _lastPointerY = e.clientY;
+            x += e.movementX;
+            y += e.movementY;
             dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`;
         };
         const upHandler = (e: PointerEvent) => {