Added Looping Items.

Resolves

N/A

Proposed Changes

It adds a “Loop Items” option to the Directional Scroll Snap that causes items to appear to be in a loop.

Reason for Changes

Looping is an important feature.

Test Coverage

• Updated tests to handle the new m_Items data structure (linked list)

• Added a GetMaxItemSpacing test file.

  • Horizontal Test

  • Vertical Test

Hand Testing:

1. Added a Scroll Snap.

2. Set Loop to true.

3. Set it to Vertical.

4. Added 3 items, spaced with a vertical margin of 100.

5. Set the End Margin to 100.

• Tested Dragging Towards End Items, Vertical (pass)

• Tested Dragging Towards Start Items, Vertical (pass)

• Tested Fling Towards End Items, Vertical (pass)

• Tested Flinging Towards Start Items, Vertical (pass)

1. Added a Scroll Snap.

2. Set Loop to true.

3. Set it to Horizontal.

4. Added 3 items, spaced with a horizontal margin of 100.

5. Set the End Margin to 100.

• Tested Dragging Towards End Items, Horizontal (pass)

• Tested Dragging Towards Start Items, Horizontal (pass)

• Tested Fling Towards End Items, Horizontal (pass)

• Tested Flinging Towards Start Items, Horizontal (pass)

1. Added a Scroll Snap.

2. Set Loop to true.

3. Set it to Vertical.

4. Added 1 item.

5. Set the End Margin to 200 (height of the scroll snap).

• Tested Dragging Towards the End, Vertical (pass)

• Tested Dragging Towards the Start, Vertical (pass)

• Tested Fling Towards the End, Vertical (pass)

• Tested Flinging Towards the Start, Vertical (pass)

1. Added a Scroll Snap.

2. Set Loop to true.

3. Set it to Horizontal.

4. Added 1 item.

5. Set the End Margin to 200 (width of the scroll snap).

• Tested Dragging Towards the End, Horizontal (pass)

• Tested Dragging Towards the Start, Horizontal (pass)

• Tested Fling Towards the End, Horizontal (pass)

• Tested Flinging Towards the Start, Horizontal (pass)

Additional Information

N/A