21 lines
671 B
Markdown
21 lines
671 B
Markdown
|
# RectMask2D
|
||
|
|
|
||
|
|
A **RectMask2D** is a masking control similar to the **Mask** control. The mask restricts the child elements to the rectangle of the parent element. Unlike the standard Mask control it has some limitations, but it also has a number of performance benefits.
|
||
|
|
|
||
|
|
|
||
|
|
## Description
|
||
|
|
|
||
|
|
A common use of a RectMask2D is to show small sections of a larger area. Using the RectMask2D to frame this area.
|
||
|
|
|
||
|
|
The limitations of RectMask2D control are:
|
||
|
|
|
||
|
|
- It only works in 2D space
|
||
|
|
- It will not properly mask elements that are not coplanar
|
||
|
|
|
||
|
|
The advantages of RectMask2D are:
|
||
|
|
|
||
|
|
- It does not use the stencil buffer
|
||
|
|
- No extra draw calls
|
||
|
|
- No material changes
|
||
|
|
- Fast performance
|