UE5框选提示UI与目标对齐

关键功能

1. Slot as Canvas Slot-> Set Position
2. Get Cached Geometry
   • Local to Absolute
   • Absolute to Local

思路

1. 获取目标UI组件的绝对坐标 Widget->Get Cached Geometry->Local to Absolute
2. 把绝对坐标转换为CanvasPanel下的坐标CanvasPanel->Get Cached Geometry->Absolute to Local
   其中Local to Absolute的Local Coordinate 参数，00为左上角，DesireSize/2为中心点。根据要调整位置的UI组件的定位方式选择